DE68916944D1 - Verfahren zur schnellen Bestimmung der Grundfrequenz in Sprachcodierern mit langfristiger Prädiktion. - Google Patents
Verfahren zur schnellen Bestimmung der Grundfrequenz in Sprachcodierern mit langfristiger Prädiktion.Info
- Publication number
- DE68916944D1 DE68916944D1 DE68916944T DE68916944T DE68916944D1 DE 68916944 D1 DE68916944 D1 DE 68916944D1 DE 68916944 T DE68916944 T DE 68916944T DE 68916944 T DE68916944 T DE 68916944T DE 68916944 D1 DE68916944 D1 DE 68916944D1
- Authority
- DE
- Germany
- Prior art keywords
- procedure
- long
- basic frequency
- term prediction
- rapid determination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/90—Pitch determination of speech signals
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP89480052A EP0392126B1 (de) | 1989-04-11 | 1989-04-11 | Verfahren zur schnellen Bestimmung der Grundfrequenz in Sprachcodierern mit langfristiger Prädiktion |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68916944D1 true DE68916944D1 (de) | 1994-08-25 |
DE68916944T2 DE68916944T2 (de) | 1995-03-16 |
Family
ID=8203055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68916944T Expired - Fee Related DE68916944T2 (de) | 1989-04-11 | 1989-04-11 | Verfahren zur schnellen Bestimmung der Grundfrequenz in Sprachcodierern mit langfristiger Prädiktion. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5093863A (de) |
EP (1) | EP0392126B1 (de) |
JP (1) | JP2650201B2 (de) |
DE (1) | DE68916944T2 (de) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5537509A (en) * | 1990-12-06 | 1996-07-16 | Hughes Electronics | Comfort noise generation for digital communication systems |
JP3254687B2 (ja) * | 1991-02-26 | 2002-02-12 | 日本電気株式会社 | 音声符号化方式 |
ES2166355T3 (es) * | 1991-06-11 | 2002-04-16 | Qualcomm Inc | Vocodificador de velocidad variable. |
US5448683A (en) * | 1991-06-24 | 1995-09-05 | Kokusai Electric Co., Ltd. | Speech encoder |
US5353372A (en) * | 1992-01-27 | 1994-10-04 | The Board Of Trustees Of The Leland Stanford Junior University | Accurate pitch measurement and tracking system and method |
US5630016A (en) * | 1992-05-28 | 1997-05-13 | Hughes Electronics | Comfort noise generation for digital communication systems |
US5495555A (en) * | 1992-06-01 | 1996-02-27 | Hughes Aircraft Company | High quality low bit rate celp-based speech codec |
CA2124713C (en) * | 1993-06-18 | 1998-09-22 | Willem Bastiaan Kleijn | Long term predictor |
US6463406B1 (en) * | 1994-03-25 | 2002-10-08 | Texas Instruments Incorporated | Fractional pitch method |
TW271524B (de) * | 1994-08-05 | 1996-03-01 | Qualcomm Inc | |
US5742734A (en) * | 1994-08-10 | 1998-04-21 | Qualcomm Incorporated | Encoding rate selection in a variable rate vocoder |
US5704003A (en) * | 1995-09-19 | 1997-12-30 | Lucent Technologies Inc. | RCELP coder |
JP2778567B2 (ja) * | 1995-12-23 | 1998-07-23 | 日本電気株式会社 | 信号符号化装置及び方法 |
US5751901A (en) * | 1996-07-31 | 1998-05-12 | Qualcomm Incorporated | Method for searching an excitation codebook in a code excited linear prediction (CELP) coder |
DE69836454T2 (de) * | 1997-02-10 | 2007-10-04 | Koninklijke Philips Electronics N.V. | Kommunikationsnetzwerk zur übertragung von sprachsignalen |
KR20000068950A (ko) * | 1997-09-12 | 2000-11-25 | 요트.게.아. 롤페즈 | 신호의 미싱 부분을 복구하는 기능이 향상된 전송 시스템 |
SE9903553D0 (sv) | 1999-01-27 | 1999-10-01 | Lars Liljeryd | Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL) |
SE0001926D0 (sv) | 2000-05-23 | 2000-05-23 | Lars Liljeryd | Improved spectral translation/folding in the subband domain |
US8670390B2 (en) | 2000-11-22 | 2014-03-11 | Genghiscomm Holdings, LLC | Cooperative beam-forming in wireless networks |
US10931338B2 (en) | 2001-04-26 | 2021-02-23 | Genghiscomm Holdings, LLC | Coordinated multipoint systems |
US9819449B2 (en) | 2002-05-14 | 2017-11-14 | Genghiscomm Holdings, LLC | Cooperative subspace demultiplexing in content delivery networks |
US10355720B2 (en) | 2001-04-26 | 2019-07-16 | Genghiscomm Holdings, LLC | Distributed software-defined radio |
SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
US8605911B2 (en) | 2001-07-10 | 2013-12-10 | Dolby International Ab | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
US7469206B2 (en) | 2001-11-29 | 2008-12-23 | Coding Technologies Ab | Methods for improving high frequency reconstruction |
US10200227B2 (en) | 2002-05-14 | 2019-02-05 | Genghiscomm Holdings, LLC | Pre-coding in multi-user MIMO |
US10142082B1 (en) | 2002-05-14 | 2018-11-27 | Genghiscomm Holdings, LLC | Pre-coding in OFDM |
US9628231B2 (en) | 2002-05-14 | 2017-04-18 | Genghiscomm Holdings, LLC | Spreading and precoding in OFDM |
US10644916B1 (en) | 2002-05-14 | 2020-05-05 | Genghiscomm Holdings, LLC | Spreading and precoding in OFDM |
SE0202770D0 (sv) | 2002-09-18 | 2002-09-18 | Coding Technologies Sweden Ab | Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks |
US7286604B2 (en) * | 2003-05-27 | 2007-10-23 | Aquity Llc | Carrier interferometry coding and multicarrier processing |
EP1513137A1 (de) * | 2003-08-22 | 2005-03-09 | MicronasNIT LCC, Novi Sad Institute of Information Technologies | Sprachverarbeitungssystem und -verfahren mit Multipuls-Anregung |
US11431386B1 (en) | 2004-08-02 | 2022-08-30 | Genghiscomm Holdings, LLC | Transmit pre-coding |
US11184037B1 (en) | 2004-08-02 | 2021-11-23 | Genghiscomm Holdings, LLC | Demodulating and decoding carrier interferometry signals |
US11552737B1 (en) | 2004-08-02 | 2023-01-10 | Genghiscomm Holdings, LLC | Cooperative MIMO |
US10637705B1 (en) | 2017-05-25 | 2020-04-28 | Genghiscomm Holdings, LLC | Peak-to-average-power reduction for OFDM multiple access |
US10243773B1 (en) | 2017-06-30 | 2019-03-26 | Genghiscomm Holdings, LLC | Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM |
EP3915236A4 (de) | 2019-01-25 | 2023-05-24 | Genghiscomm Holdings, LLC | Orthogonaler mehrfachzugriff und nicht-orthogonaler mehrfachzugrif |
US11917604B2 (en) | 2019-01-25 | 2024-02-27 | Tybalt, Llc | Orthogonal multiple access and non-orthogonal multiple access |
US11343823B2 (en) | 2020-08-16 | 2022-05-24 | Tybalt, Llc | Orthogonal multiple access and non-orthogonal multiple access |
WO2020242898A1 (en) | 2019-05-26 | 2020-12-03 | Genghiscomm Holdings, LLC | Non-orthogonal multiple access |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0243562B1 (de) * | 1986-04-30 | 1992-01-29 | International Business Machines Corporation | Sprachkodierungsverfahren und Einrichtung zur Ausführung dieses Verfahrens |
US5012517A (en) * | 1989-04-18 | 1991-04-30 | Pacific Communication Science, Inc. | Adaptive transform coder having long term predictor |
-
1989
- 1989-04-11 EP EP89480052A patent/EP0392126B1/de not_active Expired - Lifetime
- 1989-04-11 DE DE68916944T patent/DE68916944T2/de not_active Expired - Fee Related
-
1990
- 1990-04-06 US US07/505,732 patent/US5093863A/en not_active Expired - Fee Related
- 1990-04-10 JP JP2093314A patent/JP2650201B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5093863A (en) | 1992-03-03 |
JP2650201B2 (ja) | 1997-09-03 |
EP0392126B1 (de) | 1994-07-20 |
EP0392126A1 (de) | 1990-10-17 |
DE68916944T2 (de) | 1995-03-16 |
JPH02293800A (ja) | 1990-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |