Audio apparatus for processing voice and audio signals

Details Audio apparatus for processing voice and audio signals Audio apparatus for processing voice and audio signals

2006-12-26

2006-12-26

Jeanglaude, Jean Bruner (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

Data rate conversion

C341S050000, C375S372000

Reexamination Certificate

active

07154419

ABSTRACT:
An audio apparatus for performing digital data processing on voice and audio signals through interrelated data sampling and processing. A predetermined mixing processing in the audio apparatus is performed by a first digital processing circuit on both (a) digital received-voice signals converted into the signals sampling processed at a frequency n×fs by a first sampling frequency conversion circuit, and (b) digital audio signals converted into the signals sampling processed at the frequency n×fs by a third sampling frequency conversion circuit. Another predetermined mixing processing is performed by a second digital processing circuit on both (i) digital audio signals converted into the signals sampling processed at a frequency N×Fs by a second sampling frequency conversion circuit, and (ii) digital voice signals converted into the signals sampling processed at the frequency N×Fs by the third sampling frequency conversion circuit.

REFERENCES:
patent: 6016170 (2000-01-01), Takayama et al.
patent: 6504879 (2003-01-01), Iwamatsu
patent: 6952461 (2005-10-01), Yasuda et al.
patent: 2000-299718 (2000-10-01), None

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