New answers tagged a2dp
With Nexus 4 (5.0.1) or Nexus 7 (2012)(4.4.4) devices it is possible to use the developer mode to get the btsnoop_hci.log. "Enable Bluetooth HCI snoop log". It is not necessary to root the devices. It seems that both devices don't offer aptx. I test this with Moto Stream (no aptx) and Philips AEA2500 (with aptx).
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