Re: [LAU] denoising audio files

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To: <linux-audio-user@...>
Date: Wednesday, May 23, 2012 - 9:44 pm

Am 21.05.2012 23:48, schrieb Fons Adriaensen:

In the end it will be either a drum-track or vocal track or anything
else that could have been recorded in a studio in the basement of a
railway-station or it will be a restauration-effort to digitize a
vinyl or cassette.

In all cases: if it is hiss or hum, EQ or gate can help if used wisely
but I do not know any software for Linux that allows to cancle out a
train running through the one great vocals-take -- whithout destroying
the voice in the process that is.

IMHO: to do something like this the best way is to start with a tool
that visualises the sound to allow to really find and technically
analyse the problem. A human can hear, waht a train is and what a voice
is, for any software there is only frequency an amplitude so there needs
to be a tool that allows the human to teach the robot, what is noise and
what is signal.

The noise-remover in Audacity does that but is far too primitve to
achieve really good results.

To have the abilities known from Melodyne in Sonic Visualiser such as:
this part of the wave, this range of frequencies with this particular
sequence of amplitudes I can see in this graph is the evil one, go!
Cancle it!

This would be indeed, quite nice, methinks....

best regards

HZN

p.s.: I have seen a MAGIX-Technician doing such a trick in Sequoia some
5 years ago...

>

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Messages in current thread:
[LAU] denoising audio files, Iain Mott, (Mon May 21, 10:04 am)
Re: [LAU] denoising audio files, Julius Smith, (Wed May 23, 5:25 am)
Re: [LAU] denoising audio files, Ricardus Vincente, (Mon May 21, 2:04 pm)
Re: [LAU] denoising audio files, Fons Adriaensen, (Mon May 21, 9:48 pm)
Re: [LAU] denoising audio files, Jaromír Mikeš, (Thu May 24, 10:33 am)
Re: [LAU] denoising audio files, Georg Holzmann, (Thu May 24, 11:05 am)
Re: [LAU] denoising audio files, Hartmut Noack, (Wed May 23, 9:44 pm)
Re: [LAU] denoising audio files, Fons Adriaensen, (Thu May 24, 1:52 pm)
Re: [LAU] denoising audio files, Kevin Cosgrove, (Thu May 24, 2:04 pm)
Re: [LAU] denoising audio files, Thomas Vecchione, (Thu May 24, 2:20 pm)
Re: [LAU] denoising audio files, Ricardus Vincente, (Thu May 24, 5:46 pm)
Re: [LAU] denoising audio files, Ricardus Vincente, (Tue May 22, 3:04 am)
Re: [LAU] denoising audio files, david, (Tue May 22, 8:37 am)
Re: [LAU] denoising audio files, Ricardus Vincente, (Tue May 22, 1:32 pm)
Re: [LAU] denoising audio files, david, (Tue May 22, 7:40 pm)
Re: [LAU] denoising audio files, Thomas Vecchione, (Tue May 22, 10:36 am)
Re: [LAU] denoising audio files, david, (Tue May 22, 7:43 pm)
Re: [LAU] denoising audio files, Ricardus Vincente, (Tue May 22, 7:59 pm)
Re: [LAU] denoising audio files, david, (Wed May 23, 5:09 am)
Re: [LAU] denoising audio files, Folderol, (Tue May 22, 7:53 pm)
Re: [LAU] denoising audio files, Thomas Vecchione, (Wed May 23, 5:18 pm)
Re: [LAU] denoising audio files, Ricardus Vincente, (Tue May 22, 1:57 pm)
Re: [LAU] denoising audio files, Emanuel Rumpf, (Tue May 22, 2:36 pm)
Re: [LAU] denoising audio files, Thomas Vecchione, (Tue May 22, 3:11 pm)
Re: [LAU] denoising audio files, Thomas Vecchione, (Tue May 22, 3:12 pm)
Re: [LAU] denoising audio files, hermann, (Tue May 22, 2:29 pm)
Re: [LAU] denoising audio files, Ricardus Vincente, (Tue May 22, 3:15 pm)
Re: [LAU] denoising audio files, Ricardus Vincente, (Mon May 21, 9:57 pm)
Re: [LAU] denoising audio files, Lorenzo Sutton, (Tue May 22, 7:22 am)
Re: [LAU] denoising audio files, Thomas Vecchione, (Tue May 22, 10:35 am)
Re: [LAU] denoising audio files, Lorenzo Sutton, (Mon May 21, 11:43 am)
Re: [LAU] denoising audio files, Julien Claassen, (Mon May 21, 10:15 am)
Re: [LAU] denoising audio files, Georg Holzmann, (Mon May 21, 10:11 am)
Re: [LAU] denoising audio files, Alexandre Prokoudine, (Mon May 21, 10:08 am)
Re: [LAU] denoising audio files, Thomas Vecchione, (Mon May 21, 5:17 pm)
Re: [LAU] denoising audio files, Kevin Cosgrove, (Wed May 23, 12:22 am)