Virtual Audio Cable - create virtual sound card device to record any sound
Virtual sound card software allowing to send sound from one application to another
Virtual Audio Cable (Shareware - $25/Windows) - virtual sound card software allowing you to transfer audio (wave) streams between applications and/or devices. Virtual Audio Cable 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). Virtual Audio Cable allow you to record and process output of almost any audio application by almost any other audio application.
Virtual Audio Cable (VAC) behavior is similar to "What You Hear" (or "What U Hear", "Stereo Mix") feature of Sound Blaster Live! and Audigy sound cards. But it is only similar, not equivalent. If you simply need a function like "Stereo Mix" in Windows 8/7/Vista, it might be better to try to enable "Stereo Mix" in your sound card.
If more than one applications are sending audio to Virtual Cable device, Virtual Audio Cable mixes all streams together. If more than one application is receiving audio from Virtual Cable device, Virtual Audio Cable distributes the same audio data among all targets.
Virtual Audio Cable 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 Cable device and record a mixed stream from the same Virtual Cable device, using any recording software including freeware Windows Sound Recorder, Audacity, MP3DirectCut, HardDiskOGG, Freecorder,...
With an ASIO wrapper like ASIO4ALL from Michael Tippach, you can use Virtual Audio Cable in ASIO supporting applications.
If you use an audio encoder application that encodes a stream coming from a sound card, you can use Virtual Audio Cable to supply such an encoder with a stream produced by some other application.
You can use Virtual Audio Cable to capture an output sound stream from the application that doesn't allow to write it into WAV file directly. Unlike Audacity and many other Direct Sound Recording programs that simply allow you to save audio streams, Virtual Audio Cable allows to route them in real time.
If you are using some Voice Over IP (VoIP) and/or Internet Telephony applications like Skype, you can use Virtual Audio Cable to record your calls and conversations.
Virtual Audio Cable needs no physical hardware sound card; it is a "virtual sound card" itself.
Since Virtual Audio Cable 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 VAC 3 version. This version also supports Windows 98/ME.
Main features of Virtual Audio Cable:
- Record any audio from your computer.
- Send any sound from your PC to an audio encoder.
- Control Panel application to dynamically configure cables.
- Volume control features (both attenuation and boost).
- PCM format conversion (sampling rate, bits per sample, number of channels).
- Audio Repeater application that transfers from any Wave In to any Wave Out port.
- 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.
- Almost no sound latency with maximal interrupt frequency.
- Native WDM/KS audio technology.
- Almost any of fixed point PCM audio formats (1'000..1'000'000 samples per second, 8..32 bits per sample, 1..8 channels). Floating point formats are NOT supported.
- Channel scattering/gathering mode.
- 1..20 milliseconds per interrupt/event.
- 1..100 pin instances.
- Unlimited number of clients connected to each port.
- Signal mixing (with saturation) between output port clients.
- Local session only (not available from Remote Desktop).
- Watermark control technique to improve stream stability with unstable applications.
- Free trial (Supports up to 3 cables, Adds female voice reminder each several seconds).
- Windows 8/7/Vista/XP/2003/Server 2008 (32-bit and 64-bit)
- A native hardware or a fully virtualized environment (VMware Server/Workstation, VirtualBox, VirtualPC etc.). With partial virtualization (VPS, Virtuozzo etc.), only host OS installation is possible.
Download a free trial version of Virtual Audio Cable
Buy Virtual Audio Cable at Avantgate for $25-$50. Please pay attention to technical support levels.
Virtual Audio Cable product page
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