On Mon, 25 Aug 2003 22:17:43 +0100 Tim Beauregard <helycos@xxxxxxxxxxx> wrote: This looks impressive http://www.csounds.com/developers/html/dnoise_8c-source.html This is impressive http://www.fmah.com/NewSite/HTML/Open/FMAH%20Open%20Denoising.html But I think it's only windows. It would be cool if maybe you could talk him into porting it though. :} > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi, > > I'm looking for a filter/software to remove noise from a sound file. > I'm not an audio expert so will try to describe the noise in a way that > you out there might be able to put a name to it and recommend a suitable > filter/software to remove it. > > It is a short sharp blip, fairly high frequency, sounds like a compass > point stabbing glass. It occurs as often as every minute or so in the > two hour sound file. I obtained this file by recording DAB radio here > in the UK. I'm presuming the noise is derived from errors in the > transmission or analogue to digital conversion phase of the broadcast. > I think it is due to a signal exceeding line volume. > > I've tried the gramofile filter 'Conditional Median Filter II', which > failed to remove the noise. > > If necessary I could email a sample of the noise. > > I'm using Debian 3.0r0, 2.4.18 kernel. > > Thank you in advance :-) > > Tim Beauregard > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.0.6 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iD8DBQE/Snz3sUUdIDHrdAURAuF/AJ9+QZHf4lZMgDLkAm+wv1Ov3dTgqACghi2f > 1q7lXukyBjtYvG0mTFPv+po= > =Mu6g > -----END PGP SIGNATURE----- > >
