Data processing: speech signal processing – linguistics – language – Speech signal processing – For storage or transmission
Reexamination Certificate
2002-07-02
2011-10-04
Yen, Eric (Department: 2626)
Data processing: speech signal processing, linguistics, language
Speech signal processing
For storage or transmission
C704S230000
Reexamination Certificate
active
08032367
ABSTRACT:
A bit-rate converting apparatus and a method thereof, in which bit-rate conversion is executed by low computational complexity, are provided. The bit-rate conversion is executed in a frequency domain, and psycho-acoustic analysis is not needed by using information included in an inputted bit-stream before the bit-rate conversion is applied. With this, the computational complexity is lowered. And in order that many equal values are not contained in a frequency domain signal, which is inputted to a quantizing means, a quantized value before inverse quantizating is applied is modified, or an inverse quantized value after the inverse quantizing was applied is modified. With this, fine control for the bit-rate is made to be easy.
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NEC Corporation
Scully , Scott, Murphy & Presser, P.C.
Yen Eric
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