Virtual Audio Cable

Virtual Audio Cable software allows you to transfer audio (wave) streams between applications and/or devices. winpalace casino euro french

It creates a set of virtual audio devices named “Virtual Cables”, each of them consists of a pair of the waveform input/output devices. Any application can send audio stream to an output side of a cable, and any other application can receive this stream from an input side. All transfers are made digitally, providing NO sound quality loss (a bitperfect streaming).

VAC behavior is similar to “What You Hear” (or “What U Hear”) feature of Sound Blaster Live! and Audigy cards. But it is only similar, not equivalent.

If more than one applications are sending audio to Virtual Cable device, VAC mixes all streams together. If more than one applications are receiving audio from Virtual Cable device, VAC distributes the same audio data among all targets.

VAC is useful to record application’s audio output in real time (audio player, instant messenger or software synthesizer), or transfer a sound stream to another application processing it. You can, for example, use two or more software audio players/generators/synthesizers/sequencers to produce audio streams, sending them to Virtual Cablet device and record a mixed stream from the same Virtual Cable device, using any recording software – Windows Sound Recorder, Audacity, Sound Forge, WaveLab, Adobe Audition (formerly Cool Edit Pro), Gold Wave, Cakewalk/Sonar, Cubase/Nuendo etc.

With an ASIO wrapper like ASIO4ALLLL from Michael Tippach, you can use VAC in ASIO supporting applications.

If you use an audio encoder application that encodes a stream coming from a sound card, you can use VAC to supply such encoder with a stream produced by other application.

You can use VAC to capture an output sound stream from the application that doesn’t allow to write it into WAV file directly. Unlike Total Recorder allowing you to simply save audio stream, VAC allows to route it in real time.

If you are using some Voice Over IP (VoIP) and/or Internet Telephony applications like Skype, you can use VAC to record your calls and conversations.

VAC needs no hardware audio card; it is a “virtual audio card” itself.

A detailed description is included into a free trial package.

Since VAC 4 is a WDM driver, there are some benefits but some (generally older) applications that use MME (waveIn/waveOut) interface can work better with the older VAC3 version. This version also supports Windows 98/ME.

If you need to simply share your In/Out wave ports among several applications under Windows 2000 and earlier Windows versions, take a look to the Wave Clone software.

Caution!
1. Please evaluate the demo version before purchasing the full version to ensure that VAC works properly in your system and satisfies your needs.
2. Under 64-bit Vista and 2008 Server systems, there are driver signature issues. Please read the user manual (vac.chm file) before installation.

system requirements
Windows 2k/XP/2k3/Vista platforms (32-bit and 64-bit)
Any CPU and any amount of RAM enough for operating system

features
Local session only (not available from Remote Desktop).
Native WDM/KS audio technology.
Up 256 Virtual Cables (Windows limits number of MME devices to 32. Number of DirectSound devices is not limited). Trial version is limited to 3 cables only.
1..20 milliseconds per interrupt.
1..100 pin instances.
Almost any of fixed point PCM audio formats (200..1000000 samples per second, 8..32 bits per sample, 1..8 channels). Floating point formats are not supported.
Almost no sound latency with maximal interrupt frequency.
Unlimited number of clients connected to each port.
Signal mixing (with saturation) between output port clients.
PCM format conversion.
Volume control features.
Control Panel application to dynamically configure cables.
Audio Repeater application that transfers from any Wave In to any Wave Out port.

how to install
VAC package is distributed as a ZIP archive. Simply unpack it into an empty folder, run setup.exe (for 32-bit Windows) or setup64.exe (for 64-bit Windows) application and follow the instructions displayed. If you use VAC for the first time, please read the readme.txt and vac.chm files before installation. If you have already installed previous version of VAC 4, don’t forget to uninstall it before installation.

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