|Subject:||Re: [Discuss-gnuradio] Problem with making sound card as source|
|Date:||Mon, 15 May 2006 11:28:23 +0800|
I had a similar problem- turned out not to be the hardware.
Run alsamixer and make sure to turn on capture on your line input (with
spacebar) and turn up the volume all the way, then turn on capture on
capture and turn the volume up all the way again. You should then be
getting audio and adjust the volume down to reduce clipping.
2 1 wrote:
> Hi, Matt :)
> I do set the line-in as the record source in the mixer. But I found that
> audio recorder app of my FC4 can't record either. I'm doubt that the sound
> drive of FC4 cannot support the card well. Besides, I tried on 3 different
> machines and all of them failed. They all have a intel integrated sound
> card. I'm using gr-audio-alsa.0.3.tar.gz.
> Have you ever met this problem before? And do you know how to make the
> card well supported under linux?
> Thanks a lot.
> 2006/5/10, Matt Ettus < address@hidden>:
>> Can you record sound in other applications? Have you set the audio
>> mixer properly?
>> On Tue, 2006-05-09 at 20:34 +0800, 2 1 wrote:
>> > Hi, all
>> > My USRP is on delievering, so I try to do someting with the sound
>> > card.
>> > Unfortunately, the integrated AC97 sound card of my pc seem to not
>> > work properly as source.
>> > I connect a mp3 player with the line-in port of sound card with an
>> > audio wire.
>> > In a script, the sound card is set to source and connected to a file
>> > sink, so the sampled raw audio is written to a file.
>> > In another script, the raw audio file is set to the source and
>> > replayed by the sound card as sink.
>> > But, I hear nothing from my sound card.
>> > The dialtone.py can work making the sound properly, so the sound card
>> > as sink is ok.
>> > Hanwen
>> > _______________________________________________
>> > Discuss-gnuradio mailing list
>> > address@hidden
>> > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>> Matt Ettus address@hidden
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