# Audio plugins Plugins to capture and play the audio streams. - **[pulsesrc](https://docs.qualcomm.com/doc/80-70015-50/topic/pulsesrc.html)** The pulsesrc plugin interacts with the underlying PulseAudio sound server to capture the pulse-coded modulation (PCM) samples. - **[pulsesink](https://docs.qualcomm.com/doc/80-70015-50/topic/pulsesink.html)** The pulsesink plugin interacts with the underlying PulseAudio sound server to play the PCM samples. **Parent Topic:** [Qualcomm GStreamer plugins](https://docs.qualcomm.com/doc/80-70015-50/topic/qim-sdk-plugins.html) Last Published: Oct 27, 2025 [Previous Topic v4l2vp9dec](https://docs.qualcomm.com/bundle/publicresource/80-70015-50/topics/v4l2vp9dec.md) [Next Topic pulsesrc](https://docs.qualcomm.com/bundle/publicresource/80-70015-50/topics/pulsesrc.md)