Voice-data processing circuit and voice-data processing method

Details Voice-data processing circuit and voice-data processing method Voice-data processing circuit and voice-data processing method

2004-06-01

2008-03-04

Chin, Vivian (Department: 2615)

Electrical audio signal processing systems and devices

Voice controlled

C381S123000, C379S387010, C370S351000

Reexamination Certificate

active

07340070

ABSTRACT:
When selecting a specific input source that can be processed by only a second voice-data processing unit instead of an input source currently being processed by a first voice-data processing unit, a voice-data processing circuit selects and delivers an input source selected by a second analog switch to the first voice-data processing unit by using a first analog switch. Then, after the first and second voice-data processing units simultaneously process the identical input source other than the specific input source over a certain time period, the second analog switch selects and delivers the specific input source to the second voice-data processing unit and a first switch selects an output of the second voice-data processing unit and outputs a voice of the specific input source as an analog audio output.

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D. P. Vogel et al, “Software Audio part,” Philips Semiconductors User Manual, SAA7709H/N107, 2002, pp. 30-31, 193-194.

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