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#Virtual audio cable repeater setup software#
#Virtual audio cable repeater setup windows#

There are several steps involved in getting VAC installed and working properly with PowerSDR. This article has screen shots from the 4.08/4.8 version of VAC Also, screens change significantly from sub-release to sub release, so the ones shown may not be exactly what is the most current.

#Virtual audio cable repeater setup software#

His software which is labeled 4.08 on his web site comes up as 4.8 in the program's About menu.

Note: The program's developer, Eugene has introduced a problem in his version control. You can get information from the VAC Home Page. VAC is written and maintained by Eugene Muzychenko. This allows the user to setup and control the audio parameters of VAC directly from the PowerSDR console. PowerSDR version 1.6.0 (and above) has native support for VAC when using the DRM or DIGIx modes.

#Virtual audio cable repeater setup windows#

WDM/KS Audio technology native for Windows 2k/XP/2k3.

PCM format conversion between clients on either end of the VAC cable.

Signal mixing (with saturation) between output port clients.

Almost no sound latency with maximal interrupt frequency.

Floating point formats are not supported.

Almost any of fixed point PCM audio formats (200.1000000 samples per second, 8.32 bits per sample, 1.8 channels).

VAC version 4.0x is an upgraded version from 3.12.

A computer PCI, Firewire or USB slot is not used.

There are no external cables to degrade the sound quality or possibly pick up RFI.

The entire audio stream is maintained in the digital domain - there is no multiple conversions of the signal from digital to analog and from analog to digital.

There are some significant advantages to using VAC over a second sound card. Virtual Audio Cable (VAC) is a third-party software program that allows the rerouting and the emulation of a sound card in software rather than having to use a second sound card for audio analysis or use with digital mode programs such as MixW and WSJT.