Playback of audio/video content with control codes

摘要

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 within the buffer storage. Playback and control of recorded programs may be initiated by the user at any time after initiation of the broadcast program with simultaneous continuous recording of the ongoing live broadcast. Larger archival storage and removable is also provided for storing and building a library of programs. Viewer playback control data may be stored as part of the program or used as edit points prior to archival. Numerous options are provided for features such as continuous automatic recording in a circular buffer fashion, program archival, editing, Internet interfaces, multiple-channel recording and more.

主权项

1. A method for time-delayed viewing of audio/video content, comprising:
receiving audio/video content from an audio/video source; receiving a playback control command from a viewer of the audio/video content in response to the viewer having viewed at least a portion of the audio/video content, wherein the playback control command includes a fast forward command to automatically fast forward through at least a portion of audio/video content stored in archival memory during subsequent playback of the stored audio/video content; storing at least a portion of the audio/video content in archival memory, wherein the stored portion of the audio/video content includes a control code corresponding to the received playback control command for use in controlling subsequent playback of the stored portion of the audio/video content; and commencing the fast forwarding at a first edit point identified in the stored audio/video content and terminating the fast forwarding at a second edit point identified in the stored audio/video content.