http://ubuntuforums.org/showpost.php?p=9385594&postcount=4
may be device 1 is also used for spdif on you x-fi pro, so you need to define the device of iec958 and you have to send email to [email protected] about the name "Pro" or "SB X-Fi" or " SB X-Fi Surround 5.1 Pro" card 1: Pro [SB X-Fi Surround 5.1 Pro], device 1: USB Audio [USB Audio #1] Subdevices: 1/1 !-------Mixer controls for card 1 [Pro] Card hw:1 'Pro'/'Creative Technology Ltd SB X-Fi Surround 5.1 Pro at usb-0000:0b:00.0-1, full sp' Mixer name : 'USB Mixer' Components : 'USB041e:30df' Controls : 1 Simple ctrls : 1 Simple mixer control 'Power LED',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] # If a device does not use the first PCM device for digital data, the device # number for the iec958 device can be changed here. USB-Audio.pcm.iec958_device { # "NoiseBlaster 3000" 42 + "SB X-Fi" 1 + "Pro" 1 # The below don't have digital in/out, so prevent them from being opened. "Blue Snowball" 999 "Logitech Speaker Lapdesk N700" 999 "Logitech USB Headset" 999 "Logitech Wireless Headset" 999 "Plantronics GameCom 780" 999 "Plantronics USB Headset" 999 "Plantronics Wireless Audio" 999 "SB WoW Headset" 999 "Sennheiser USB headset" 999 "USB Device 0x46d:0x992" 999 } -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1051665 Title: [USB-Audio - SB X-Fi Surround 5.1 Pro, playback] Underruns, dropouts or crackling sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1051665/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
