Re: [Alsa-user] Simultaneous playback problem on 3 USB cards

2012-01-03 Thread Robin Gareus
On 01/03/2012 11:40 AM, Piotr Domagalski wrote: > On 01/02/2012 04:37 PM, Piotr Domagalski wrote: >> Hello! >> >> I've been struggling with using 3 USB cards ("C-Media USB Audio Device") >> for a while now. > > I forgot to mention that I'm connecting these 3 USB cards through an USB > 2.0 D-link

Re: [Alsa-user] Simultaneous playback problem on 3 USB cards

2012-01-03 Thread Piotr Domagalski
On 01/03/2012 02:05 PM, Robin Gareus wrote: > If the problem is caused by USB-1.x devices on a USB-2.0 hub, unbinding > the ehci_hcd driver may be an option: > http://lists.linuxaudio.org/pipermail/linux-audio-dev/2010-October/029511.html > > OTOH, USB-1.x may not provide enough bandwidth for all t

Re: [Alsa-user] Simultaneous playback problem on 3 USB cards

2012-01-03 Thread Piotr Domagalski
On 01/02/2012 04:37 PM, Piotr Domagalski wrote: > Hello! > > I've been struggling with using 3 USB cards ("C-Media USB Audio Device") > for a while now. I forgot to mention that I'm connecting these 3 USB cards through an USB 2.0 D-link hub. This seems to be the cause of the problem but I'm wond

Re: [Alsa-user] Simultaneous playback problem on 3 USB cards

2012-01-02 Thread Piotr Domagalski
On Mon, 02 Jan 2012 21:35:47 +0400, Sergei Steshenko wrote: > Do the cards support "22050 Hz, Mono" ? Yes, they do. In fact, I play the exact same file on all of the cards. -- Piotr Domagalski Mobile Systems Research Labs, Poznan University of Technology ---

Re: [Alsa-user] Simultaneous playback problem on 3 USB cards

2012-01-02 Thread Sergei Steshenko
02 января 2012, 19:55 от Piotr Domagalski : > Hello! > > I've been struggling with using 3 USB cards ("C-Media USB Audio Device") > for a while now. > > Using Ubuntu 11.10 (kernel 3.0.0-14) and no additional .asoundrc or > /etc/asound.conf configuration I am able to play a wav on any of the