Noise removel not so successful

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steve
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Re: Noise removel not so successful

Post by steve » Mon Aug 04, 2008 1:18 pm

TheNewNumber2 wrote:The most complicated thing I have ever done with a music program, is use Exact Audio Copy to check spectral analysis. I'm a newbie here, and I don't know that, or much of anything else in regards to Audacity.

Still hoping someone can help.
stevethefiddle wrote:using a "High Pass" filter set to 200 Hz removes much of the rumble with very little effect on the music.

The high pass filter plug-in is available here: http://audacityteam.org/download/nyquistplugins

I recommend Audacity 1.3.x for this kind of work.
Which part of this solution are you having problems with?
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TheNewNumber2
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Re: Noise removel not so successful

Post by TheNewNumber2 » Mon Aug 04, 2008 8:40 pm

Already made a reply with the problem I am having with the solution.
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steve
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Re: Noise removel not so successful

Post by steve » Mon Aug 04, 2008 10:15 pm

Perhaps you are asking too much - this is what can be done using the high pass filter:
http://easyspacepro.com/audacity/hipass ... ltered.wav

Note that I have left the first 2 seconds of noise unchanged so as to keep a perspective on how much noise you are trying to get rid of. Chop off the first few seconds and I would have thought that this would be perfectly acceptable.

The small amount of noise that does remain cannot really be removed because it occupies the same frequency range as the music, and both the music are essentially mono, centre panned. Trying to remove that last bit is like trying to unscramble eggs. As I said before, the only way to get it any cleaner than this is to replace the first few notes with new ones.
TheNewNumber2 wrote:I know this can be done, I got a crappy MP3 from years ago before I bought the CD and someone managed to get the sound out.
How do you know that they got the sound out? perhaps they started with a different original.
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TheNewNumber2
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Re: Noise removel not so successful

Post by TheNewNumber2 » Tue Aug 05, 2008 7:00 pm

Because I downlaoded,as I recall, a few months after the release which I didn't know about at the time.

It's a re-recording made specifically for the CD, and the original is 50% different and not released as well.

It's just a beautiful piece of music I would love to have seperated and put onto a compilation CD I am making.
"You shot me! In the back; I haven't made you angry have I?"
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