It helps if you give information about the sound card, not about yourself. On Sat, 30 May 2009, Michael B Allen wrote: > Hello, > > Does capture work with the M-Audio Fast Track USB? > > My Fedora 9 laptop recognises it when I plug it in and I can get > output through it but capture does not work. I do not know what that means or how you know. When you run alsamixer and press tab to get to the capture screen, what do you see? Is the slider up? is the input selected. > > I'm a C programmer and I have a degree in Chemistry but I'm rather > clueless about where to even start to diagnose this sort of thing. > > Can someone give me some advice or a pointer to some documentation > that explains how the whole ALSA tool chain works wrt external USB > sound recording? The documentation is primarily in the code. One of Alsa's weak points has always been documentation. But is it documentation you want or do you want your card to work? > > Ultimately I want to test and characterize small audio circuits and > right now I have only a mic level input. I happen to have this M-Audio > thing so I was hoping to get a really good high sample rate, high > impedance, low noise from it. > > Mike > > ------------------------------------------------------------------------------ > Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT > is a gathering of tech-side developers & brand creativity professionals. Meet > the minds behind Google Creative Lab, Visual Complexity, Processing, & > iPhoneDevCamp as they present alongside digital heavyweights like Barbarian > Group, R/GA, & Big Spaceship. http://p.sf.net/sfu/creativitycat-com > _______________________________________________ > Alsa-user mailing list > Alsa-user@xxxxxxxxxxxxxxxxxxxxx > https://lists.sourceforge.net/lists/listinfo/alsa-user > -- William G. Unruh | Canadian Institute for| Tel: +1(604)822-3273 Physics&Astronomy | Advanced Research | Fax: +1(604)822-5324 UBC, Vancouver,BC | Program in Cosmology | unruh@xxxxxxxxxxxxxx Canada V6T 1Z1 | and Gravity | www.theory.physics.ubc.ca/ ------------------------------------------------------------------------------ Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT is a gathering of tech-side developers & brand creativity professionals. Meet the minds behind Google Creative Lab, Visual Complexity, Processing, & iPhoneDevCamp as they present alongside digital heavyweights like Barbarian Group, R/GA, & Big Spaceship. http://p.sf.net/sfu/creativitycat-com _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user