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 Posted: Tue, 22nd Jun 2010 23:38 Post subject: Removing crowd noise |
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I have a few live recordings that I would like to remove the crowd noise from. Any ideas?
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| Posted: Tue, 22nd Jun 2010 23:47 Post subject: |
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with a vuvuzela
*badum tshh*
crowd noise is hard to eradicate as it takes such a broad spectrum of frequencies
and even if you get it, the stuff you want will be sounding awful
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| Posted: Tue, 22nd Jun 2010 23:49 Post subject: |
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maybe I need to insert a vuvuzela to drown out the crowd.
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| Posted: Tue, 24th Aug 2010 17:46 Post subject: |
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yea like what was stated above this may be tough considering it could be a broad spectrum of sound, but you can use like Sound Forge or something. run it through a band pass filter where you can select a specific range of frequency and then make the band as wide or narrow as needed to try and zero in on the crowd noise without taking out other sounds, in this situation I would say less is better, you might be able to take a little out but dont over do it or you will take the whole band out as well if the vocals are in that range. good luck!!
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| Posted: Tue, 24th Aug 2010 18:07 Post subject: |
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@thread starter:
Good luck, but I don't think that you'll find an acceptable solution (though it's really depending on what you want to keep and what you want to get rid off)
| shole wrote: | with a vuvuzela
*badum tshh* |
i loled 
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| Posted: Tue, 24th Aug 2010 18:35 Post subject: |
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@lunitunez
2 months old reply, always check the date !
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| Posted: Tue, 24th Aug 2010 20:53 Post subject: |
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| dingo_d wrote: | Try Fourier analyzing the recording, then if you're lucky and you find the right frequencies, isolate them and delete that would solve your problem
 Spoiler: | Good luck with that  |
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That would actually work perfectly in a CSI episode.
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| Posted: Tue, 24th Aug 2010 21:46 Post subject: |
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| VGAdeadcafe wrote: | | dingo_d wrote: | Try Fourier analyzing the recording, then if you're lucky and you find the right frequencies, isolate them and delete that would solve your problem
| Spoiler: | Good luck with that |
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That would actually work perfectly in a CSI episode. |
If you could pick the exact frequencies it would work fine irl, but there are thousands (and probably more) various frequencies, that in the end make up a white noise, and removing that would probably decrease the sound quality in general.
And yeah only in CSI could you absolutely remove that (a mega lol moment indeed  )...
"Quantum mechanics is actually, contrary to it's reputation, unbeliveably simple, once you take the physics out."
Scott Aaronson | chiv wrote: | | thats true you know. newton didnt discover gravity. the apple told him about it, and then he killed it. the core was never found. |
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LeoNatan
☢ NFOHump Despot ☢
Posts: 73196
Location: Ramat Gan, Israel 🇮🇱
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| Posted: Tue, 24th Aug 2010 23:00 Post subject: |
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There is software that can use a sample of the noise to remove (for example, a short section of the crowd noise only) and they search for similar patterns in the complete audio track and remove them.
But as said previously, unless you have a lossless high-precision floating point recording, or you are in the CSI world, quality will suffer greatly. 
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