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Posted by Eric B. on 04/05/07 22:50
I downloaded it and took a look at it in Sound Forge. there is some weird
comb filtering going on, two signals @ at 120hz being modulated by an even
lower frequency. Nothing that can be easily notched out I'm afraid. Good
news is it is very low volume.
Eric B.
"Carl Zwanzig" <zbang@radix.net> wrote in message
news:131areaosihp36c@corp.supernews.com...
> P.C. Ford <meoh@mouse-potato.com> wrote:
>
>>Ok, guys thanks for the quick replies. I have tried the notch filter
>>and any progress seems subtle at best. Can't seem to find a "sweet
>>spot" on frequency.
>
> I'd be rather surprised if it's not an odd harmonic of 60 Hz, or a mix
> of them.
>
> Also, check out audacity for this, it has a nice set of filters and it's
> free.
>
> z!
>
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