Data processing: speech signal processing – linguistics – language – Speech signal processing – For storage or transmission
Patent
1996-04-04
1998-06-02
MacDonald, Allen R.
Data processing: speech signal processing, linguistics, language
Speech signal processing
For storage or transmission
704243, 704211, 704229, 704230, G01L 500
Patent
active
057616345
ABSTRACT:
A code division multiple access (CDMA) communication system reduces system self-interference and enhances system capacity by making rate selection decisions for individual speech encoders in concert with other speech encoders. The system utilizes perpetually weighted error metrics (401) as input into a rate controller (404) which determines and provides selected rates (402) back to the encoders (105). The system provides optimum voice quality and system capacity in that it allows specific encoders to decrease their rate, which improves capacity, as necessary while allowing other encoders to maintain their rates. This prevents needless degradation in voice quality at those times when system capacity needs to be temporarily increased.
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Kotzin Michael D.
Stewart Kenneth A.
Chawan Vijay B.
MacDonald Allen R.
Motorola Inc.
Sonnentag Richard A.
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