Every computer operating system treats audio through designated inputs (like microphones) and outputs (like speakers). When you need to send audio directly between software programs—such as sending a Spotify stream or Discord call directly into OBS Studio—traditional Windows settings fall short.
Click the Install Driver prompt within the deployment window. Accept any operating system security challenges requesting driver verification.
Its primary function is to route audio from one application to another. Think of it as a virtual patch cord: any audio sent to the "CABLE Input" (the playback device) is instantly forwarded to the "CABLE Output" (the recording device). This allows you to, for example, capture the audio from a media player directly into a digital audio workstation (DAW) or broadcast a game's sound through a streaming application like OBS Studio.
All these files are required for a successful and secure installation. Vbcable-a-driver-pack43.zip
: Runs natively across Windows XP up to Windows 11, utilizing a multi-format audio engine that supports MME, DX, WDM, WASAPI, and KS interfaces. Key Technical Specifications Specification Supported OS Windows XP, 7, 8, 8.1, 10, and 11 (32/64-bit) Sampling Rates 8 kHz to 192 kHz Latency Management Automatic re-buffering and time-drift/drop detection Channel Config Supports stereo up to 8-channel multi-channel layouts Step-by-Step Installation Guide
When you install this pack, your system gains a new pair of audio devices: Seen as a playback device in Windows. Virtual Output A: Seen as a recording device in Windows.
The contains the "Cable A" donationware driver, allowing you to route a second, completely separate audio signal between applications on Windows. What is it for? This allows you to, for example, capture the
Make sure you are running the installer explicitly as an Administrator. Turn off any aggressive third-party antivirus software temporarily during installation, as they can block virtual driver registration. Issue 3: No Audio is Passing Through
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Inside the folder, you will see several files. You must select the correct installer based on your Windows version: For full installation instructions
Virtual audio routing is a necessity for complex media production setups. Common real-world implementations include: VB-Audio Virtual Apps
Route audio in complex chains without causing feedback loops.
Under Global Audio Devices , find an unused slot.
: Supports up to 8 channels by default for Windows compatibility, though it can technically support up to 32 audio channels. Package Contents
These two drivers function as two independent virtual audio cables, enabling more complex audio routing between multiple applications. For full installation instructions, each ZIP file includes its own setup executable, which must be run with administrator privileges.