From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Tue, 24 Apr 2007 06:02:39 -0700 (PDT) From: walt shekrota To: BlueZ users In-Reply-To: MIME-Version: 1.0 Message-ID: <904725.56342.qm@web62313.mail.re1.yahoo.com> Subject: Re: [Bluez-users] headset and input noise Reply-To: BlueZ users List-Id: BlueZ users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0423674304==" Sender: bluez-users-bounces@lists.sourceforge.net Errors-To: bluez-users-bounces@lists.sourceforge.net --===============0423674304== Content-Type: multipart/alternative; boundary="0-1733945936-1177419759=:56342" Content-Transfer-Encoding: 8bit --0-1733945936-1177419759=:56342 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Hi, may sound silly but did you mute 'line' in alsamixer? If you have a device it can cause static. I have a TV card. You may have a capture builtin your laptop. -Walt Adam Dixon wrote: Hello All. I have bluetooth going on my laptop, and have got btsco working with my X3 micro bt headset. However I get mass static / noise from the input randomly. I have reproduced on skype, twinkle and now on arecord. So currently I dont want to use it for the phone (its intended use). I have searched the list, and found some people having reference the 'noise', but found no clear fix. I followed a guide to get everything installed and this is how I bring up my headset; hcitool cc 00:0F:79:04:7A:11 modprobe snd_bt_sco (not done if already loaded) hciconfig hci0 voice 0x0060 btsco 00:0F:79:04:7A:11 Has anyone had this problem and know how to get around it? As I am very happy with it other wise. If anyone could lend a hand that would be great. Adam Some information; btsco v0.5c uname -a Linux dixon 2.6.20-1.2933.fc6 #1 SMP Mon Mar 19 11:00:19 EDT 2007 x86_64 x86_64 x86_64 GNU/Linux hciconfig -a hci0: Type: USB BD Address: 00:1A:6B:1E:E9:A6 ACL MTU: 384:8 SCO MTU: 64:8 UP RUNNING PSCAN RX bytes:6909425 acl:20 sco:135398 events:111 errors:0 TX bytes:6889503 acl:18 sco:135074 commands:57 errors:5 Features: 0xff 0xff 0x9f 0xfe 0x9b 0xf9 0x00 0x80 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH HOLD SNIFF PARK Link mode: SLAVE ACCEPT Name: 'dixon-0' Class: 0x120104 Service Classes: Networking, Object Transfer Device Class: Computer, Desktop workstation HCI Ver: 2.0 (0x3) HCI Rev: 0xdd2 LMP Ver: 2.0 (0x3) LMP Subver: 0xdd2 Manufacturer: Cambridge Silicon Radio (10) hciconfig hci0 revision hci0: Type: USB BD Address: 00:1A:6B:1E:E9:A6 ACL MTU: 384:8 SCO MTU: 64:8 Build 3538 Chip version: BlueCore4-External Max key size: 56 bit SCO mapping: HCI hcitool scan Scanning ... 00:0F:79:04:7A:11 X3 micro hcitool info 00:0F:79:04:7A:11 Requesting information ... BD Address: 00:0F:79:04:7A:11 Device Name: X3 micro LMP Version: 1.2 (0x2) LMP Subversion: 0x610 Manufacturer: Cambridge Silicon Radio (10) Features: 0xfc 0xff 0x0f 0x00 0x08 0x08 0x00 0x00 ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Bluez-users mailing list Bluez-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bluez-users --------------------------------- Ahhh...imagining that irresistible "new car" smell? Check outnew cars at Yahoo! Autos. --0-1733945936-1177419759=:56342 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Hi,

may sound silly but did you mute 'line' in alsamixer? If you have a device it can
cause static. I have a TV card. You may have a capture builtin your laptop.

-Walt

Adam Dixon <adamtdixon@gmail.com> wrote:
Hello All.

I have bluetooth going on my laptop, and have got btsco working with
my X3 micro bt headset. However I get mass static / noise from the
input randomly.
I have reproduced on skype, twinkle and now on arecord. So currently I
dont want to use it for the phone (its intended use).

I have searched the list, and found some people having reference the
'noise', but found no clear fix.

I followed a guide to get everything installed and this is how I bring
up my headset;
hcitool cc 00:0F:79:04:7A:11
modprobe snd_bt_sco (not done if already loaded)
hciconfig hci0 voice 0x0060
btsco 00:0F:79:04:7A:11

Has anyone had this problem and know how to get around it? As I am
very happy with it other wise. If anyone could lend a hand that would
be great.

Adam



Some information;

btsco v0.5c

uname -a
Linux dixon 2.6.20-1.2933.fc6 #1 SMP Mon Mar 19 11:00:19 EDT 2007
x86_64 x86_64 x86_64 GNU/Linux

hciconfig -a
hci0: Type: USB
BD Address: 00:1A:6B:1E:E9:A6 ACL MTU: 384:8 SCO MTU: 64:8
UP RUNNING PSCAN
RX bytes:6909425 acl:20 sco:135398 events:111 errors:0
TX bytes:6889503 acl:18 sco:135074 commands:57 errors:5
Features: 0xff 0xff 0x9f 0xfe 0x9b 0xf9 0x00 0x80
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'dixon-0'
Class: 0x120104
Service Classes: Networking, Object Transfer
Device Class: Computer, Desktop workstation
HCI Ver: 2.0 (0x3) HCI Rev: 0xdd2 LMP Ver: 2.0 (0x3) LMP Subver: 0xdd2
Manufacturer: Cambridge Silicon Radio (10)

hciconfig hci0 revision
hci0: Type: USB
BD Address: 00:1A:6B:1E:E9:A6 ACL MTU: 384:8 SCO MTU: 64:8
Build 3538
Chip version: BlueCore4-External
Max key size: 56 bit
SCO mapping: HCI

hcitool scan
Scanning ...
00:0F:79:04:7A:11 X3 micro

hcitool info 00:0F:79:04:7A:11
Requesting information ...
BD Address: 00:0F:79:04:7A:11
Device Name: X3 micro
LMP Version: 1.2 (0x2) LMP Subversion: 0x610
Manufacturer: Cambridge Silicon Radio (10)
Features: 0xfc 0xff 0x0f 0x00 0x08 0x08 0x00 0x00






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Ahhh...imagining that irresistible "new car" smell?
Check out new cars at Yahoo! Autos. --0-1733945936-1177419759=:56342-- --===============0423674304== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ --===============0423674304== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Bluez-users mailing list Bluez-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bluez-users --===============0423674304==--