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Apple's BT does not apply any additional compression to compressed audio. If you are listening to an MP3 or AAC, it sends the already compressed audio over the
by ogre_codes 6y ago
Apple's BT does not apply any additional compression to compressed audio. If you are listening to an MP3 or AAC, it sends the already compressed audio over the channel so there is no quality loss. If you are listening to uncompressed audio source, I believe it's compressed before it's sent because of limits to Bluetooth bandwidth.