Data processing: generic control systems or specific application – Specific application – apparatus or process – Digital audio data processing system
Reexamination Certificate
2005-04-26
2005-04-26
Lee, Ping (Department: 2644)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Digital audio data processing system
C381S081000
Reexamination Certificate
active
06885900
ABSTRACT:
A method and apparatus for providing multiple channel audio in a computing system includes processing that begins by receiving an audio setup signal that indicates whether audio is to be outputted as stereo audio or multiple channel audio. When multiple channel audio is to be outputted, the line-in driver is disabled in the audio processing circuitry and the multiple channel driver of the audio processing circuitry is enabled. Thus, the multiple channel driver is operably coupled to the line-in audio jack. When the audio output is to be outputted as stereo audio, the multiple channel driver is disabled and the line-in driver is enable. Thus, the line-in driver is operably coupled to the line-in audio jack.
REFERENCES:
patent: 5341254 (1994-08-01), Ueno
patent: 5841993 (1998-11-01), Ho
Ifesinachukwa Kenneth G
Rangan Giri N. K.
Rybicki Mathew A
Garlick & Harrison & Markison
Lee Ping
Markison Timothy W.
Sigmatel, Inc.
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