A system and method for time-shifted viewing of broadcast television programs is disclosed. Simultaneous recording and playback are provided by using buffer storage as the source and destination of compressed or uncompressed digital video/audio programs. Full VCR-like control is provided for all playback...http://www.google.de/patents/US7272298?utm_source=gb-gplus-sharePatent US7272298 - System and method for time-shifted program viewing