Comments (4)
I would like to add that I just tested my hardware in a virtual machine with a distribution called Zenwalk, which incorporates SBC XQ patches to pulseaudio. Using the exact same bluetooth dongle, the Bose 700 headphones do connect in Dual Channel with 16/8 bands/lenghth and a Bitpool of 38. Quality is noticeably superior to regular SBC.
Therefore the headphones and dongle do support the higher SBC quality settings.
I can only conclude that there is an issue with way the software interacts with the hardware, but I am unable to resolve the problem.
Any pointers would be much appreciated.
Thanks again for creating this module, and looking forward to any suggestion :)
from pulseaudio-modules-bt.
Hello
It seems no one can help so I am closing this issue.
I decided to use Pali's improvements instead, and they work well without issue for my setup:
https://gitlab.freedesktop.org/kapiwko/pulseaudio/-/issues/1
Thanks again for creating this module.
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Just adding that I have the same headphones and using the settings listed above I see the same issue.
From btmon
:
< ACL Data TX: Handle 256 flags 0x00 dlen 18 #1271 [hci0] 14.903443
Channel: 1093 len 14 [PSM 25 mode Basic (0x00)] {chan 0}
AVDTP: Set Configuration (0x03) Command (0x00) type 0x00 label 9 nosp 0
ACP SEID: 1
INT SEID: 5
Service Category: Media Transport (0x01)
Service Category: Media Codec (0x07)
Media Type: Audio (0x00)
Media Codec: SBC (0x00)
Frequency: 44100 (0x20)
Channel Mode: Joint Stereo (0x01)
Block Length: 16 (0x10)
Subbands: 8 (0x04)
Allocation Method: Loudness (0x01)
Minimum Bitpool: 2
Maximum Bitpool: 53
from pulseaudio-modules-bt.
Just adding that I have the same headphones and using the settings listed above I see the same issue.
From
btmon
:< ACL Data TX: Handle 256 flags 0x00 dlen 18 #1271 [hci0] 14.903443 Channel: 1093 len 14 [PSM 25 mode Basic (0x00)] {chan 0} AVDTP: Set Configuration (0x03) Command (0x00) type 0x00 label 9 nosp 0 ACP SEID: 1 INT SEID: 5 Service Category: Media Transport (0x01) Service Category: Media Codec (0x07) Media Type: Audio (0x00) Media Codec: SBC (0x00) Frequency: 44100 (0x20) Channel Mode: Joint Stereo (0x01) Block Length: 16 (0x10) Subbands: 8 (0x04) Allocation Method: Loudness (0x01) Minimum Bitpool: 2 Maximum Bitpool: 53
Pali's solution linked above works. It involves replacing pulsaudio altogether.
You can also scrap Pulseaudio and go with bluez-alsa:
https://github.com/Arkq/bluez-alsa
Both alternative solutions allow Bose 700 to work in Dual Channel SBC XQ.
from pulseaudio-modules-bt.
Related Issues (20)
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- unsupported codecs on QCC3020 device HOT 5
- [BUG] unable to create file src/modules/alsa/mixer/samples/USB Device 0x46d:0x9a4--USB Mixer: Invalid argument HOT 2
- Get it into official repositories HOT 4
- Pipewire coming to Fedora HOT 10
- Donations HOT 1
- Support for changing AAC frequency cutoff HOT 1
- Errors when trying to use SBC HOT 1
- [BUG] HOT 1
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