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Virtual Audio Cable

By Eugene Muzychenko Free to try Editors' Rating

Key Details of Virtual Audio Cable

  • Create pairs of multi client devices for WAV files
  • Last updated on 10/15/18
  • There have been 0 updates within the past 6 months
  • The current version has 0 flags on VirusTotal badge_icon

Editors' Review Staff Feb 12, 2015

Virtual Audio Cable installs software audio input and output interfaces on your PC that can be used to take the sound coming from one app and turn it into microphone input for another. The software is odd in that there is no main window where you can pair input and output apps together; it is instead done right from those apps' settings.


Deep Windows integration: Each "cable" that Virtual Audio Cable installs is actually a pair of software input and output devices. This setup is completely independent of your actual microphone and loudspeakers, not relying on them in any way -- so much so that you can use this software even on a machine that has no hardware audio input and output devices.

Advanced cable settings: There is a control panel where you can customize the sound that's traveling through the virtual cables, including specifying the number of worker threads, the audio format range, the number of cables, and controlling the stream buffer. We recommend trying the default settings and using the control panel only if necessary; also, make sure that your PC exceeds Windows' minimum hardware requirements or your audio may stutter.


A steep learning curve: Since the software operates in an unusual way from the vast majority of apps, it is vital that a quality tutorial is made available on first launch. Unfortunately, that's not the case; you're left with a documentation that has its most informative section, Usage Examples, buried near the end of it.

Not all apps are compatible: Due to its mode of operation, which requires that you search for audio input/output options in the settings pane of third-party apps, this software is incompatible with any third-party apps that don't allow custom audio input/output sources to be set.

Dangerous software upgrades: Be sure to uninstall your current version of the software if you intend to install an updated one. Not doing so will mess up your virtual cables.

Bottom Line

Although a powerful piece of software, Virtual Audio Cable lacks intuitiveness. Even its documentation is not structured optimally, as it is there to provide a college course in audio input/output technologies rather than get you up and running in as little time as possible.

Editors' note: This is a review of the trial version of Virtual Audio Cable 4.14.

Full Specifications

What's new in version 4.62

Version 4.62: Fixed Audio Repeater bug that caused hangup on device disconnection. Added top speaker channel support. Added signal processing mode support. Replaced independent cable clock sources with a single kernel timer to allow multiple cables to be coherent. Fixed a bug in calculation of minimal cable event period (Cable Info window). Fixed a bug in WaveRT capture stream processing that caused data loss on short buffering time. Increased cable clock calculation precision, eliminating error accumulation. Increased clock register bitness up to 64 and precision up to QPC resolution. Added workaround for audio device properties confusion due to permanent property caching in Win10. Cumulative algorithm for actual sampling rate calculation. Added Sound Settings and Microphone Privacy buttons to the Control Panel. Added Microphone Privacy reminders to Audio Repeater and Control Panel. Changed signal level indicators from linear to logarithmic for better visibility. Added gauge coloring to Audio Repeater windows. Added automatic uninstaller launching feature to the setup application. Added default endpoint checking feature to the setup application. In the setup application, using more reliable device uninstallation algorithm. Clarified names of System Audio Engine and Audio Service. Added feature-limited free version. Removed three-cable limitation from trial version.


Release January 22, 2020
Date Added January 22, 2020
Version 4.62

Operating Systems

Operating Systems Windows 10, Windows 2003, Windows 8, Windows Vista, Windows, Windows Server 2016, Windows Server 2008, Windows 7, Windows XP
Additional Requirements None


Total Downloads 672,562
Downloads Last Week 168
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Developer's Description

Virtual Audio Cable connects audio applications together in real time. It's like a sound card with hardwired input and output: when an application sends an audio stream to a virtual cable, other applications can record this stream from the other cable end. Thus, you can record and process output of almost any audio application by almost any other audio application.