wempwer@xxxxxxxxx wrote: > Today, I was able to reproduce a situation with `arecord' not > recording any sound without giving a device name explicitly. > > $ arecord -v -f dat -d 3 test.wav > Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo > Plug PCM: Linear conversion PCM (S32_LE) > ... > Slave: Soft volume PCM > Control: Digital Capture Volume > ... > Slave: Direct Snoop PCM > ... > Hardware PCM card 0 'HDA ATI SB' device 0 subdevice 0 > ... > > The above does not produce any sound. In contrary, this does: > > $ arecord -v -f dat -d 3 test.wav -D hw:0,0 > Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo > Hardware PCM card 0 'HDA ATI SB' device 0 subdevice 0 > ... > > These outputs are verry different. The only relevant differnece is the Soft volume plugin. Check the value of the "Digital" mixer control. > when linphone starts it prints these: > > ALSA lib conf.c:4630:(snd_config_expand) Unknown parameters 0 > ALSA lib control.c:882:(snd_ctl_open_noupdate) Invalid CTL default:0 > ALSA lib conf.c:4630:(snd_config_expand) Unknown parameters 1 > ALSA lib control.c:882:(snd_ctl_open_noupdate) Invalid CTL default:1 The "default" devices were redefined without the card parameter. Regards, Clemens ------------------------------------------------------------------------------ Sponsored by Intel(R) XDK Develop, test and display web and hybrid apps with a single code base. Download it for free now! http://pubads.g.doubleclick.net/gampad/clk?id=111408631&iu=/4140/ostg.clktrk _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user