On Sat, 6 Sep 2003, Jamie Lutch wrote:
> ok, so I was able to get it to work but was wondering why the help docs
> list S24_LE as a valid format, but when I try to use it, I get:
aplay lists all supported formats not supported formats by device
> >then converting to 24 bits externally is SoX or sndfile-convert which is
> >one of the example programs which comes with libsndfile.
>
> >The other possibility is that I could post some code which uses libsndfile
> >to write to a 24 bit WAV file. What platform are you on?
>
> SuSE 8.2
>
> also, is this program robust enough to use, or is it more of a 'test'
> program. What is recommended for simple audio capture?
>
> Can I record, and then stop recording with a keystroke, instead of
> specifying the time of recording like I've done here?
>
> one more thing, I get :
>
> xrun!!! (at least xx.xxx ms long)
>
> is this a buffer underrun? I see some dropped samples in the beginning of
> the waveform.
Yes, it is. You might try to use ecasound tools to improve buffering.
> Thanks guys, for all your help! Its very appreciated!
>
> also, It shows the card as supporting 192K, but wont let me record at that
> rate:
>
> linux:~ # amixer -c PDAudioCF cget iface=PCM,name='IEC958 External Rate'
> numid=5,iface=PCM,name='IEC958 External Rate'
> ; type=INTEGER,access=r----,values=1,min=0,max=192000,step=0
> : values=192000
>
> when I try to record, I get:
>
> arecord: main:418: bad speed value 192000
Upgrade alsa-utils from CVS or modify the 128000 value to 192000 in
alsa-utils/aplay/aplay.c .
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs
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