Frame synchronizer apparatus for synchronizing video and audio d

Details Frame synchronizer apparatus for synchronizing video and audio d Frame synchronizer apparatus for synchronizing video and audio d

1997-01-15

1999-03-02

Hsia, Sherrie

Television

Synchronization

Locking of video or audio to reference timebase

348513, H04N 9475

Patent

active

058778152

ABSTRACT:
A click noise is prevented from being generated in audio signals when reading of memory jumps. Separated audio data is supplied to a sampling rate converter and converted into an audio signal of a baseband by a D/A converter. This audio signal passes through a low-path filter and is reconverted into a digital audio signal by an A/D converter in accordance with a sampling signal of the rate of the self system. As a result, audio data which is transformed into the rate of another system can be converted into audio data of the rate of the self system.

REFERENCES:
patent: 4851909 (1989-07-01), Noske
patent: 5467139 (1995-11-01), Lankford

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