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Old 03-05-2006, 08:14 AM   #1
hobey
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Registered: Feb 2006
Distribution: SuSE 10.0
Posts: 17

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SUSE 10.0 Trouble controlling/recording from soundcard


Hello all,

the soundcard on my notebook running SUSE 10.0 is giving me a headache. (I'm by no means a Linux expert, but usually some extensive googling leads me to a solution, or in the worst case to an insight to why I won't be able to solve the problem. This time I'm running in circles.)

The good news: YAST did recognize the card during system install, and it does play sound

But in alsamixer, none of the channels in the "capture" view has a slider, except for "IEC958 P" (don't even know what that is for) and "Capture" - this is not what it's supposed to look like, or is it?

I suppose that this might be a reason why I can't seem to find a mixer setting that allows me to use the card e.g. with a VoIP software like kphone or linphone. In alsamixer, I can toggle capture on and off for the "mic" channel, but this alone is not sufficient to get a signal from the microphone. If I additionally toggle capture on for the "capture" channel, and move the "mic" slider in the "playback" (!) tab up, I get a signal from the microphone. But this causes also the PCM signal to be recorded, thus sending a loud echo of their own voice back to whomever I'm telephoning via kphone or linphone.

The card should work correctly in full duplex, as I have tested it with a different OS

Alsamixer reports the card as
Card: SiS SI7012
Chip: Realtek ALC203 rev 0

Here is some more info:

> /sbin/lspci
00:00.0 Host bridge: Silicon Integrated Systems [SiS] 661FX/M661FX/M661MX Host (rev 11)
00:01.0 PCI bridge: Silicon Integrated Systems [SiS] SiS AGP Port (virtual PCI-to-PCI bridge)
00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS963 [MuTIOL Media IO] (rev 25)
00:02.1 SMBus: Silicon Integrated Systems [SiS] SiS961/2 SMBus Controller
00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE]
00:02.6 Modem: Silicon Integrated Systems [SiS] AC'97 Modem Controller (rev a0)
00:02.7 Multimedia audio controller: Silicon Integrated Systems [SiS] Sound Controller (rev a0)
00:03.0 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 Controller (rev 0f)
00:03.1 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 Controller (rev 0f)
00:03.3 USB Controller: Silicon Integrated Systems [SiS] USB 2.0 Controller
00:04.0 Ethernet controller: Silicon Integrated Systems [SiS] SiS900 PCI Fast Ethernet (rev 91)
00:06.0 CardBus bridge: Texas Instruments PCI1410 PC card Cardbus Controller (rev 02)
00:0b.0 Ethernet controller: Atheros Communications, Inc.: Unknown device 001a (rev 01)
01:00.0 VGA compatible controller: Silicon Integrated Systems [SiS] 661/741/760/761 PCI/AGP VGA Display Adapter

> uname -r
2.6.13-15.8-default

I'd be very very thankful for any hint that could lead me ultimately to a solution of this puzzle. If I need to post some additional info, just let me know.
 
Old 04-01-2006, 05:21 PM   #2
pugsley
Member
 
Registered: May 2004
Location: Brisbane Australia
Distribution: SUSE10.1
Posts: 46

Rep: Reputation: 15
Hi Mate,

I have been pondering over the same problem as well. With Suse10.0, the sound card works fine except for capture. With KRecord opening the record level shows zip - even the background shows through! The only way I have been able to get a recording to work is to use qaRecord - clicking the capture box shows the level meter responding and recording works fine. My card is a Cmedia. Interestingly the capture works fine when booted into Mandriva. Still scratching my head on this one as well.

Dave
 
Old 04-02-2006, 05:22 AM   #3
pugsley
Member
 
Registered: May 2004
Location: Brisbane Australia
Distribution: SUSE10.1
Posts: 46

Rep: Reputation: 15
Bingo - try running >aoss skype
Looks like skype uses the oss sound system. >aoss krecord fixed my recording problems as well.

have a look at http://www.novell.com/coolsolutions/feature/16675.html

Cheers
 
  


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