Re: iOS PacketLogger trace misses AAC audio data
Re: iOS PacketLogger trace misses AAC audio data
- Subject: Re: iOS PacketLogger trace misses AAC audio data
- From: Matt Gillette via Bluetooth-dev <email@hidden>
- Date: Thu, 02 Jul 2020 10:52:28 -0700
Audio data is not captured for privacy reasons. There is no way to capture the
audio data without an over the air trace with a hardware sniffer.
Matt
> On Jul 2, 2020, at 5:24 AM, Matthias Ringwald via Bluetooth-dev
> <email@hidden> wrote:
>
> Hi all
>
> Is it correct that the PacketLogger and/or iOS drops the A2DP AAC audio data
> when recording a trace via the Bluetooth debugging profile via USB-Lightning
> Connector? If yes, is there a way to actually get the AAC data?
>
> Longer explanation: our Bluetooth stack is sending the AVRCP SetAbsVolume
> Command to the Jawbone Mini Jambox (a Bluetooth speaker) and also gets a
> positive response, but the volume doesn't change. When iOS connects to it, we
> can see similar SetAbsVolume Commands, but of course, volume works as
> expected. When our stacks implements an A2DP Sink, iOS sends us the
> unmodified audio + SetAbsVolume. To finally figure out what's going on, I
> wanted to extract the audio data from the iOS trace to see if a) the audio
> signal is modified with the current volume, or, b) it is send at full volume,
> but the SetAbsVolume Command does what's expected from it.
>
> Best regards
> Matthias
> _______________________________________________
> Do not post admin requests to the list. They will be ignored.
> Bluetooth-dev mailing list (email@hidden)
> Help/Unsubscribe/Update your Subscription:
>
> This email sent to email@hidden
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Bluetooth-dev mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden