# Audio documentation Use the audio subsystem to set up and customize audio devices. ## Audio overview Audio components Learn more about available audio components such as the application processor and low-power AI. https://docs.qualcomm.com/doc/80-70018-16/topic/overview.html#audio-overview Audio architecture Review audio software architecture to find major audio components. https://docs.qualcomm.com/doc/80-70018-16/topic/overview.html#architecture ## Enable audio Set up audio hardware Configure audio hardware for microphone and speaker connections. https://docs.qualcomm.com/doc/80-70018-16/topic/enable-audio.html#enable-audio Enable audio with GStreamer Record and play back audio files in WAV, MP3, and FLAC formats. https://docs.qualcomm.com/doc/80-70018-16/topic/enable-audio.html#enable-gstreamer Enable audio with PulseAudio Record and play back audio files using the PulseAudio sound server. https://docs.qualcomm.com/doc/80-70018-16/topic/enable-audio.html#enable-pulseaudio ## Customize audio use case Configure at the PAL level Configure audio at the PAL level for PCM or hardware-accelerated formats. https://docs.qualcomm.com/doc/80-70018-16/topic/pal.html#pal Enable TinyAlsa-based applications Configure TinyAlsa-based virtual mixer controls. https://docs.qualcomm.com/doc/80-70018-16/topic/tinyalsa.html#tinyalsa Customize audio graph Add custom audio graphs to enable audio use cases. https://docs.qualcomm.com/doc/80-70018-16/topic/agm.html#customize-audio-graph ## Troubleshoot audio Capture user space logs Capture user space logs to identify audio issues. https://docs.qualcomm.com/doc/80-70018-16/topic/troubleshoot.html#capture-logs Capture kernel logs Capture kernel logs to identify audio issues. https://docs.qualcomm.com/doc/80-70018-16/topic/troubleshoot.html#capture-logs Analyze logs for record and playback Analyze audio driver logs to debug record and playback issues. https://docs.qualcomm.com/doc/80-70018-16/topic/troubleshoot.html#log-analysis ## Advanced audio features Enable VoIP ECNS Reduce noise and echo in VoIP. https://docs.qualcomm.com/doc/80-70018-16/topic/features.html#fluence-6490 Compress offload playback Decode compressed audio streams in low-power AI. https://docs.qualcomm.com/doc/80-70018-16/topic/features.html#compress-offload-playback-6490 Enable A2DP source and sink Encode or decode audio using A2DP source and sink. https://docs.qualcomm.com/doc/80-70018-16/topic/features.html#a2dp-6490 Last Published: Aug 13, 2025 [Next Topic Audio overview](https://docs.qualcomm.com/bundle/publicresource/80-70018-16/topics/overview.md)