Quote:
Originally Posted by rich5741
I was referring to the connection between phone and car, and the related compression.
If you connect to the car using Bluetooth Audio using an SBC codec its relatively lossy compression protocol.
Newer bluetooth headphones will use LDAC or AAC or aptX, there are versions of these codecs that are considered lossless. Not sure if BMW Bluetooth supports these codecs.
Even if you have a 192 kHz, 24 bit file on your phone, if the phone then compresses that to a low bandwidth using a lossy codec, you will lose fidelity.
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That was my point. The bandwidth is there, the capability to playback hi-res should be there.
But at the end of the day it's about making sure you've got the right feature set to support high-quality audio and it is a frequent oversight in consumer electronics in general, not just auto.