VirtualSpeaker v1.2.1 (freeware)

Low level stuff to examine and control your Mac. Hardware and software configuration reporting, speed testing, extension managers, startup managers, memory managers, fpu emulation, system monitors, screen resolution & depth, keyboard configuration, volume control. (Not for typical system or control panel extensions.)
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VirtualSpeaker v1.2.1 (freeware)

Post by Info-Mac » July 19th, 2003, 9:00 am


Copyright (c) 2003 syndrome3D. All rights reserved.
Released 2003-07-18, Friday July 18th 2003
Author: Louis C. Sacha

This KEXT (kernel extension) for MacOS 10.2 fixes problems with the
handling of sound on the Apple G4 cube when the external USB speakers
are not connected (since the Cube does not have a built in sound device).
The extension runs under MacOS 10.2.x, and will create a virtual output
audio device and engine which can be selected in the sound control panel.
This extension will run on any model of hardware, and may prove useful
for any model without a built in sound device.

VirtualSpeaker should fix the issues related to the lack of a sound
output device which have been noted in iMovie, DVD Studio Pro, and
other applications (including video capture errors, automatic quit
when launching some games and applications which require an audio
output device, crashes when previewing DVD projects, and other
random misfortunes).

This 1.2.1 version corrects an issue with VirtualSpeaker that was
preventing the fix from working for games (and applications) which
use the Carbon SoundManager (the fIsMixable bit was set incorrectly
for the 16 bit virtual audio format).
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