# Audio recording Source: [https://docs.qualcomm.com/doc/80-70018-50/topic/gst-audio-encode-example-without-flac.html](https://docs.qualcomm.com/doc/80-70018-50/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 about the plugins used in the pipeline, see [Pipeline flow](https://docs.qualcomm.com/doc/80-70018-50/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 - If not already done so, [Download and install eSDK](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-51/install-sdk.html#download-and-install-esdk-). - To access your host device, enable SSH. For instructions, see [Sign in using SSH](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-254/how_to.html#use-ssh). Note: If SSH is enabled, you can skip this step. - Push the files from the Linux host computer. scp root@:/etc/Copy to clipboard - Connect the display to the device using the HDMI port. For instructions, see [Set up HDMI display](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-18/samples.html). - Enable the display: export XDG_RUNTIME_DIR=/dev/socket/weston && export WAYLAND_DISPLAY=wayland-1Copy to clipboard - Connect to the speaker to enable the audio. For instructions, see [Set up audio hardware](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-16/enable-audio.html). If you face issues while enabling camera or display, see [Camera troubleshooting](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-17/troubleshooting.html) and [Display troubleshooting](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-18/debug.html). ## Run the application For this use case, if you have a live audio source (such as 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. 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 display the available help options, run the following command in the SSH shell: gst-audio-encode-example --helpCopy to clipboard To stop the use case, use 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 computer: 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:** [Run sample applications for video and audio](https://docs.qualcomm.com/doc/80-70018-50/topic/audio-sample-applications.html) **Related Resources** - [Audio use cases](https://docs.qualcomm.com/doc/80-70018-50/topic/audio-use-cases.html) Last Published: Jan 30, 2026 [Previous Topic Audio playback](https://docs.qualcomm.com/bundle/publicresource/80-70018-50/topics/gst-audio-decode-sample.md) [Next Topic Video transformation](https://docs.qualcomm.com/bundle/publicresource/80-70018-50/topics/gst-transform-example.md)