Thank you so much for this information. I will do that tonight or tomorrow and report back.
On Fri, Mar 2, 2012 at 7:35 AM, Raffaele Morelli <raffaele.more...@gmail.com > wrote: > > > 2012/3/2 Darren Crotchett <deb...@crotchett.com> > >> I am having issues with sound on my son's computer. We are unable to run >> two sound applications simultaneously. Occasionally, I can stumble upon a >> combination of more than one (usually two) that will work together. But, >> it's not repeatable. >> >> I have tried a few combinations non of which worked together, such as >> Skype and Pandora, Pandora and Movie Player (which I guess is Totem), >> Pandora and VLC. Oddly, even video would not play on Movie Player while >> another sound application was open, but VLC video would play (without >> sound). I did not try every combination because I just didn't have time. >> If you think it would be beneficial, I can go back and do so. I don't >> know enough about the backend sound systems that these applications use to >> interpret which combinations, if any, would be significant in terms of >> troubleshooting. >> >> Often times, you would not want two sound apps open at the same time. >> But, in this case, my son plays Minecraft and talks on Skype. So, it >> makes sense in that case. It seems that whichever one he starts first >> gets control of the sound output and the other app can't get any output. >> >> He is using Debian Wheezy AMD64. He is using Gnome 3 as the desktop. He >> is running Pulseaudio. His motherboard is an Asus P8Z68 Deluxe and proc is >> i7. He has a logitech webcam for input. But, that hasn't been an issue. >> I only mention it to explain the USB-Audio below. >> >> I've been using Debian and Linux for many years. But, I've never been >> able to wrap my head around sound problems (which I seem to have with every >> new install). I get confused by alas, esd, pulseaudio and so on. Sound >> issues have always been hit or miss for me, with something sooner or later >> just ending up working. I'm not sure how to troubleshoot this. Any >> suggestions would be greatly appreciated. >> >> $ cat /proc/asound/cards >> 0 [PCH ]: HDA-Intel - HDA Intel PCH >> HDA Intel PCH at 0xfae20000 irq 74 >> 1 [U0x46d0x821 ]: USB-Audio - USB Device 0x46d:0x821 >> USB Device 0x46d:0x821 at usb-0000:00:1d.0-1.4, >> high speed >> 2 [NVidia ]: HDA-Intel - HDA NVidia >> HDA NVidia at 0xfa080000 irq 17 >> >> > Install jackd, qjackctl and vlc-plugin-jack, kill pulseaudio and use alsa. > > In VLC preferences->audio choose alsa as output module. Have a look at the > device dropdown, there you should see the relevand devices (eg. your intel > and hdmi if any). > > if you want two or more audio apps to share the same sound device, start > qjackctl, tell vlc to use jack output module and do the same with other > apps if needed. > > In qjackctl connection panel you should see all your alsa compliant apps > listed as readable clients and the sound device as writeable clients. > > Using skype together with other apps is also possible even if it's a > little more tricky, have a look at > http://alsa.opensrc.org/Jack_and_Loopback_device_as_Alsa-to-Jack_bridge > > I can run skype togeter with other jack/alsa compliant apps, record them > and/or route audio output between them using Qjackctl. > > -r > > > > -- > *L'unica speranza di catarsi, ammesso che ne esista una, resta affidata > all'istinto di ribellione, alla rivolta non isterilita in progetti, alla > protesta violenta e viscerale.* >
