Audacity Forum

You'll should to remove the DC offset, ( as Kozikowski describes ), before using a noise gate. The noise on "to-be-removed.wav" is essentially broadband : it covers the entire audio spectrum ... frequency analysis of 'to-be-removed.wav'.png So Audacity's noise reduction, even if it works a...

count me among those who feel completely ham-handed with Audacity's newer, fancier versions of the NR tool... Ditto, It's why I still use a copy of 1.3.X with the old noise reduction. ... Is there a different tool I should be doing to filter out this noise-profile? A noise gate can reduce or elimin...

steve wrote:SFS/RTSPECT looks like a possibility too (works well on Windows XP). http://www.phon.ucl.ac.uk/resource/sfs/rtspect/

Yes the "SFS/RTSPECT" looks a better bet, here visualizing a recording playing in Audacity ...

wow, UCL have got plenty more free audio visualization software ... http://www.phon.ucl.ac.uk/resource/software.php

I can suggest google terms ... https://encrypted.google.com/search?q=real-time+spectrogram+freeware I've just tried this one on Windows Vista ... real-time spectrogram (''rtgram'').png http://www.phon.ucl.ac.uk/resource/sfs/rtgram/ (it records the sound too) The maximum time interval which can be di...

.... I tried doing the equalization as you described but it didn't remove the unwanted sound. Any other ideas? Deeper notches in the equalization are possible if you use the "draw curves" option rather than using the "graphic EQ" sliders which are limited to -15dB ... big notch ...

coonsanders wrote:..davies noise reduction id pretty complicated..

Waxcylinder has posted his settings for Brian Davies software ... http://forum.audacityteam.org/viewtopic ... 1994#p8400

Waxcylinder is rather keen on Brian Davies restoration software ... http://forum.audacityteam.org/viewtopic.php?f=28&t=1994 I've not tried the Brian Davies software but I have tried Goldwave whose noise reduction is better than Audacity IMO. I believe both Brian Davies and Goldwave have free tri...

just re downloaded lame v 3.9.3 which I assume is the ffmpeg download No it isn't : LAME and FFmpeg are different things ... http://manual.audacityteam.org/man/FAQ:Installation_and_Plug-Ins#How_do_I_download_and_install_the_FFmpeg_Import.2FExport_Library.3F I just checked that Audacity with FFmpeg ...

On second hearing 8.5-10.5 sec ... "have someone at special cases give her a paper again for today" ...