soundrail
Download

Route audio
between apps.

Soundrail is a Mac app that mixes audio from other apps and your microphones into a virtual audio device. Select that device as the input in any call, streaming or recording app. Add effects, listen on headphones, or record the mix.

A Mac app that mixes app audio and microphones into a virtual device. Select it as the input in any call, streaming or recording app.

Download View on GitHub
macOS 26 or later

Build the mix.

An app, a microphone, an effect, and a place to record.

Route an app.

Capture Browser audio into Podcast Mix. Other apps can now choose Podcast Mix as their input.

1 of 5

Build the mix.

Step 1of 5

Route an app.

Capture Browser audio into Podcast Mix. Other apps can now choose Podcast Mix as their input.

Scroll or use the arrows

Six ways to use Soundrail.

Play a clip in a call.

Send a browser clip and your microphone to one input, so the meeting app sees a single microphone.

  1. Create Call Mix and add your browser and microphone.
  2. Connect both sources to Call Mix.
  3. Choose Call Mix as the microphone in your meeting app.

Avoid an echo: Keep the other participants’ audio out of Call Mix and listen on headphones.

Signal path
Everyone in the call hears the browser clip and your voice.

Soundrail
for macOS.

Setup installs a Core Audio driver and a background service. macOS asks for your password once, and for permission to capture audio from the apps you add as sources. A restart may be needed to finish.

Requires macOS 26 or later.

Download View on GitHub