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If you are familiar with using ffmpeg FFmpeg for transcoding, we recommend using the following parameters for creating a PROXY_MP4 datastream: -acodec aac -ar 44100
Invoking ffmpeg with these parameters should result in AAC files using the AAC-LE profile, with 44,100 Hz sampling frequency (CD Audio standard).

See Manipulating A/V files with FFmpeg for a guide on how to use FFmpeg to convert/transcode audio and video files.

System-generated

Depending on the ingest method (manual or batch) and the type of content that is ingested to the DAMS (see Content models), the DAMS will automatically create some datastreams.

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