On Fri Mar 09, 2007 at 05:14:24PM -0500, carmen wrote: > On Fri Mar 09, 2007 at 11:09:27PM +0100, Robin Gareus wrote: > > > > > > terrence@xxxxxxxxxxxxxxx wrote: > > > Hmmmm...well it's actually an old tape of all spoken stuff; > > > conversations I had while visiting family in Europe. I want to hang on to > > > the other people's voices etc., but mine has changed a bit since then and > > > the old sound bugs me. > > > > i don't think there is a way to do this from the command line! > > why cli? it rather sound like a job you should start up a (graphical) > > DAW for. or was the cli requirement only for the recording not this > > particular edit/filtering task? > > > > anyway the only way to get it done quickly, just mute your voice during > > recording.. (hope you were not conversing at the same time as others in > > the background) - Maybe ecasound allows to assign on/off location > > markers during recording. I never checked. > > > > If you speak at the same time with others it's gets tricky. If the > > voices have a different pitch (fi. your "old sound" being an allusion to > > baby-crying in the background) you can reduce the presence of a > > particular voice with EQing + compression. I don't think there is > > software out there to automate the task. - audacity might come in handy. > > theres plenty of software that can take a FFT snapshot, wiht a large window size (eg a passage of spoken text). then filter another wave using that as a mask... > > you could also play with a spectral gate, if the voice is obviously louder than everything else. once again you'll get artifacts and sectinsn that didnt hit the threshold.. > > > it definitely helps to work in an editor that lets you view your waveforms as a spectrogram as well. > > theres lots of choices on windows for both of these things (fft masking, and spectrogram editing). not sure about linux.. but i'd start by looking at mammut, snd, and tapestrea > > > > > > if you want to get into cli denoising based on a audio-sample: > > try http://www.saunalahti.fi/%7Emjkoskin/anoi-0.3.tar.gz > > > > robin > > >
