Method and apparatus for smooth convergence during audio discontinuous transmission
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United States of America Patent
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Issued Date -
Oct 14, 2010
app pub date -
Apr 13, 2009
filing date -
Apr 13, 2009
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Abstract
A method of maintaining signal convergence of a transmitter and a receiver of an adaptive differential pulse code modulated (ADPCM) communication system during discontinuous transmission, by generating synchronized comfort noise frame in the transmitter and in the receiver during quiet periods and mutually updating the receiver's decoder and encoder on their states.
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