On Sun, 18 Feb 2007, Matt Savigear wrote: > On Sun, 18 Feb 2007 13:57:15 -0800 (PST) > Bill Unruh <unruh@xxxxxxxxxxxxxx> wrote: >> But even at 16 bits that would be 16x2x4x44100=5.6MHz. Now it may be >> that the system hardware combines the inputs into one 2 channel >> stream, in which case at 1.4Mb/s it would be just under the usb1 >> specs. > > Hi Bill, > > It's four mono inputs (i.e. four channels) at a maximum speed of 48KHz Ah, I assumed that the four inputs were stereo each. Sorry. > and 24 bits. By my reckoning that's 4.6MHz, so in theory USB1 could > sustain double that (i.e. 4 stereo inputs) though I suspect real world > throughput wouldn't actually be up to that (especially when using > duplex mode of course). > > Anyhow, I know it works as I just tried it. :) > > -- 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/ ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user