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Have you given Jokosher a try? http://www.jokosher.org/ On Fri, Jan 1, 2010 at 15:06, Tom Metro <tmetro-blu-5a1Jt6qxUNc at public.gmane.org> wrote: > Any recommendations for an audio editor (for Linux) that would be good > for normalizing, (dynamic range) compressing, and noise reducing a voice > recording? (I have a few voice recordings that were made on low quality > hardware, and they have digitization noise artifacts that sound like > static.) > > I tried Audacity, as that's what I hear mentioned most often, and I found: > > -It locked up X twice. (Once with 1.3.7, as packaged for Ubuntu 9.04, > and again with 1.3.10, that I backported from 9.10.) > > -The normalizer doesn't normalize that much. It's supposed to eliminate > DC offsets, if that option is checked, but it doesn't work unless only a > small sample of audio is selected. (I'm guessing it averages the entire > selection to find the center point, so if the DC offset wavers over the > selected area, it does nothing.) > > -The compressor doesn't compress. The expectation is that dynamic range > compression should take any audio below a threshold and amplify it, > while leaving peaks above that threshold as-is. It worked some, but > given the adjustments it provides, I should have been able to boost all > but the highest peaks to be near full volume. All I seemed to be able to > do was raise the noise floor. (An expected side effect, but the > medium-volume audio should have gotten much louder too.) > > -The noise reduction filter had no effect. It has some UI problems too. > You're supposed to select a portion of the audio that contains only the > noise, enter the effect's dialog and click a button, which exits the > dialog. Then select the range you want to process and re-enter the > effect's dialog, and hit a different button. This is a pretty clumsy > design, and the dialog provides no feedback as to whether it has a noise > sample stored. In any case, multiple attempts produced no noticeable > difference, regardless of the settings. > > I'm hoping there is something better available. > > -Tom > > -- > Tom Metro > Venture Logic, Newton, MA, USA > "Enterprise solutions through open source." > Professional Profile: http://tmetro.venturelogic.com/ > _______________________________________________ > Discuss mailing list > Discuss-mNDKBlG2WHs at public.gmane.org > http://lists.blu.org/mailman/listinfo/discuss > -- .danny ??? - http://www.google.com/profiles/danny.piccirillo Every (in)decision matters.
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