05-26-2023, 10:20 PM
(05-26-2023, 10:07 PM)TheOldPresbyope Wrote: As a follow-up to my previous post, I followed Jens's instructions to add the extra codecs. Then I paired and connected to my Sennheiser 4.50BT headphones (which contain SBC and aptX codecs)
Code:# check that the codecs are available
pi@moode:~ $ bluealsa-cli status
Service: org.bluealsa
Version: v4.0.0
Adapters: hci0
Profiles:
A2DP-source : SBC AAC aptX aptX-HD LDAC
A2DP-sink : SBC AAC aptX aptX-HD
# check UUID of my headphones
pi@moode:~ $ bluetoothctl info
Device 00:16:94:29:7F:10 (public)
Name: HD 4.50BTNC
Alias: HD 4.50BTNC
Class: 0x00240404
Icon: audio-card
Paired: yes
Trusted: yes
Blocked: no
Connected: yes
...
# look to see which codec was negotiated in the pairing process (noting it's the right UUID)
pi@moode:~ $ gdbus call --system -d org.bluealsa -o /org/bluealsa -m org.bluealsa.Manager1.GetPCMs
({objectpath '/org/bluealsa/hci0/dev_00_16_94_29_7F_10/a2dpsrc/sink': {'Device': <objectpath '/org/bluez/hci0/dev_00_16_94_29_7F_10'>, 'Sequence': <uint32 0>, 'Transport': <'A2DP-source'>, 'Mode': <'sink'>, 'Format': <uint16 33296>, 'Channels': <byte 0x02>, 'Sampling': <uint32 48000>, 'Codec': <'aptX'>, 'Delay': <uint16 150>, 'SoftVolume': <true>, 'Volume': <uint16 32639>}},)
Yay. The "higher" quality aptX codec was selected during the negotiation rather than the SBC.
However, moOde seems to think it's connected to a Bluetooth source rather than sink because the webUI is overlaid with "Bluetooth Active: HD 4.50BTNC" and the Bluetooth control button?!?
Regards,
Kent
Thats strange. Check the audio output setting in Bluetooth Config.
