US20050207542A1 - System and method for on-demand recording - Google Patents
System and method for on-demand recording Download PDFInfo
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- US20050207542A1 US20050207542A1 US11/129,813 US12981305A US2005207542A1 US 20050207542 A1 US20050207542 A1 US 20050207542A1 US 12981305 A US12981305 A US 12981305A US 2005207542 A1 US2005207542 A1 US 2005207542A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/42221—Conversation recording systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/27—Server based end-user applications
- H04N21/274—Storing end-user multimedia data in response to end-user request, e.g. network recorder
- H04N21/2747—Remote storage of video programs received via the downstream path, e.g. from the server
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47214—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17318—Direct or substantially direct transmission and handling of requests
Definitions
- the present invention relates to a recording device for recording a stream of analog or digital data.
- the first method is “logging,” which consists of recording every transmission, from initiation until termination, regardless of the content or characteristics of the transmission. Because logging is independent of the contents and characteristics of the transmission, if a specific transmission is to be reviewed, it becomes necessary to record every transmission. Recording every transmission, however, requires a significant amount of storage space. Further, because of the number of transmissions recorded, it is difficult and time-consuming to locate a specific transmission.
- the second method of recording a transmission is “event driven” recording, which records a transmission upon the occurrence of a certain condition or event.
- the recording condition may be the start of the transmission (which is, in effect, the logging method), while in other instances the event will occur during the transmission (such as when a user presses a “record” button during the transmission).
- Other events may be time-based, such as when recording begins and ends at a specific times.
- One difficulty of an event driven recording system is properly defining the event that initiates recording. An overly broad event may record too many transmissions, while too specific of an event may not record enough.
- Another disadvantage of event driven recording is that the event may not occur, or may occur at the wrong time, resulting in not all of the content of the transmission being recorded.
- Yet another disadvantage is that if the event cannot (or does not) occur until after the initiation of transmission, then the transmission that occurs prior to the event is not recorded. Further, for communications via computer instant messengerging, a similar disadvantage occurs when the content of the conversation may “scroll off” the screen before the user can save the earlier portions of the conversation.
- the present invention provides a new and unique system and method for on-demand recording of analog and digital information.
- a connection is established on a communication device with an intermediary device.
- the information transmitted via the connection is dynamically stored. If a triggering event occurs during the connection, the information of the entire connection is saved at the conclusion of the connection, thus allowing the information to be replayed on-demand.
- a telephone call is established on a telephone with a PBX including a plurality of line cards.
- the voice information of the telephone call is duplicated dynamically at one of the line cards.
- the voice information can then be digitized and packetized.
- the voice information is output to a server connected to the PBX.
- a triggering event is activated, and the voice information of the entire telephone call is saved on the server at the conclusion of the telephone call, thus allowing the information to be replayed on-demand.
- a computer data connection is established on a computer with a network device.
- the computer data is duplicated dynamically by the network device and packetized.
- the computer data is output to a server connected to the network device.
- a triggering event is activated, and the computer data of the entire connection is saved on the server at the conclusion of the connection, thus allowing the computer data to be replayed on-demand.
- a television transmission is established on a display device with a video signal device.
- the television program is duplicated dynamically by the video signal device.
- the television program can then be digitized and packetized.
- the television program is output to a server connected to the video signal device.
- a triggering event is activated, and the television program of the entire television transmission is saved on the server at the conclusion of the television transmission, thus allowing the information to be replayed on-demand.
- FIG. 1 is an illustration of an embodiment of the invention.
- FIG. 2 is a flowchart illustrating the operation of an embodiment of the invention.
- FIG. 3 is an illustration of a voice implementation of the invention.
- FIG. 4 is an illustration of a line card, such as can be used in the voice implementation of FIG. 3 .
- FIG. 5 is a flowchart illustrating the operation of the voice implementation.
- FIG. 6 is an illustration of another embodiment of the invention implemented in a computer network.
- FIG. 7 is a flowchart illustrating the operation of the computer network implementation of FIG. 6 .
- FIG. 8 is an illustration of a television network implementation of the invention.
- FIG. 9 is a flowchart illustrating the operation of the television network implementation of FIG. 8 .
- one embodiment 10 of an on-demand recording system includes an intermediary device 12 connected to a server 20 via a network 22 .
- the intermediary device 12 includes a memory buffer 14 , such as RAM or a hard drive, a processor 16 for converting analog signals into digital signals, and a processor 18 for placing data into packets. While processor 16 and processor 18 are depicted as separate processors, it is contemplated that a single processing system, composed of one or more processors in conjunction with firmware or software, could provide equivalent functionality.
- the server 20 includes a memory buffer 24 , such as random access memory (RAM) or a hard drive, a storage device 26 , such as a compact disk (CD-ROM) drive, floppy drive, or hard drive, and a device 28 for receiving a save initiation request.
- the intermediary device 12 is connected to one or more communication devices 30 via a network 32 .
- Communication devices 30 may be capable of transmitting or receiving analog or digital signals via the network 32 .
- Also connected to network 22 are one or more playback devices 36 , such as computers, dumb terminals, televisions, telephones, or other communication devices.
- Network 22 and network 32 may be any type of wired or wireless system for transmission of signals, including, a plain old telephone switch (POTS) network, computer packet network, or television broadcast system.
- POTS plain old telephone switch
- a save initiator 34 Connected to at least one of the communication devices 30 is a save initiator 34 , which allows a user of the on-demand recording system 10 to initiate a save request. While depicted in FIG. 1 as being connected to one of the communication devices 30 , the save initiator 34 may instead (or in addition) be connected to any of the other components or may be a stand-alone component connected to network 22 or network 32 , thus allowing the initiation of the save request by someone other than a user of the communication devices 30 . Further, the save initiator 34 may be a touch pad, button, icon on a display screen, or any means or physical device to generate a save request signal.
- the on-demand recording system 10 may perform an on-demand recording method 200 .
- a connection is established between two communication devices (e.g., the communication devices. 30 of FIG. 1 or an external communication device that is not part of the on-demand recording system).
- the connection include a telephone call, a data transmission between computers, a reception of a television signal, or any connection involving the transmission of information or data.
- the connection is made through the intermediary device 12 of FIG. 1 .
- the intermediary device transmits the information to and from the communication devices.
- the information is dynamically duplicated into the memory buffer 14 as the information is communicated through the connection.
- the duplicated information is digitized at step 208 by the processor 16 (if not already in digital form).
- the digitized information can also be placed into packets. It is understood that in some embodiments, the step of digitizing the information could occur prior to duplication and packetization.
- the packets are then provided over the network 22 and received by the server 20 .
- the server 20 extracts (e.g., de-packetizes) the digitized information from the packets and stores the extracted information in the memory buffer 24 . While packets are used in the preferred embodiment, other forms of data transfer are commonly used by those skilled in the art, including, for example, frames, raw data, or tokens.
- a user of the on-demand recording system 10 may request that the information of the entire connection be saved for later retrieval by initiating a save request with the save initiator 34 (a triggering event), such as at step 214 . It should be noted, however, that the user of the on-demand system 10 does not necessarily have to be a user of a communication device 30 . If a save request signal is initiated at step 214 , execution proceeds to step 216 where the save initiator 34 transmits a save request signal for receipt by the receiver 28 . At step 218 , the connection is terminated (in some embodiments), and at step 220 , the contents of the memory buffer 24 on the server 20 is copied onto the storage device 26 . At step 222 , the saved information of the entire connection on storage device 26 is made available for playback via the playback device 36 . In this manner, regardless of when the save request is initiated during the connection, the entire connection is available for playback.
- step 224 execution proceeds to step 226 , where the contents of the memory buffer 24 on the server 20 is erased.
- the on-demand system 38 utilizes a switch 40 , which includes a series of line cards 42 .
- the switch 40 is connected to a server 44 via a network 46 .
- the server 44 includes a memory buffer 48 , storage device 50 , and a device 52 for receiving a save initiation request.
- the line cards 42 are connected to communication devices 54 via a network 58 .
- communication device 54 such as a telephone or any telephony device, may be capable of transmitting analog or digital signals
- switch 40 may be any type of switch, such as an exchanger switch, telephone switch, or a private branch exchange (PBX). Any number of telephones 54 may be connected to any number of line cards 42 .
- Also connected to the network 46 are one or more playback devices 60 for playing back recorded communications.
- a save initiator 56 is connected to a single telephone 54 . While depicted in FIG. 3 as being connected to a telephone 54 , the save initiator may instead (or in addition) be connected to any of the other components or may be a stand-alone component connected to network 46 or network 58 , thus allowing the initiation of the save request by someone other than a user of the telephone 54 . Further, the save initiator 56 may be a touch pad, button, icon on a display screen, or any means or physical device to generate a save request signal.
- each of the line cards 42 is constructed similar to a line card 42 a.
- the line card 42 a includes a plurality of conventional switching components 62 and a processor 64 that is capable of digitizing, duplicating, and/or packetizing information for transmission.
- the line card 42 a also includes a data port 66 for transferring information onto either network 58 or network 46 or both.
- the processor 64 may be connected to a power supply (not shown) of the line card 42 a.
- the line card will also include a memory 68 for storing signals that are switched through the line card.
- the on-demand recording system 38 may perform an on-demand recording method 500 .
- a connection is established between two telephones (e.g., the telephones 54 of FIG. 3 , or any telephony device or an external communication device that is not part of the on-demand recording system).
- the connection is a telephone call transmitting voice information.
- the connection is sent through a line card 42 a in the PBX 40 and the line card 42 a will transmit the voice communication to and from the telephones 54 .
- the processor 64 will dynamically duplicate the communications into memory 68 as the voice communication is transmitted via the telephone call.
- the duplicated communications if not already in digital form, are digitized by the processor 64 , and then the digitized communications will be placed into packets. It is understood that digitizing the communications could occur prior to duplication and packetization.
- the packets are output over the network 46 and received by the server 44 .
- the server 44 will extract (e.g., de-packetize) the digitized communications from the packets and store the communications in a memory buffer 48 . While packets are used in the preferred embodiment, other forms of data transfer are commonly used by those skilled in the art, including, for example, frames, raw data, or tokens.
- the user of the voice implementation of the on-demand recording system 38 may request that the information of the entire connection be saved for later retrieval by initiating a save request (a triggering event), such as at step 514 . It should be noted, however, that the user of the on-demand system does not necessarily have to be a user of a telephone 54 . If a save request signal is initiated at step 514 , execution proceeds to step 516 , where the save initiator 56 will transmit a save request signal, which will be received by the receiver 52 . At step 518 , the telephone call is terminated and execution continues to step 520 , where, the memory buffer 48 on the server 44 is copied onto the storage device 50 . At step 522 , the entire saved communication is available for playback via a playback device 60 . In this manner, regardless of when the save request is initiated during the connection, the entire communication of the connection is available for playback.
- step 524 execution proceeds to step 526 , where the memory buffer 48 on the server 44 is erased.
- a network device 70 is connected to a server 76 via a network 78 .
- the network device 70 includes a memory buffer 72 and a processor 74 for placing data into packets.
- the server 76 includes a memory buffer 80 , a storage device 82 , and a device 84 for receiving a save initiation request.
- the network device 70 is also connected to computers 86 via a network 90 , and one or more playback devices 92 are connected to the server 76 by network 78 .
- Network 78 and network 90 may be capable of transmitting analog or digital signals, and may be any type of computer or telecommunication network.
- the network device 70 may be a router, hub, personal computer, server, gateway, bridge, or any device capable of facilitating network communications, and any number of computers 86 may be connected to any number of network devices 70 .
- the computers 86 may be personal computers, personal digital assistants, or any device capable of receiving and/or transmitting signals.
- the computers 86 may also be running voice over IP software or software that allows computer messengerging communications, such as provided by America Online's Instant Messenger, Yahoo! Messenger, or MSN Messenger.
- a save initiator 88 is connected to a computer 86 . While depicted in FIG. 6 as being connected to one of the computers 86 , the save initiator 88 may instead (or in addition) be connected to any of the other components or may be a stand-alone component connected to network 78 or 90 , thus allowing the initiation of the save request by someone other than a user of a computer 86 . It is further understood that while network 78 and network 90 are depicted as distinct networks, that network 78 and network 90 could be the same network.
- the on-demand recording system 69 may perform an on-demand recording method 700 .
- a connection is established between two computers (e.g., the computers 86 of FIG. 6 or an external communication device that is not part of the on-demand recording system).
- the connection include a telephone call, a data transmission between computers, a reception of a television signal, or any connection involving the transmission of information or data.
- the data is sent through the network device 70 of FIG. 1 .
- the network device transfers information to and from the computers.
- the data is dynamically duplicated into memory 72 as the telephone call is communicated through the connection.
- the duplicated data is placed into packets for transmission across a packet network.
- the packets are output over the network 78 to the server 76 .
- the server 76 will extract (e.g., de-packetize) the data from the packets and store the data in the memory buffer 80 . While packets are used in the preferred embodiment, other forms of data transfer are commonly used by those skilled in the art, including, for example, frames, raw data, or tokens.
- the user of the on-demand recording system 69 may request that the data be saved for later retrieval (a triggering event), such as at step 714 . It should be noted, however, that the user of the on-demand recording system 69 does not necessarily have to be a user of a computer 86 . If a save request signal is initiated at step 714 , execution proceeds to step 716 , where the save initiator 88 will transmit a save request signal, which will be received by the receiver 84 . At step 718 , the connection is terminated, and execution continues to step 720 , where the memory buffer 80 on the server 76 is copied onto the storage device 82 . At step 722 , the entire saved communication on storage device 82 is available for playback via a playback device 92 . In this manner, regardless of when the save request is initiated during the connection, the entire communication is available for playback.
- step 724 execution proceeds to step 726 , where the memory buffer 80 on the server 76 is erased.
- a video signal device 96 for receiving video signals is connected to a server 104 via a network 106 .
- the video signal device includes a memory buffer 98 , a processor 100 for digitizing video signals, and a processor 102 for packetizing video signals. While processor 100 and processor 102 are depicted as separate processors, it is contemplated that a single processing system, composed of one or more processors in conjunction with firmware or software, could provide equivalent functionality.
- the video signal device 96 may be a computer, storage device, tuner, or any device capable of receiving video signals, including TiVo, Inc.'s digital video recorder or Microsoft Corporation's ULtimateTV digital video recorder.
- the server 104 includes a memory buffer 108 , a storage device 110 , and a receiver 112 for receiving save request signals, and one or more playback devices 120 are connected to server 104 by network 106 .
- Network 106 and network 118 may be capable of transmitting analog or digital signals, and may be any type of computer, telecommunication, or television transmission network, whether cable, broadcast, or satellite. It is also understood that while network 106 and network 118 are depicted as distinct networks, that network 106 and network 118 could be the same network.
- At least one display device 114 is connected to the video signal device 96 via a network 118 , and any number of display devices 114 may be connected to any number of video signal devices 96 .
- the display devices 114 may be computers, personal digital assistants, televisions, or any device capable of receiving and/or transmitting signals.
- Connected to at least one display device 114 is a save initiator 116 for initiating a save request signal. While depicted in FIG. 8 as being connected to one of the display devices 114 , the save initiator 116 may be connected to any of the other components or may be a stand-alone component connected to network 106 or 118 , thus allowing the initiation of a save request by someone other than a user of the display device 114 .
- the save initiator 116 may be a touch pad, button, icon on a display screen, or any means or physical device to generate a save request signal.
- the on-demand recording system 94 may perform an on-demand recording method 900 .
- a connection is established with a television 114 .
- the connection include a television program broadcast, a pay-per-view program, or any connection involving the transmission of information or data.
- the connection is transmitted to the television 114 through the video signal device 96 .
- the video signal device transmits the information to the television 114 .
- the television program will be dynamically duplicated into memory 98 as the program is communicated through the connection.
- the duplicated program is digitized at step 908 by the processor 100 (if the program is not already in digital form), and then the digitized program will be placed into packets by processor 102 . It is understood that the digitization could occur prior to the duplication and packetization of the television program.
- the packets are output over the network 106 to the server 104 .
- the server 104 will extract (e.g. de-packetize) the television program from the packets and store the data in the memory buffer 108 . While packets are used in the preferred embodiment, other forms of data transfer are commonly used by those skilled in the art, including, for example, frames, raw data, or tokens.
- the user of the on-demand recording system 94 may request that the data be saved for later retrieval (a triggering event), such as at step 914 . It should be noted, however, that the user of the on-demand system 94 does not necessarily have to be a user of the television 114 . If a save request signal is initiated at step 914 , execution proceeds to step 916 , where the save initiator 116 will transmit a save request signal, which will be received by the receiver 112 . At step 918 , the connection is terminated, and at step 920 , the memory buffer 108 on the server 104 is then copied onto a storage device 110 . At step 922 , the entire saved television program is available for playback, regardless of when the save request is initiated. In this manner, regardless of when the save request is initiated during the connection, the entire communication is available for playback.
- step 924 execution proceeds to step 926 , where the memory buffer 108 on the server is erased.
- the present invention as described above thus provides an improved method for allowing the entire telephone conversation, television broadcast, and other streams of analog or digital data to be recorded when the triggering event to record the data is initiated during the transmission. It is also contemplated by the present invention that various components of the invention could be combined to reduce the number of components.
- the playback device could be integrated with the server or a communication device, or the playback device, server, and communication device could be integrated into a single unit.
- Other embodiments include having the playback device be situated on a separate network from the server or communication device.
- the processors contemplated in this disclosure could be hardware, software, or any combination thereof.
- the memory buffer and storage devices could be combined into a single device.
Abstract
Disclosed is a system and method for on-demand recording of telephone, computer, or video signals. Once a connection is established, the communication signals are sent through an intermediary device, which duplicates the signals. The signals are then stored in memory until a triggering event occurs during the connection. If the triggering event occurs, then the signals in memory are stored for playback. If the triggering event does not occur prior to the termination of the connection, the signals in memory are erased.
Description
- This application is a continuation of U.S. patent application Ser. No. 10/146,168, filed May 15, 2002, which claims priority to U.S. Provisional Patent Application Ser. No. 60/291,878, filed May 18, 2001.
- 1. Field of the Invention
- The present invention relates to a recording device for recording a stream of analog or digital data.
- 2. Description of the Prior Art
- In the current state of the industry, in order to record the contents of a telephone call, computer transmission, television program, or any form or type of analog or digital data transmission, there are two basic methods. The first method is “logging,” which consists of recording every transmission, from initiation until termination, regardless of the content or characteristics of the transmission. Because logging is independent of the contents and characteristics of the transmission, if a specific transmission is to be reviewed, it becomes necessary to record every transmission. Recording every transmission, however, requires a significant amount of storage space. Further, because of the number of transmissions recorded, it is difficult and time-consuming to locate a specific transmission.
- The second method of recording a transmission is “event driven” recording, which records a transmission upon the occurrence of a certain condition or event. In some instances, the recording condition may be the start of the transmission (which is, in effect, the logging method), while in other instances the event will occur during the transmission (such as when a user presses a “record” button during the transmission). Other events may be time-based, such as when recording begins and ends at a specific times. One difficulty of an event driven recording system is properly defining the event that initiates recording. An overly broad event may record too many transmissions, while too specific of an event may not record enough. Another disadvantage of event driven recording is that the event may not occur, or may occur at the wrong time, resulting in not all of the content of the transmission being recorded. Yet another disadvantage is that if the event cannot (or does not) occur until after the initiation of transmission, then the transmission that occurs prior to the event is not recorded. Further, for communications via computer instant messenging, a similar disadvantage occurs when the content of the conversation may “scroll off” the screen before the user can save the earlier portions of the conversation.
- The present invention provides a new and unique system and method for on-demand recording of analog and digital information. In one embodiment, a connection is established on a communication device with an intermediary device. The information transmitted via the connection is dynamically stored. If a triggering event occurs during the connection, the information of the entire connection is saved at the conclusion of the connection, thus allowing the information to be replayed on-demand.
- In another embodiment, a telephone call is established on a telephone with a PBX including a plurality of line cards. The voice information of the telephone call is duplicated dynamically at one of the line cards. The voice information can then be digitized and packetized. The voice information is output to a server connected to the PBX. During the telephone call a triggering event is activated, and the voice information of the entire telephone call is saved on the server at the conclusion of the telephone call, thus allowing the information to be replayed on-demand.
- In a further embodiment, a computer data connection is established on a computer with a network device. The computer data is duplicated dynamically by the network device and packetized. The computer data is output to a server connected to the network device. During the computer data connection a triggering event is activated, and the computer data of the entire connection is saved on the server at the conclusion of the connection, thus allowing the computer data to be replayed on-demand.
- In yet another embodiment, a television transmission is established on a display device with a video signal device. The television program is duplicated dynamically by the video signal device. The television program can then be digitized and packetized. The television program is output to a server connected to the video signal device. During the television transmission a triggering event is activated, and the television program of the entire television transmission is saved on the server at the conclusion of the television transmission, thus allowing the information to be replayed on-demand.
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FIG. 1 is an illustration of an embodiment of the invention. -
FIG. 2 is a flowchart illustrating the operation of an embodiment of the invention. -
FIG. 3 is an illustration of a voice implementation of the invention. -
FIG. 4 is an illustration of a line card, such as can be used in the voice implementation ofFIG. 3 . -
FIG. 5 is a flowchart illustrating the operation of the voice implementation. -
FIG. 6 is an illustration of another embodiment of the invention implemented in a computer network. -
FIG. 7 is a flowchart illustrating the operation of the computer network implementation ofFIG. 6 . -
FIG. 8 is an illustration of a television network implementation of the invention. -
FIG. 9 is a flowchart illustrating the operation of the television network implementation ofFIG. 8 . - The following disclosure provides many different embodiments, or examples, for implementing different features of an on-demand recording system. Specific examples of components, processes, and implementations are described to help clarify the invention. These are, of course, merely examples and are not intended to limit the invention from that described in the claims.
- Referring to
FIG. 1 , oneembodiment 10 of an on-demand recording system includes anintermediary device 12 connected to aserver 20 via anetwork 22. Theintermediary device 12 includes amemory buffer 14, such as RAM or a hard drive, aprocessor 16 for converting analog signals into digital signals, and aprocessor 18 for placing data into packets. Whileprocessor 16 andprocessor 18 are depicted as separate processors, it is contemplated that a single processing system, composed of one or more processors in conjunction with firmware or software, could provide equivalent functionality. Theserver 20 includes amemory buffer 24, such as random access memory (RAM) or a hard drive, astorage device 26, such as a compact disk (CD-ROM) drive, floppy drive, or hard drive, and adevice 28 for receiving a save initiation request. Theintermediary device 12 is connected to one ormore communication devices 30 via anetwork 32.Communication devices 30 may be capable of transmitting or receiving analog or digital signals via thenetwork 32. Also connected tonetwork 22 are one ormore playback devices 36, such as computers, dumb terminals, televisions, telephones, or other communication devices. Network 22 andnetwork 32 may be any type of wired or wireless system for transmission of signals, including, a plain old telephone switch (POTS) network, computer packet network, or television broadcast system. - Connected to at least one of the
communication devices 30 is asave initiator 34, which allows a user of the on-demand recording system 10 to initiate a save request. While depicted inFIG. 1 as being connected to one of thecommunication devices 30, thesave initiator 34 may instead (or in addition) be connected to any of the other components or may be a stand-alone component connected to network 22 ornetwork 32, thus allowing the initiation of the save request by someone other than a user of thecommunication devices 30. Further, thesave initiator 34 may be a touch pad, button, icon on a display screen, or any means or physical device to generate a save request signal. - Referring now to
FIG. 2 , in one embodiment, the on-demand recording system 10 may perform an on-demand recording method 200. Atstep 202, a connection is established between two communication devices (e.g., the communication devices. 30 ofFIG. 1 or an external communication device that is not part of the on-demand recording system). Examples of the connection include a telephone call, a data transmission between computers, a reception of a television signal, or any connection involving the transmission of information or data. In the present example, the connection is made through theintermediary device 12 ofFIG. 1 . Atstep 204, once the connection is established, the intermediary device transmits the information to and from the communication devices. Atstep 206, the information is dynamically duplicated into thememory buffer 14 as the information is communicated through the connection. - In one embodiment, the duplicated information is digitized at
step 208 by the processor 16 (if not already in digital form). The digitized information can also be placed into packets. It is understood that in some embodiments, the step of digitizing the information could occur prior to duplication and packetization. Atstep 210, the packets are then provided over thenetwork 22 and received by theserver 20. Atstep 212, theserver 20 extracts (e.g., de-packetizes) the digitized information from the packets and stores the extracted information in thememory buffer 24. While packets are used in the preferred embodiment, other forms of data transfer are commonly used by those skilled in the art, including, for example, frames, raw data, or tokens. - At any time during the connection, up until the connection is terminated, a user of the on-
demand recording system 10 may request that the information of the entire connection be saved for later retrieval by initiating a save request with the save initiator 34 (a triggering event), such as atstep 214. It should be noted, however, that the user of the on-demand system 10 does not necessarily have to be a user of acommunication device 30. If a save request signal is initiated atstep 214, execution proceeds to step 216 where thesave initiator 34 transmits a save request signal for receipt by thereceiver 28. Atstep 218, the connection is terminated (in some embodiments), and atstep 220, the contents of thememory buffer 24 on theserver 20 is copied onto thestorage device 26. Atstep 222, the saved information of the entire connection onstorage device 26 is made available for playback via theplayback device 36. In this manner, regardless of when the save request is initiated during the connection, the entire connection is available for playback. - In the present embodiment, if the connection terminates without a save request signal, such as at
step 224, execution proceeds to step 226, where the contents of thememory buffer 24 on theserver 20 is erased. - Referring now to
FIG. 3 , another embodiment of an on-demand recording system for use with voice communications is designated with thereference numeral 38. The on-demand system 38 utilizes aswitch 40, which includes a series of line cards 42. Theswitch 40 is connected to aserver 44 via anetwork 46. Theserver 44 includes amemory buffer 48,storage device 50, and adevice 52 for receiving a save initiation request. The line cards 42 are connected tocommunication devices 54 via anetwork 58. It is understood thatcommunication device 54, such as a telephone or any telephony device, may be capable of transmitting analog or digital signals, and thatswitch 40 may be any type of switch, such as an exchanger switch, telephone switch, or a private branch exchange (PBX). Any number oftelephones 54 may be connected to any number of line cards 42. Also connected to thenetwork 46 are one ormore playback devices 60 for playing back recorded communications. - In the present embodiment, a
save initiator 56 is connected to asingle telephone 54. While depicted inFIG. 3 as being connected to atelephone 54, the save initiator may instead (or in addition) be connected to any of the other components or may be a stand-alone component connected to network 46 ornetwork 58, thus allowing the initiation of the save request by someone other than a user of thetelephone 54. Further, thesave initiator 56 may be a touch pad, button, icon on a display screen, or any means or physical device to generate a save request signal. - Referring to
FIG. 4 , for the sake of example, each of the line cards 42 is constructed similar to aline card 42 a. Theline card 42 a includes a plurality ofconventional switching components 62 and aprocessor 64 that is capable of digitizing, duplicating, and/or packetizing information for transmission. Theline card 42 a also includes adata port 66 for transferring information onto eithernetwork 58 ornetwork 46 or both. Theprocessor 64 may be connected to a power supply (not shown) of theline card 42 a. The line card will also include amemory 68 for storing signals that are switched through the line card. - Referring now to
FIG. 5 , in one embodiment, the on-demand recording system 38 may perform an on-demand recording method 500. Atstep 502, a connection is established between two telephones (e.g., thetelephones 54 ofFIG. 3 , or any telephony device or an external communication device that is not part of the on-demand recording system). In the present example, the connection is a telephone call transmitting voice information. Atstep 504, the connection is sent through aline card 42 a in thePBX 40 and theline card 42 a will transmit the voice communication to and from thetelephones 54. Atstep 506, theprocessor 64 will dynamically duplicate the communications intomemory 68 as the voice communication is transmitted via the telephone call. Atstep 508, the duplicated communications, if not already in digital form, are digitized by theprocessor 64, and then the digitized communications will be placed into packets. It is understood that digitizing the communications could occur prior to duplication and packetization. - At
step 510, the packets are output over thenetwork 46 and received by theserver 44. Atstep 512, theserver 44 will extract (e.g., de-packetize) the digitized communications from the packets and store the communications in amemory buffer 48. While packets are used in the preferred embodiment, other forms of data transfer are commonly used by those skilled in the art, including, for example, frames, raw data, or tokens. - At any time during the connection, up until the connection is terminated, the user of the voice implementation of the on-
demand recording system 38 may request that the information of the entire connection be saved for later retrieval by initiating a save request (a triggering event), such as atstep 514. It should be noted, however, that the user of the on-demand system does not necessarily have to be a user of atelephone 54. If a save request signal is initiated atstep 514, execution proceeds to step 516, where thesave initiator 56 will transmit a save request signal, which will be received by thereceiver 52. Atstep 518, the telephone call is terminated and execution continues to step 520, where, thememory buffer 48 on theserver 44 is copied onto thestorage device 50. Atstep 522, the entire saved communication is available for playback via aplayback device 60. In this manner, regardless of when the save request is initiated during the connection, the entire communication of the connection is available for playback. - If the telephone call terminates without a save request signal, such as at
step 524, execution proceeds to step 526, where thememory buffer 48 on theserver 44 is erased. - Referring now to
FIG. 6 , an embodiment of an on-demand recording system for use with computer communications is designated with thereference numeral 69. Anetwork device 70 is connected to aserver 76 via anetwork 78. Thenetwork device 70 includes amemory buffer 72 and aprocessor 74 for placing data into packets. Theserver 76 includes amemory buffer 80, astorage device 82, and adevice 84 for receiving a save initiation request. Thenetwork device 70 is also connected tocomputers 86 via anetwork 90, and one ormore playback devices 92 are connected to theserver 76 bynetwork 78. -
Network 78 andnetwork 90 may be capable of transmitting analog or digital signals, and may be any type of computer or telecommunication network. Thenetwork device 70 may be a router, hub, personal computer, server, gateway, bridge, or any device capable of facilitating network communications, and any number ofcomputers 86 may be connected to any number ofnetwork devices 70. - The
computers 86 may be personal computers, personal digital assistants, or any device capable of receiving and/or transmitting signals. Thecomputers 86 may also be running voice over IP software or software that allows computer messenging communications, such as provided by America Online's Instant Messenger, Yahoo! Messenger, or MSN Messenger. Asave initiator 88 is connected to acomputer 86. While depicted inFIG. 6 as being connected to one of thecomputers 86, thesave initiator 88 may instead (or in addition) be connected to any of the other components or may be a stand-alone component connected to network 78 or 90, thus allowing the initiation of the save request by someone other than a user of acomputer 86. It is further understood that whilenetwork 78 andnetwork 90 are depicted as distinct networks, thatnetwork 78 andnetwork 90 could be the same network. - Referring now to
FIG. 7 , in one embodiment, the on-demand recording system 69 may perform an on-demand recording method 700. Atstep 702, a connection is established between two computers (e.g., thecomputers 86 ofFIG. 6 or an external communication device that is not part of the on-demand recording system). Examples of the connection include a telephone call, a data transmission between computers, a reception of a television signal, or any connection involving the transmission of information or data. In the present example, the data is sent through thenetwork device 70 ofFIG. 1 . Atstep 704, once the connection is established, the network device transfers information to and from the computers. Atstep 706, the data is dynamically duplicated intomemory 72 as the telephone call is communicated through the connection. - At
step 708, the duplicated data is placed into packets for transmission across a packet network. Atstep 710, the packets are output over thenetwork 78 to theserver 76. Atstep 712, theserver 76 will extract (e.g., de-packetize) the data from the packets and store the data in thememory buffer 80. While packets are used in the preferred embodiment, other forms of data transfer are commonly used by those skilled in the art, including, for example, frames, raw data, or tokens. - At any time during the connection, up until the connection is terminated, the user of the on-
demand recording system 69 may request that the data be saved for later retrieval (a triggering event), such as atstep 714. It should be noted, however, that the user of the on-demand recording system 69 does not necessarily have to be a user of acomputer 86. If a save request signal is initiated atstep 714, execution proceeds to step 716, where thesave initiator 88 will transmit a save request signal, which will be received by thereceiver 84. Atstep 718, the connection is terminated, and execution continues to step 720, where thememory buffer 80 on theserver 76 is copied onto thestorage device 82. Atstep 722, the entire saved communication onstorage device 82 is available for playback via aplayback device 92. In this manner, regardless of when the save request is initiated during the connection, the entire communication is available for playback. - If the connection terminates without a save request signal being received at the
receiver 84, such as atstep 724, execution proceeds to step 726, where thememory buffer 80 on theserver 76 is erased. - Referring now to
FIG. 8 , an embodiment of an on-demand recording system for use with television programs is designated byreference numeral 94. Avideo signal device 96 for receiving video signals is connected to aserver 104 via anetwork 106. The video signal device includes amemory buffer 98, aprocessor 100 for digitizing video signals, and aprocessor 102 for packetizing video signals. Whileprocessor 100 andprocessor 102 are depicted as separate processors, it is contemplated that a single processing system, composed of one or more processors in conjunction with firmware or software, could provide equivalent functionality. Thevideo signal device 96 may be a computer, storage device, tuner, or any device capable of receiving video signals, including TiVo, Inc.'s digital video recorder or Microsoft Corporation's ULtimateTV digital video recorder. - The
server 104 includes amemory buffer 108, astorage device 110, and areceiver 112 for receiving save request signals, and one ormore playback devices 120 are connected toserver 104 bynetwork 106.Network 106 andnetwork 118 may be capable of transmitting analog or digital signals, and may be any type of computer, telecommunication, or television transmission network, whether cable, broadcast, or satellite. It is also understood that whilenetwork 106 andnetwork 118 are depicted as distinct networks, thatnetwork 106 andnetwork 118 could be the same network. - At least one
display device 114 is connected to thevideo signal device 96 via anetwork 118, and any number ofdisplay devices 114 may be connected to any number ofvideo signal devices 96. Thedisplay devices 114 may be computers, personal digital assistants, televisions, or any device capable of receiving and/or transmitting signals. Connected to at least onedisplay device 114 is asave initiator 116 for initiating a save request signal. While depicted inFIG. 8 as being connected to one of thedisplay devices 114, thesave initiator 116 may be connected to any of the other components or may be a stand-alone component connected to network 106 or 118, thus allowing the initiation of a save request by someone other than a user of thedisplay device 114. Thesave initiator 116 may be a touch pad, button, icon on a display screen, or any means or physical device to generate a save request signal. - Referring now to
FIG. 9 , in one embodiment, the on-demand recording system 94 may perform an on-demand recording method 900. Atstep 902, a connection is established with atelevision 114. Examples of the connection include a television program broadcast, a pay-per-view program, or any connection involving the transmission of information or data. In the present example, the connection is transmitted to thetelevision 114 through thevideo signal device 96. Atstep 904, once the connection is established, the video signal device transmits the information to thetelevision 114. Atstep 906, the television program will be dynamically duplicated intomemory 98 as the program is communicated through the connection. - In one embodiment, the duplicated program is digitized at
step 908 by the processor 100 (if the program is not already in digital form), and then the digitized program will be placed into packets byprocessor 102. It is understood that the digitization could occur prior to the duplication and packetization of the television program. Atstep 910, the packets are output over thenetwork 106 to theserver 104. Atstep 912, theserver 104 will extract (e.g. de-packetize) the television program from the packets and store the data in thememory buffer 108. While packets are used in the preferred embodiment, other forms of data transfer are commonly used by those skilled in the art, including, for example, frames, raw data, or tokens. - At any time during the television program, up until the transmission is terminated, the user of the on-
demand recording system 94 may request that the data be saved for later retrieval (a triggering event), such as atstep 914. It should be noted, however, that the user of the on-demand system 94 does not necessarily have to be a user of thetelevision 114. If a save request signal is initiated atstep 914, execution proceeds to step 916, where thesave initiator 116 will transmit a save request signal, which will be received by thereceiver 112. Atstep 918, the connection is terminated, and atstep 920, thememory buffer 108 on theserver 104 is then copied onto astorage device 110. Atstep 922, the entire saved television program is available for playback, regardless of when the save request is initiated. In this manner, regardless of when the save request is initiated during the connection, the entire communication is available for playback. - If the television program transmission terminates without a save request signal, such as at
step 924, execution proceeds to step 926, where thememory buffer 108 on the server is erased. - The present invention as described above thus provides an improved method for allowing the entire telephone conversation, television broadcast, and other streams of analog or digital data to be recorded when the triggering event to record the data is initiated during the transmission. It is also contemplated by the present invention that various components of the invention could be combined to reduce the number of components. For example, the playback device could be integrated with the server or a communication device, or the playback device, server, and communication device could be integrated into a single unit. Other embodiments include having the playback device be situated on a separate network from the server or communication device. In addition, the processors contemplated in this disclosure could be hardware, software, or any combination thereof. Further, the memory buffer and storage devices could be combined into a single device.
- While the invention has been particularly shown and described with reference to the preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention, as set forth in the following claims.
Claims (20)
1. A method of on-demand recording of a telephone call conversation, comprising:
transmitting voice data of a telephone call conversation between a plurality of communication devices; and
recording the transmitted voice data in response to a triggering event occurring during the telephone call conversation, including recording a portion of the voice data that was transmitted between the plurality of communication devices prior to the occurrence of the triggering event.
2. The method of claim 1 , wherein:
transmitting the voice data between the plurality of communication devices includes transmitting the voice data through an intermediary device; and
recording the transmitted voice data includes recording the transmitted voice data in the intermediary device.
3. The method of claim 2 further comprising establishing a connection via which the voice data is transmitted through the intermediary device and between the plurality of communication devices, wherein establishing the connection is at least partially performed by the intermediary device.
4. The method of claim 2 wherein the intermediary device is a private branch exchange (PBX).
5. The method of claim 1 wherein:
the portion of the voice data that was transmitted between the plurality of communication devices prior to the occurrence of the triggering event is a first portion of the voice data that was transmitted between the plurality of communications devices;
a second portion of the voice data was transmitted between the plurality of communication devices after the occurrence of the triggering event; and
recording the transmitted voice data in response to the triggering event includes recording the first and second portions of the transmitted voice data in response to the occurrence of the triggering event.
6. The method of claim 5 wherein the first and second portions of the transmitted voice data recorded in response to the occurrence of the triggering event collectively comprise the substantial entirety of the voice data transmitted between the plurality of communications devices during the telephone call conversation.
7. The method of claim 1 wherein transmitting the voice data between the plurality of communication devices includes performing a first save of the voice data transmitted between the plurality of communications devices irrespective of the occurrence or absence of the triggering event during the telephone call conversation, and wherein recording the transmitted voice data in response to the triggering event occurring during the telephone call conversation includes performing a second save of the voice data transmitted between the plurality of communications after the conclusion of the telephone call conversation.
8. The method of claim 7 wherein performing the first save includes saving substantially all of the voice data transmitted between the plurality of communications devices as the voice data is transmitted between the plurality of communications devices, and wherein performing the second save includes saving substantially all of the voice data transmitted between the plurality of communications after the conclusion of the telephone call conversation.
9. The method of claim 7 wherein transmitting the voice data between the plurality of communications devices includes transmitting the voice data through an intermediary device, and wherein performing the first and second save each include saving the transmitted voice data in a memory of the intermediary device.
10. The method of claim 9 wherein performing the first save includes saving the transmitted voice data in a first memory of the intermediary device, and wherein performing the second save includes saving the transmitted voice data in a second memory of the intermediary device.
11. The method of claim 7 wherein transmitting the voice data between the plurality of communication devices includes performing the first save of the voice data transmitted between the plurality of communications devices, and further comprising discarding the first-saved voice data if the telephone call conversation concludes in the absence of the triggering event.
12. An apparatus for on-demand recording of data communicated during each of a plurality of data communication sessions, comprising:
a switch configured to switch the data communicated during the plurality of data communication sessions, collectively;
a first memory configured to temporarily store a plurality of session data sets each corresponding to one of the plurality of data communication sessions, wherein each of the plurality of session data sets is temporarily stored at least until the conclusion of the corresponding one of the plurality of data communication sessions;
a receiver configured to receive each of a plurality of save requests each corresponding to one of the plurality of data communication sessions, including receiving each of the plurality of save requests during the corresponding one of the plurality of data communication sessions from one of an originating communication device and a terminating communication device of the corresponding one of the plurality of data communication sessions; and
a second memory configured to record ones of the plurality of session data sets each corresponding to one of the plurality of save requests received by the receiver.
13. The apparatus of claim 12 wherein the apparatus is a private branch exchange (PBX).
14. The apparatus of claim 12 wherein the originating and terminating communication devices are telephones.
15. The apparatus of claim 12 wherein the switch is connected to a plurality of line cards each configured to send and receive data corresponding to multiple ones of the plurality of data communication sessions.
16. The apparatus of claim 12 wherein the plurality of data communications sessions includes a plurality of telephone call conversations between the originating and terminating communication devices.
17. The apparatus of claim 12 wherein the plurality of data communications sessions includes a plurality of VoIP communication sessions.
18. The apparatus of claim 12 wherein at least one of the first and second memories are integrally housed with the switch and the receiver.
19. The apparatus of claim 12 wherein at least one of the first and second memories is housed separate from the switch and the receiver but connected at least indirectly to at least one of the switch and the receiver via a network.
20. The apparatus of claim 12 the second memory is configured to record at least two of the plurality of session data sets corresponding to simultaneously occurring ones of the plurality of data communication sessions.
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US9872078B2 (en) | 2008-08-29 | 2018-01-16 | Centurylink Intellectual Property Llc | Method and system for providing viewing notifications for a set-top box |
US9866917B2 (en) | 2008-08-29 | 2018-01-09 | Centurylink Intellectual Property Llc | Method and system for providing a content notification for a set-top box |
US20160029062A1 (en) * | 2008-12-31 | 2016-01-28 | Centurylink Intellectual Property Llc | System and Method for Set-Top Box Recording |
US10575056B2 (en) | 2009-05-29 | 2020-02-25 | Centurylink Intellectual Property Llc | System and method for sharing user content through a set-top box |
US9888115B2 (en) | 2013-02-28 | 2018-02-06 | Lennard A. Gumaer | Media device and method of using a media device |
US9955204B2 (en) | 2013-03-06 | 2018-04-24 | Centurylink Intellectual Property Llc | System and method for distributing content through a set-top box |
US9955227B2 (en) | 2013-03-13 | 2018-04-24 | Centurylink Intellectual Property Llc | System and method for communicating alerts through a set-top box |
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US7499530B2 (en) | 2009-03-03 |
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