# Audio

The TelSDK audio APIs provides support for device and stream management, transcoding, recording/playing audio, voice call and DTMF tone generation/detection etc.

- [Audio manager and stream](https://docs.qualcomm.com/doc/80-PF458-9/topic/audio_manager_api.html)
- [Playback session](https://docs.qualcomm.com/doc/80-PF458-9/topic/audio_manager_playback.html)
- [Capture session](https://docs.qualcomm.com/doc/80-PF458-9/topic/audio_manager_capture.html)
- [Loopback session](https://docs.qualcomm.com/doc/80-PF458-9/topic/audio_manager_loopback.html)
- [Tone generation](https://docs.qualcomm.com/doc/80-PF458-9/topic/audio_manager_tonegenerator.html)
- [Voice call session](https://docs.qualcomm.com/doc/80-PF458-9/topic/audio_manager_voicecall_start_stop.html)
- [Volume and mute controls](https://docs.qualcomm.com/doc/80-PF458-9/topic/audio_manager_voicecall_volume_mute.html)
- [Switching audio device](https://docs.qualcomm.com/doc/80-PF458-9/topic/audio_manager_voicecall_device_switch.html)
- [Play DTMF tone](https://docs.qualcomm.com/doc/80-PF458-9/topic/audio_voicecall_dtmf_play.html)
- [Detect DTMF tones](https://docs.qualcomm.com/doc/80-PF458-9/topic/audio_voicecall_dtmf_detect.html)
- [Transcoding samples](https://docs.qualcomm.com/doc/80-PF458-9/topic/audio_transcoding_operation.html)
- [Compressed format playback](https://docs.qualcomm.com/doc/80-PF458-9/topic/compressed_audio_format_playback.html)
- [Playback on voice paths](https://docs.qualcomm.com/doc/80-PF458-9/topic/compressed_audio_format_playback_on_voice_paths.html)

Last Published: Aug 05, 2026

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