Quote:
Originally Posted by Nahlem
The biggest problem with any wireless connection is it ain't stable as wired connection, for me using Bluetooth/car play vs using the USB port, there is a significant drop to audio quality when listening to music from sources like spotify or google music.
Could be my imagination or not but i have tested this out in the garage with as little background noises as possible and tried both and the audio from USB wired connection vs the Car play/Bluetooth and imo there is an enormous in difference, now this could be fixed with the newest Bluetooth coding that is coming soon but i doubt we will see that in BMW cars anytime soon, so for me the USB sound > Bluetooth Sound any day of the week for now until the new Bluetooth codecs come but i don't think we will see that in any BMW car until 2025 or so.
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If I understand correctly, AC wireless in BMWs actually uses WiFi for audio except phone call which uses BT. That is why the audio sounds significantly better than most BT audio even with some of the newer protocols like APT-X. Higher data rate/bandwidth but pretty prone to problems with interference in my experience. If you can hear a difference I'll have to test it out for myself. I just attributed the low quality to the generally poor quality of streaming audio that is intentional for cost savings and data usage/storage reduction.
Quote:
Originally Posted by IK6SPEED
Bluetooth has limited bandwidth so quality is not as good.
Steve Wozniak has complained about this for years.
Google it.
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Very true, but for the reasons I state above, this is probably not the issue here.