Jan Depner wrote: > On Fri, 2005-08-26 at 17:51, philicorda wrote: > >>>Message: 3 >>>Date: Fri, 26 Aug 2005 11:47:10 -0700 >>>From: Mike Jewell <mj405@xxxxxxxxxxxxxx> >>>Subject: [linux-audio-user] I just want to EQ the quiet parts >>>To: linux-audio-user@xxxxxxxxxxxxxxxxxx >>>Message-ID: <1125082030.31648.30.camel@xxxxxxxxxxxxxxxxxxxxx> >>>Content-Type: text/plain >>> >>>Hi LAUs, >>> >>>I'm pretty new to all this but have been using Audacity with plugins, >>>etc and have recently been experimenting with Ardour and Jamin. >>> >>>What I want to do is EQ the "quiet" parts only of a wav file. The file >>>is a tape recording of some source (probably LP) done on a cheap >>>recorder. There is lots of rumble that is mostly noticeable (of course) >>>in the quieter spots on the track. Playing with Jamin's 30 band EQ >>>shows that filtering out a band or two around 200 Hz helps a LOT but >>>this wrecks the bass in the louder "musical" sections. >> >>What I would do is... >>Render a couple of versions through Jamin. One with the severe 200hz cut >>for the quieter sections, and one with settings that work well on the >>louder bits. >>Then, line them up in Ardour so they start at exactly the same time and >>cut/crossfade between them so the bass cut version is only used where >>it's needed. >>Longish crossfades should make the changeovers inaudible. >> Now that seems a simple and nice approach. Thanks as I had the same problem. Cheers Bob > > It would be much easier to use the scenes in JAMin. You can change > the scene crossfade time as well. > > >>>Is there something like a noise gate that, instead of silencing >>>everything below a certain threshold, would apply a given EQ to it >>>instead? With all the cool Linux Audio tools out there, it seems like >>>there must be some way to do this. (Maybe Jamin can and I just don't >>>see it.) >> >>I guess you could use the spectral gate in freqtweak to do this. It does >>tend to change the sound a little (It's not really meant for this kind >>of thing) though considering the quality of the source it could well be >>acceptable. >> >>Just stay away from the delay, feedback and warp settings or you'll be >>playing with it all night... :) >> >>If Jamin had inverse ratios for the compressor sections then you could >>do some expansion. Perhaps if you ask the authors they will look into >>it? >> > > > This would be a job for Steve but I think it's a good idea ;-) > >