Device volume control in multimode computer systems

Details Device volume control in multimode computer systems Device volume control in multimode computer systems

1997-12-11

2000-09-19

Isen, Forester W.

Electrical computers and digital data processing systems: input/

Interrupt processing

Processor status

710260, 710261, 700 94, 381104, H03G 300, G06F 1324, G06F 1700

Patent

active

061227013

ABSTRACT:
A volume control handler allows users to dynamically alter the volume level of an audio device when the device is under control of a DOS mode application. The dynamic volume adjustment is performed without pausing or halting the DOS mode application. A system incorporating the volume control handler allows users of DOS mode applications to control a device's volume output in a manner similar to that provided by WINDOWS-compliant applications.

REFERENCES:
patent: 5073943 (1991-12-01), Chapman
patent: 5095526 (1992-03-01), Baum
patent: 5694606 (1997-12-01), Pletcher et al.
patent: 5872995 (1999-02-01), Chaiken
patent: 5956680 (1999-09-01), Behnke et al.

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