* [Bluez-devel] hardware report for bluetooth-alsa
@ 2006-04-11 22:07 Wayne Stallwood
2006-04-13 14:55 ` Brad Midgley
0 siblings, 1 reply; 3+ messages in thread
From: Wayne Stallwood @ 2006-04-11 22:07 UTC (permalink / raw)
To: bluez-devel
Just built btsco from CVS and I can confirm that it works with the
following hardware.
Hawking Technology HBTC1 USB adapter
Bluetrek G2 headset (volume controls and call button are also detected)
The only problem I have is that the sound from the Bluetrek's mic is
muffled and quiet even if I set Mic volume to 15. It seems to be some
sort of soft clipping issue because from volume 8 to 15 yelds little
change and it is still as quiet (but distorted) if I shout at it.
Performance of the G2's Mic is fine when it is paired with my mobile.
Is there anything I can do to tweak the sound quality or are the quality
issues work in progress ?
Many Thanks for getting me this far
Wayne
hciconfig -a
hci0: Type: USB
BD Address: 00:E0:98:FD:C5:CB ACL MTU: 192:8 SCO MTU: 64:8
UP RUNNING PSCAN ISCAN
RX bytes:3379314 acl:6837 sco:62823 events:6924 errors:0
TX bytes:3307038 acl:6766 sco:62497 commands:44 errors:0
Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'digimatic-0'
Class: 0x3e0100
Service Classes: Networking, Rendering, Capturing, Object
Transfer, Audio
Device Class: Computer, Uncategorized
HCI Ver: 1.1 (0x1) HCI Rev: 0x20d LMP Ver: 1.1 (0x1) LMP Subver:
0x20d
Manufacturer: Cambridge Silicon Radio (10)
sudo hciconfig hci0 revision
hci0: Type: USB
BD Address: 00:E0:98:FD:C5:CB ACL MTU: 192:8 SCO MTU: 64:8
HCI 16.4
Chip version: BlueCore02-External
Max key size: 56 bit
SCO mapping: HCI
hcitool info 00:06:C5:0F:85:90
Requesting information ...
BD Address: 00:06:C5:0F:85:90
Device Name: BlueTrek G2
LMP Version: 1.1 (0x1) LMP Subversion: 0x42c
Manufacturer: Cambridge Silicon Radio (10)
Features: 0xfc 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
<encryption> <slot offset> <timing accuracy> <role
switch>
<hold mode> <sniff mode> <park state> <RSSI> <channel
quality>
<SCO link> <HV2 packets> <HV3 packets> <u-law log>
<A-law log>
<CVSD> <paging scheme> <power control> <transparent SCO>
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^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bluez-devel] hardware report for bluetooth-alsa
@ 2006-04-11 22:09 Wayne Stallwood
0 siblings, 0 replies; 3+ messages in thread
From: Wayne Stallwood @ 2006-04-11 22:09 UTC (permalink / raw)
To: bluez-devel
Just built btsco from CVS and I can confirm that it works with the
following hardware.
Hawking Technology HBTC1 USB adapter
Bluetrek G2 headset (volume controls and call button are also detected)
The only problem I have is that the sound from the Bluetrek's mic is
muffled and quiet even if I set Mic volume to 15. It seems to be some
sort of soft clipping issue because from volume 8 to 15 yelds little
change and it is still as quiet (but distorted) if I shout at it.
Performance of the G2's Mic is fine when it is paired with my mobile.
Is there anything I can do to tweak the sound quality or are the quality
issues work in progress ?
Many Thanks for getting me this far
Wayne
hciconfig -a
hci0: Type: USB
BD Address: 00:E0:98:FD:C5:CB ACL MTU: 192:8 SCO MTU: 64:8
UP RUNNING PSCAN ISCAN
RX bytes:3379314 acl:6837 sco:62823 events:6924 errors:0
TX bytes:3307038 acl:6766 sco:62497 commands:44 errors:0
Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'digimatic-0'
Class: 0x3e0100
Service Classes: Networking, Rendering, Capturing, Object
Transfer, Audio
Device Class: Computer, Uncategorized
HCI Ver: 1.1 (0x1) HCI Rev: 0x20d LMP Ver: 1.1 (0x1) LMP Subver:
0x20d
Manufacturer: Cambridge Silicon Radio (10)
sudo hciconfig hci0 revision
hci0: Type: USB
BD Address: 00:E0:98:FD:C5:CB ACL MTU: 192:8 SCO MTU: 64:8
HCI 16.4
Chip version: BlueCore02-External
Max key size: 56 bit
SCO mapping: HCI
hcitool info 00:06:C5:0F:85:90
Requesting information ...
BD Address: 00:06:C5:0F:85:90
Device Name: BlueTrek G2
LMP Version: 1.1 (0x1) LMP Subversion: 0x42c
Manufacturer: Cambridge Silicon Radio (10)
Features: 0xfc 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
<encryption> <slot offset> <timing accuracy> <role
switch>
<hold mode> <sniff mode> <park state> <RSSI> <channel
quality>
<SCO link> <HV2 packets> <HV3 packets> <u-law log>
<A-law log>
<CVSD> <paging scheme> <power control> <transparent SCO>
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and join the prime developer group breaking into this new coding territory!
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Bluez-devel] hardware report for bluetooth-alsa
2006-04-11 22:07 [Bluez-devel] hardware report for bluetooth-alsa Wayne Stallwood
@ 2006-04-13 14:55 ` Brad Midgley
0 siblings, 0 replies; 3+ messages in thread
From: Brad Midgley @ 2006-04-13 14:55 UTC (permalink / raw)
To: bluez-devel
Wayne
> Is there anything I can do to tweak the sound quality or are the quality
> issues work in progress ?
We could pace the outbound data better in btsco. I'm not sure there is
much else that could help. I'm not very familiar with the kernel layers
involved in sco.
Brad
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2006-04-13 14:55 ` Brad Midgley
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