ARC - Downgrade MP3

Yesterday I did a ARC test with my iPhone 11, iFi GoBar and my cellular network provider (Deutsche Telekom - LTE). And it worked very well :slight_smile:

The setting where:

Today I did a new test - but now only MP3:

Than I changed it to:

and now ist plays:



By default ARC streams lossy content when on cellular networks, and lossless on WiFi.

You can set a preference if you go to settings and turn off “Automatically Pick Best Quality”. A couple of options then appear that let you choose the quality.

When doing lossy streaming, I think ARC uses opus for content local to a core, and mp3 from streaming services (at least from Qobuz).

It’s what the streaming services send so MP3 from qobuz aac from tidal.

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