Re: Cassette audio cleanup
By: Nightfox to All on Wed Nov 11 2015 09:22 pm
> Does anyone know any tricks for cleaning up music recorded onto a PC from a
> cassette tape? I have some music I recorded onto my PC from a cassette tape
> and was able to reduce much of the hiss (using Audacity) and applied an
> equalizer (using GoldWave), and overall I like the results. However, there
> are a couple things I'd still like to improve - Specifically, there's one
> track where the right channel drops out for a moment and comes back.
> There's also an occasional popping sound here and there. I'm not sure of
> the best way to clean up those spots.
>
> For the track where the right channel drops out for a moment and comes back,
> I've tried doing a channel mix (using GoldWave), but that changes the
> quality of the sound a bit - It doesn't sound as full as before. As far as
> removing the popping sounds, I'm not sure of the best way to do that either.
If there aren't too many pops, you can actually select the click in Audacity
and use the "Repair" effect in Audacity. I think it's mainly intended for
digital distortion, but I've used it to repair analog clicks and pops
successfully too. The trick is you have to really zoom way in one the wave form
and choose just the pop/clip portion to repair. If you select too wide of a
portion of the audio (more 128 samples), the effect won't do anything but
display an error to you.
With regard to drop-outs, you could probably use the opposite channel audio to
possible fill in the missing "level" in the affect channel, but it'll still
probably sound a little odd (especially with headphones).
Pro-Audio might be the better message area to talk about this subject, but it
does interest me.
digital man
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