Most cards have a monitoring capability themselves. Ie they route the
input to the output automatically. Ie, use the iMic card to listen to
the signal on its output.
On Mon, 26 Apr 2004, Vladislav Grinchenko wrote:
> Hi,
>
> I have two cards - one is PCI SoundBlaster 512
> and another - USB iMic:
>
> % cat /proc/asound/cards
>
> 0 [Live ]: EMU10K1 - Sound Blaster Live!
> Sound Blaster Live! (rev.5)
> at 0xb000, irq 9
>
> 1 [system ]: USB-Audio - iMic USB audio system
> Griffin Technology, Inc iMic USB audio
> system at usb-00:04.2-2, full speed
>
> Everything works as expected.
> I use iMic exclusively for recording from line-in/mic,
> and the SBLive with my speakers.
>
> However, while recording from iMic I want to listen to what
> is being recorded to monitor level and etc. Right now,
> when I start 'arecord' in one xterm window, in another
> I run 'aplay' of the recording and listen to it (with
> some delay of course).
>
> Is there any other way to record from hw:0,0 to a file and
> at the same time route the audio to hw:1,0 in one step?
>
> System: Fedora Core 1.0 2.4.20-8
> Alsa: 1.0.4
>
> % cat ~/.asoundrc
>
> pcm.sblive { type hw card 0 }
> ctl.sblive { type hw card 0 }
>
> pcm.imic { type hw card 1 }
> ctl.imic { type hw card 1 }
>
> pcm.!default {
> type plug
> slave { pcm "hw:0,0" rate 44100 }
> route_policy default
> }
>
> thanks in advance,
> -Vlad
>
--
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 | [EMAIL PROTECTED]
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