[ltp] Sound problem

[Julien Tane]

Hello Alexander,

I really appreciate your help! I am learning a lot. And it might solve 
the problem ( even though I start to be afraid that my sound card is in 
the dumps...).

Anyway I tried.

 dd if=/dev/urandom of=/dev/dsp
144+3 records in
144+0 records out

does nothing... I don't hear anything... :-(.

Sorry I had again not followed.. I had done
cat /dev/dsp

Now I did :
echo "test" >/dev/dsp

But nothing!!! :-( No sound :-(


Julien

P.S: Sorry if I had not been following verywell the two previous mails...

Alexander Gran wrote:

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>Am Montag, 9. Februar 2004 19:11 schrieb Julien Tane:
>  
>
>>>>>echo "test" > /dev/dsp
>>>>>gives an error, too?
>>>>>          
>>>>>
>>It seems to work! At least it seems to write somtthing to stdout. But
>>there seem only to be blanks.
>>    
>>
>
>Erm, it should either say "No such device", or it should do nothing, or it 
>should make a little noise.
>
>  
>
>>Crystal 4280/46xx + AC97 Audio, version 1.28.32, 13:54:54 Jan 30 2004
>>cs46xx: Card found at 0xe8122000 and 0xe8000000, IRQ 11
>>cs46xx: Thinkpad 600X/A20/T20 (1014:0153) at 0xe8122000/0xe8000000, IRQ 11
>>ac97_codec: AC97 Audio codec, id: CRY20 (Cirrus Logic CS4297A rev B)
>>    
>>
>
>This looks ok.
>
>  
>
>>If you can tell me where to look. I would appreciate. And then next time
>>I will know and might be helpfult to other people.
>>    
>>
>
>Well, basically the driver needs to find the card, and the devices should be 
>accessible then.
>I suppose you're card is muted or to silent. Please ensure that Master volume 
>and PCM are not muted and volume is turend up. Then you could test the sound 
>pretty easy via dd if=/dev/urandom of=/dev/dsp
>this sould make an ugly noise, but is pretty software independent (I.e. you 
>don't need a working player app)
>
>regards
>Alex
>
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