Directing Audio

Here we explain how to pipe your system audio directly to LedFx without having to use a microphone or any other peripheral devices.

Linux

Tested on Ubuntu 20.10 64-bit

Requirements

Instructions

  • In the LedFx UI under “Settings” -> “Audio Input”, choose “pulse” as the current device

_images/direct_audio_linux_1.png

  • In PulseAudio Volume Control under “Recording”, choose “ALSA plug-in” and set “Capture from” to the audio stream you want to capture (e.g. “Monitor of Built-in Audio Analog Stereo”)

_images/direct_audio_linux_2.png

macOS

Tested on macOS Catalina 10.15.7

Requirements

Instructions

_images/directing_audio_macos_1.png

  • In Audio MIDI Setup, choose “BlackHole 2ch” and set it as “Input”

_images/directing_audio_macos_2.png

  • In the LedFx UI under “Settings” -> “Audio Input”, choose “BlackHole 2ch” as the current device

_images/directing_audio_macos_3.png

Alternatives

  • Loopback: Can direct the audio output of individual applications but requires expensive license to run more than 20 minutes.