“Does BT audio do some kind of lossy compression?” Yes. Bluetooth audio is never lossless. Proprietary Bluetooth codecs like Sony LPAC or Qualcomm AptX come cl

“Does BT audio do some kind of lossy compression?” Yes. Bluetooth audio is never lossless. Proprietary Bluetooth codecs like Sony LPAC or Qualcomm AptX come close to being lossless, but they’re still lossy.