Audio frequency scaling during video trick modes utilizing...

Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium

Reexamination Certificate

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Details

C386S349000

Reexamination Certificate

active

07809241

ABSTRACT:
The invention concerns a method and apparatus for audio track playback during fast forward playback video trick modes. A storage medium reader is provided for reading digital data from a storage medium such as a DVD. The digital data represents a video presentation and a corresponding audio programming. A decoder decodes from a portion of the digital data comprising the audio programming a plurality of digital audio samples corresponding to a selected portion of the video presentation. Subsequently, a digital signal processor can convert the audio samples to their corresponding frequency domain equivalents and scale the frequency and amplitude of a playback audio frequency associated with the audio samples in accordance with trick mode video playback.

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