Media Transformations Audio Mode

[imakelaa]

Added changelog and documentation for Media Transformations- Audio mode

[hyperlint-ai]

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PR Change Summary

Enhanced documentation for Media Transformations by adding audio mode specifications and related details.

• Introduced audio mode for Media Transformations, allowing output in AAC optimized M4A format.
• Updated extraction time and duration specifications to include audio mode.
• Clarified transformation billing to include audio extraction as a transformation.

Modified Files

• src/content/docs/stream/transform-videos/index.mdx

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[tsmith512]

Great structure. I filled in a high level product justification, you're welcome to tweak with your own ideas, too! Thanks for getting this out

[Taxox]

imakelaa:production

[tsmith512]

Migrated to #23883