not sure why you have three playback devices it is strange that there are no capture device 0
you may need to send email to alsa-devel mailing list http://www.asus.com/Sound_Cards_and_DigitaltoAnalog_Converters/Xonar_U7/#specifications Analog Output 4 x 3.5 mm jack (1/8") (Headphone out /Side out/Center-Subwoofer out/Rear out) 2 x RCA (Un-Balanced) Analog Input 1 x 3.5 mm jack (1/8") (Line-in/ Mic-in combo) Digital 1 x S/PDIF out (1 x Coaxial) APLAY **** List of PLAYBACK Hardware Devices **** card 1: U7 [Xonar U7], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: U7 [Xonar U7], device 1: USB Audio [USB Audio #1] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: U7 [Xonar U7], device 2: USB Audio [USB Audio #2] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: U7 [Xonar U7], device 1: USB Audio [USB Audio #1] Subdevices: 1/1 Subdevice #0: subdevice #0 http://git.alsa-project.org/?p=alsa- lib.git;a=blob_plain;f=test/chmap.c;hb=HEAD state.Device { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM device 1 name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'PCM Playback Switch' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.5 { iface MIXER name 'PCM Playback Volume' value.0 107 value.1 107 value.2 107 value.3 107 value.4 107 value.5 107 value.6 107 value.7 107 comment { access 'read write' type INTEGER count 8 range '0 - 127' dbmin -12700 dbmax 0 dbvalue.0 -2000 dbvalue.1 -2000 dbvalue.2 -2000 dbvalue.3 -2000 dbvalue.4 -2000 dbvalue.5 -2000 dbvalue.6 -2000 dbvalue.7 -2000 } } control.6 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.7 { iface MIXER name 'Line Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface MIXER name 'PCM Capture Source' value Mic comment { access 'read write' type ENUMERATED count 1 item.0 Mic item.1 Line } } } -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1267866 Title: Broken pipelline when changing the sound card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1267866/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
