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Article: California Inventor Develops Digital Video Recorder
- Article from:
- US Fed News Service, Including US State News
- Article date:
- August 27, 2008
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ALEXANDRIA, Va., Aug. 27 -- Dustin Green of Mountain View, Calif., has developed a digital video stream.
An abstract of the invention, released by the U.S. Patent & Trademark Office, said: "A digital video recorder stores digital video streams having sequences of encoded frames that are predominantly non-keyframes. The digital video recorder synthesizes keyframes for the digital video stream by decoding the frames in sequence and occasionally capturing the state of the decoder as it decodes the frames. The decoder states are stored in a state index in association with the frames. During playback at normal or accelerated speeds, the digital video recorder is capable of random accelerated ...