# Audio recording Source: [https://docs.qualcomm.com/doc/80-70015-50/topic/gst-audio-encode-example-without-flac.html](https://docs.qualcomm.com/doc/80-70015-50/topic/gst-audio-encode-example-without-flac.html) The **gst-audio-encode-example** application encodes audio in FLAC or WAV formats. A common use case for this application can be to encode live audio data for streaming or storage. The figure shows the pipeline, which captures the audio, converts the stream into FLAC or WAV formats, encodes the stream, and stores it in a file. For more information on the plugins used in the pipeline, see [Pipeline flow](https://docs.qualcomm.com/doc/80-70015-50/topic/gst-audio-encode-example-without-flac.html#gst-audio-encode-example-without-flac__section_uj5_4v5_4bc). Figure : gst-audio-encode-example pipeline ![](data:image/png;base64,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) ## Prerequisites - To access your host device, enable SSH. For instructions, see [Use SSH](https://docs.qualcomm.com/bundle/publicresource/topics/80-70015-254/how_to.html#use-ssh). - Enter the SSH shell and run the use cases: ssh root@Copy to clipboard - Enable the display: export XDG_RUNTIME_DIR=/dev/socket/weston && export WAYLAND_DISPLAY=wayland-1Copy to clipboard - Push the files from the host machine: scp root@:/opt/Copy to clipboard ## Use case For this use case, if you have a live audio source (like a microphone or an internet radio stream), you can encode this audio data into a more compact or standardized format for efficient transmission or storage. Do the following to run the use case: 1. To run the application for different audio formats, use the following syntax: `gst-audio-encode-example -o --audio_format=` The table provides a description of the command-line parameters: | Command-line parameter | Description | | --- | --- | | `-o` | Specifies the absolute path to the output audio
file. | | `-format` | Specifies the format of the audio file:

  • 1 = FLAC


  • 2 = WAV


| Run the application for FLAC and WAV audio formats: - Encode FLAC audio: gst-audio-encode-example -o /opt/.flac --audio_format=1Copy to clipboard - Encode WAV audio: gst-audio-encode-example -o /opt/.wav --audio_format=2Copy to clipboard To stop the use case, press CTRL + C. ## Expected output The captured audio is encoded and written to a file based on the chosen format (FLAC or WAV). Pull the files from the host machine: scp root@:/opt/Copy to clipboard ## Pipeline flow In the audio encoding, the pipeline differs slightly based on the encoding format. The table lists the plugins used to run the audio recording pipeline: | Plugin | FLAC | WAV | | --- | --- | --- | | pulsesrc | Captures audio from the system
sound device. | Captures audio from the system
sound device. | | capsfilter | Ensures that the audio is in a format suitable for the FLAC
encoder. | – | | audioconvert | Converts the audio to the required
format. | Converts the audio to the required
format. | |

  • flacenc


  • wavenc


| flacenc encodes the audio into FLAC format. | wavenc encodes the audio into WAV format. | | filesink | Writes the encoded audio to a
file. | Writes the encoded audio to a
file. | **Parent Topic:** [Sample applications for video and audio](https://docs.qualcomm.com/doc/80-70015-50/topic/audio-sample-applications.html) Last Published: Oct 27, 2025 [Previous Topic Audio playback](https://docs.qualcomm.com/bundle/publicresource/80-70015-50/topics/gst-audio-decode-sample.md) [Next Topic Video transformation](https://docs.qualcomm.com/bundle/publicresource/80-70015-50/topics/gst-transform-example.md)