Virtual Audio Cable -

Here are a few options for a review of Virtual Audio Cable (VAC), depending on the tone and platform you need.

What is Virtual Audio Cable?

Think of a physical audio cable: you plug one end into a guitar and the other into an amplifier. Sound flows down the wire.

Virtual Audio Cable does the exact same thing, but entirely in software. It creates a set of "virtual wires" inside your computer. When you send audio to the "output" end of a virtual cable, it instantly appears at the "input" end of the same cable. virtual audio cable

In essence, VAC allows you to route audio from one application to another, as if they were physically connected.

6. Performance & Latency Deep Dive

1. Streaming Without Echo (The OBS & Discord Setup)

This is the classic use case. You want to stream a game on OBS, and you want your viewers to hear your Discord friends. However, you don't want your friends to hear themselves (the dreaded echo loop). Here are a few options for a review

  • The Fix: Set Discord’s Output Device to Virtual Cable A. In OBS, add a new Audio Input Capture and select Virtual Cable A. Now, OBS hears Discord, but your friends don't hear themselves.

Troubleshooting Common Virtual Audio Cable Issues

Even experts run into issues. Here is the troubleshooting checklist.

Step 3: Routing Audio (The "Send" Side)

Open the application that generates audio (e.g., Media Player, Chrome, Discord). The Fix: Set Discord’s Output Device to Virtual Cable A

  • Many modern apps (Windows 11 Settings -> Sound -> Volume Mixer) let you change the output device per app.
  • Set the app's output to Virtual Audio Cable Line 1.

You will stop hearing the audio from your speakers immediately. Don't panic. You have sent it down the "virtual wire."