On Sunday 07 December 2008, you wrote: > > For info, my speakers are fed by a normal PCI soundcard (an Audigy) > > through a hifi amplifier. The headset is a fairly generic USB model. > > I'm on Ubuntu Hardy. > > Not sure what your system is. YOu do not tell us. Many soundcards have > only one output-- the line out. Thus you can uplub the headphoens and pub > in speakers. But if that is not your situation, you might want to tell > us. For example your computer might be a laptop with an internal PC > speaker On some there is a hardware switch inside which kills the pc > speaker when the headphones are plugged in. Thus uplugging the headphones > would do what you wanted. Ok, more information (some of this is repeated from my text quoted bit above). The soundcard is a Soundblaster Audigy plugged into a PCI slot, identified on lspic as: 00:0c.0 Multimedia audio controller: Creative Labs SB Audigy (rev 04) The headset is a generic usb one (so it doesn't use the soundcard at all). lsusb says: Bus 004 Device 002: ID 0d8c:000c C-Media Electronics, Inc. Audio Adapter running aplay -l **** List of PLAYBACK Hardware Devices **** card 0: Audigy2 [Audigy 2 [SB0240]], device 0: emu10k1 [ADC Capture/Standard PCM Playback] Subdevices: 31/32 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 Subdevice #8: subdevice #8 Subdevice #9: subdevice #9 Subdevice #10: subdevice #10 Subdevice #11: subdevice #11 Subdevice #12: subdevice #12 Subdevice #13: subdevice #13 Subdevice #14: subdevice #14 Subdevice #15: subdevice #15 Subdevice #16: subdevice #16 Subdevice #17: subdevice #17 Subdevice #18: subdevice #18 Subdevice #19: subdevice #19 Subdevice #20: subdevice #20 Subdevice #21: subdevice #21 Subdevice #22: subdevice #22 Subdevice #23: subdevice #23 Subdevice #24: subdevice #24 Subdevice #25: subdevice #25 Subdevice #26: subdevice #26 Subdevice #27: subdevice #27 Subdevice #28: subdevice #28 Subdevice #29: subdevice #29 Subdevice #30: subdevice #30 Subdevice #31: subdevice #31 card 0: Audigy2 [Audigy 2 [SB0240]], device 2: emu10k1 efx [Multichannel Capture/PT Playback] Subdevices: 8/8 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 card 0: Audigy2 [Audigy 2 [SB0240]], device 3: emu10k1 [Multichannel Playback] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Audigy2 [Audigy 2 [SB0240]], device 4: p16v [p16v] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: default [C-Media USB Headphone Set ], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 The OS is Ubuntu Hardy (8.04). Alsa version is 1.0.16-0ubuntu4 I'm not sure what other information would be helpful. If I've missed anything off, please let me know. I'm not so interested in a solution that requires plugging/unplugging devices. -- Jim ------------------------------------------------------------------------------ SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada. The future of the web can't happen without you. Join us at MIX09 to help pave the way to the Next Web now. Learn more and register at http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/ _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user