Audio decoder and coding error compensating method

Details Audio decoder and coding error compensating method Audio decoder and coding error compensating method

2007-01-30

2007-01-30

Armstrong, Angela (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

C704S220000

Reexamination Certificate

active

10018317

ABSTRACT:
When an error is detected in coded data in the current frame, data separation section201separates the data into coding parameters first. Then, mode information decoding section202outputs decoding mode information in the previous frame and uses this as the mode information of the current frame. Furthermore, using the lag parameter code and gain parameter code of the current frame obtained at data separation section201and the mode information, lag parameter decoding section204and gain parameter decoding section205adaptively calculate a lag parameter and gain parameter to be used in the current frame according to the mode information.

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