2005-06-29 13:14:26

by Laurent Lesage

[permalink] [raw]
Subject: [Bluez-users] problem using skype + BT headset, Linux OS

Hi all,

back again with a persistent problem. It seems specific with this
"assembly" (?) : Linux OS + BT headset + skype. In fact there is no
problem when I use the headset to listen : the problem is when I use the
microphone. The first time I set up btsco, and use Skype (or other phone
client), the micrphone creates a terrible noise. I hangup. I reconnect.
Generally, this is OK. (don't know why it doesn't work the first time).
But with skype, the problem appears again. I can place one or two calls,
then the noise appear and my peer does not hear anything he could
understand. After that, I often get this error with "btsco -v"

> i/o needed: connecting sco...
> Can't connect SCO audio channel
> : Software caused connection abort
>
>

while with hcidump, nothing is visible. I just see the dump of the last
call:

> > SCO data: handle 44 dlen 48
> > SCO data: handle 44 dlen 48
> > SCO data: handle 44 dlen 48
> > SCO data: handle 44 dlen 48
> > SCO data: handle 44 dlen 48
> > SCO data: handle 44 dlen 48
> > SCO data: handle 44 dlen 48
> > SCO data: handle 44 dlen 48
> > SCO data: handle 44 dlen 48
>

I remeber someone had a similar problem a few days ago. Any idea? A bug?

thanks

Laurent




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2005-07-04 04:31:26

by Brad Midgley

[permalink] [raw]
Subject: Re: [Bluez-users] problem using skype + BT headset, Linux OS

yes, there is a "noisy microphone" bug in our sourceforge list. I
suspect it's happening somewhere other than btsco (the daemon) and btsco
(the kernel module)

[email protected] wrote:
> Hi all,
>
> back again with a persistent problem. It seems specific with this
> "assembly" (?) : Linux OS + BT headset + skype. In fact there is no
> problem when I use the headset to listen : the problem is when I use the
> microphone. The first time I set up btsco, and use Skype (or other phone
> client), the micrphone creates a terrible noise. I hangup. I reconnect.
> Generally, this is OK. (don't know why it doesn't work the first time).
> But with skype, the problem appears again. I can place one or two calls,
> then the noise appear and my peer does not hear anything he could
> understand. After that, I often get this error with "btsco -v"
>
>> i/o needed: connecting sco...
>> Can't connect SCO audio channel
>> : Software caused connection abort
>>
>>
>
> while with hcidump, nothing is visible. I just see the dump of the last
> call:
>
>> > SCO data: handle 44 dlen 48
>> > SCO data: handle 44 dlen 48
>> > SCO data: handle 44 dlen 48
>> > SCO data: handle 44 dlen 48
>> > SCO data: handle 44 dlen 48
>> > SCO data: handle 44 dlen 48
>> > SCO data: handle 44 dlen 48
>> > SCO data: handle 44 dlen 48
>> > SCO data: handle 44 dlen 48
>>
>
> I remeber someone had a similar problem a few days ago. Any idea? A bug?
>
> thanks
>
> Laurent
>
>
>
>
> -------------------------------------------------------
> SF.Net email is sponsored by: Discover Easy Linux Migration Strategies
> from IBM. Find simple to follow Roadmaps, straightforward articles,
> informative Webcasts and more! Get everything you need to get up to
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> _______________________________________________
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