Connect several audio applications together in real time, examine information and configure settings using this advanced software tool

Virtual Audio Cable is an important software tool for the Windows rtl-sdr user. It allows an audio data stream to be piped from a software radio program such as SDRSharp, into a decoding program. Unfortunately Virtual Audio Cable is not free, which is not in the cheap spirit of rtl-sdr, and at $25 it costs more than the dongle itself.

1. Mar 09, 2021 Virtual Audio Cable is essentially a MIDI (musical instrument digital interface) loopback device you can use to connect different applications. Virtual Audio Cable can connect to more than 250.
2. Virtual Audio Cable is a software product based on WDM multimedia driver that allows a user to transfer audio streams from one application to another. Any application is able to send an audio stream to the input side of a 'virtual cable' while a corresponding application can receive this stream from the output side.
3. Virtual Audio Cable is a tool that lets you create a number of virtual audio playback or recording devices, so you can use them with any other program without even the slightest loss in audio quality.
4. Virtual Audio Cable (VAC) is an audio bridge between applications that transmits sounds (audio streams) from app to app, from device to device. VAC creates a set of virtual audio devices. Each device simulates an audio adapter (card) whose output is internally connected to the input, making a loopback.

What's new in Virtual Audio Cable 4.65:

• Fixed a bug introduced in 4.64: KS RT Audio filters didn't expose event driven mode (notification) support, so Windows Audio Engine didn't use short audio buffers.
• Fixed a bug with output top channels confusion on Audio Repeater KS.
• Signal level indicators now display visible levels for any non-silent signal, including a very low noise.
• Double-click on a cable row acts like the 'Cable Info' button.

Read the full changelog

Virtual Audio Cable Obs

Virtual Audio Cable is a multimedia driver designed to connect one or more audio applications in order to transfer audio streams between them.

This software tool introduces the 'virtual cables', which refer to a set of virtual audio devices containing input and output ports. Practically, the input port records the audio signal (from a music player, for example) and sends it to the destination program (such as a sound processor or analyzer) using the output port.

Seemingly simple, yet tricky options

Once you install the driver, you are able to access its control panel in order to configure the working parameters. While the customizatin process might seem easy due to the organized interface, making the application work is quite a challenge. Therefore, before starting, it is strongly recommended to go through all the documentation carefully.

Add and examine cable information

Some of the displayed parameters concern the driver, while others refer to each cable. The first item you can change is the number of virtual cables created by the program. Adding a new one displays a new item in the monitoring pane. You can view the number of detected streams and change the worker thread number and priority.

Personalize some advanced settings

On the other hand, there are various other parameters to configure for each cable. Setting the maximum instances number, the sampling rate and bits per sample range and the channel number are just some of the options that you can modify according to your preferences. You can also enable the stream buffer watermark, volume control, as well as channel mixing.

When the configuration process is over, you need to open an audio producing program that allows you to choose a playback device. The Audio Repeater application is the one that does the actual transfer, from the recording port to the other audio device. If more than one application sends audio streams to Virtual Audio Cable, the driver mixes the signal together.

Conclusion

Although it can be definitely qualified as hard to use, Virtual Audio Cable promises to pass the audio signal with no quality loss and can prove handy once you get the hang of it.

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Virtual Audio Cable was reviewed by Mihaela TeodoroviciLIMITATIONS IN THE UNREGISTERED VERSION

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Virtual Audio Cable 4.65

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runs on:

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file size:

880 KB

filename:

vac465.zip

main category:

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