strange tone in recored sound

[Faust Nijhuis]

Tim wrote:
> On Tue, 2006-09-26 at 19:42 +0200, Faust Nijhuis wrote:
>  
>> I have a problem with recording sound. It makes no difference  how it
>> is recorded, mythtv or just a microphone.  When i  play the recorded
>> sound it sounds like a bad radio from 40 years ago. And there is
>> irritating tone in it.
>>     
>
> That could be your hardware, some sound hardware is awful.  But you
> haven't told us what you have (including the motherboard model might be
> worthwhile, as well), nor provided a sound sample.
>   
The problem cannot be the hardware because before this problem it did 
function well
for 2 years. And under knoppix (live dvd) the record sound is still good.

Is it allowed to attach a sound sample?
> Does it play other-recorded sounds fine?
>   
No, all recorded sounds are bad.

Faust