[pulseaudio-discuss] Bluetooth aptX codec

[ValdikSS]

On 09.08.2018 16:39, ValdikSS wrote:
> On 06.07.2018 13:25, Pali Rohár wrote:
>> I did some investigation and basically this is the list of all known
>> codecs used in A2DP:
>>
>> Mandatory:
>> 0x00 - SBC
>>
>> Optional:
>> 0x01 - MPEG-1,2 (aka MP3)
>> 0x02 - MPEG-2,4 (aka AAC)
>> 0x04 - ATRAC
>>
>> Vendor specific:
>> 0xFF 0x004F 0x01 - aptX
>> 0xFF 0x000A 0x01 - FastStream
>> 0xFF 0x000A 0x02 - aptX Low Latency

aptX Low Latency is also 0xFF 0x00D7 0x02.

>> 0xFF 0x00D7 0x24 - aptX HD
>> 0xFF 0x012D 0xAA - LDAC
>>
>> And also I found some references that some sort of raw 16bit PCM samples
>> via codec id 0x05 are used... But I have never seen such product.
>>
>


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