# Audio documentation

Use the audio subsystem to set up and customize audio devices.

## Audio overview

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</svg> Audio components

Learn more about available audio components such as the application processor and low-power AI.

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  <path d="M8 2V14M3.33333 2H12.6667C13.403 2 14 2.59695 14 3.33333V12.6667C14 13.403 13.403 14 12.6667 14H3.33333C2.59695 14 2 13.403 2 12.6667V3.33333C2 2.59695 2.59695 2 3.33333 2Z" stroke="#2A2AEA" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
</svg> Audio architecture

Review audio software architecture to find major audio components.

## Enable audio

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewbox="0 0 16 16" fill="none" aria-label="icon3">
  <path d="M8 2V14M3.33333 2H12.6667C13.403 2 14 2.59695 14 3.33333V12.6667C14 13.403 13.403 14 12.6667 14H3.33333C2.59695 14 2 13.403 2 12.6667V3.33333C2 2.59695 2.59695 2 3.33333 2Z" stroke="#2A2AEA" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
</svg> Set up audio hardware

Configure audio hardware for microphone and speaker connections.

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewbox="0 0 16 16" fill="none" aria-label="icon3">
  <path d="M8 2V14M3.33333 2H12.6667C13.403 2 14 2.59695 14 3.33333V12.6667C14 13.403 13.403 14 12.6667 14H3.33333C2.59695 14 2 13.403 2 12.6667V3.33333C2 2.59695 2.59695 2 3.33333 2Z" stroke="#2A2AEA" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
</svg> Enable audio with GStreamer

Record and play back audio files in WAV, MP3, and FLAC formats.

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewbox="0 0 16 16" fill="none" aria-label="icon3">
  <path d="M8 2V14M3.33333 2H12.6667C13.403 2 14 2.59695 14 3.33333V12.6667C14 13.403 13.403 14 12.6667 14H3.33333C2.59695 14 2 13.403 2 12.6667V3.33333C2 2.59695 2.59695 2 3.33333 2Z" stroke="#2A2AEA" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
</svg> Enable audio with PipeWire

Record and play back audio files using the PipeWire sound server.

## Customize audio use case

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewbox="0 0 16 16" fill="none" aria-label="icon3">
  <path d="M8 2V14M3.33333 2H12.6667C13.403 2 14 2.59695 14 3.33333V12.6667C14 13.403 13.403 14 12.6667 14H3.33333C2.59695 14 2 13.403 2 12.6667V3.33333C2 2.59695 2.59695 2 3.33333 2Z" stroke="#2A2AEA" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
</svg> Configure at the PAL level

Configure audio at the PAL level for PCM or hardware-accelerated formats.

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewbox="0 0 16 16" fill="none" aria-label="icon3">
  <path d="M8 2V14M3.33333 2H12.6667C13.403 2 14 2.59695 14 3.33333V12.6667C14 13.403 13.403 14 12.6667 14H3.33333C2.59695 14 2 13.403 2 12.6667V3.33333C2 2.59695 2.59695 2 3.33333 2Z" stroke="#2A2AEA" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
</svg> Enable TinyALSA-based applications

Configure TinyALSA-based virtual mixer controls.

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewbox="0 0 16 16" fill="none" aria-label="icon3">
  <path d="M8 2V14M3.33333 2H12.6667C13.403 2 14 2.59695 14 3.33333V12.6667C14 13.403 13.403 14 12.6667 14H3.33333C2.59695 14 2 13.403 2 12.6667V3.33333C2 2.59695 2.59695 2 3.33333 2Z" stroke="#2A2AEA" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
</svg> Customize audio graph

Add custom audio graphs to enable audio use cases.

## Troubleshoot audio

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewbox="0 0 16 16" fill="none" aria-label="icon3">
  <path d="M8 2V14M3.33333 2H12.6667C13.403 2 14 2.59695 14 3.33333V12.6667C14 13.403 13.403 14 12.6667 14H3.33333C2.59695 14 2 13.403 2 12.6667V3.33333C2 2.59695 2.59695 2 3.33333 2Z" stroke="#2A2AEA" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
</svg> Capture user space logs

Capture user space logs to identify audio issues.

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewbox="0 0 16 16" fill="none" aria-label="icon3">
  <path d="M8 2V14M3.33333 2H12.6667C13.403 2 14 2.59695 14 3.33333V12.6667C14 13.403 13.403 14 12.6667 14H3.33333C2.59695 14 2 13.403 2 12.6667V3.33333C2 2.59695 2.59695 2 3.33333 2Z" stroke="#2A2AEA" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
</svg> Capture kernel logs

Capture kernel logs to identify audio issues.

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewbox="0 0 16 16" fill="none" aria-label="icon3">
  <path d="M8 2V14M3.33333 2H12.6667C13.403 2 14 2.59695 14 3.33333V12.6667C14 13.403 13.403 14 12.6667 14H3.33333C2.59695 14 2 13.403 2 12.6667V3.33333C2 2.59695 2.59695 2 3.33333 2Z" stroke="#2A2AEA" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
</svg> Analyze logs for record and playback

Analyze audio driver logs to debug record and playback issues.

## Advanced audio features

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewbox="0 0 16 16" fill="none" aria-label="icon3">
  <path d="M8 2V14M3.33333 2H12.6667C13.403 2 14 2.59695 14 3.33333V12.6667C14 13.403 13.403 14 12.6667 14H3.33333C2.59695 14 2 13.403 2 12.6667V3.33333C2 2.59695 2.59695 2 3.33333 2Z" stroke="#2A2AEA" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
</svg> Enable VoIP ECNS

Reduce noise and echo in VoIP.

Last Published: Jan 07, 2026

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Audio overview