strange tone in recored sound
Robin Laing
Robin.Laing at drdc-rddc.gc.ca
Fri Sep 29 16:15:00 UTC 2006
Faust Nijhuis wrote:
> 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
>
No hardware is stable. If the system worked in the past is no
indication that it is still fine. Things break down over time. A
capacitor failing could cause the problems you indicate.
How is the sound if you play a CD? Do you have the same noises?
Do you have any noises when just turning the volume up with no signal?
Try making a recording using the mic input with no mic attached.
As for attached files. They don't get through the filters. You would
have to use personal email to someone. I will take a listen.
--
Robin Laing
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