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Subject: Re: [motm] Free 48 Band Filter Bank to Process .wav Files

From: Jeff Laity <synthetic@...>
Date: 2008-08-01

Here is a VST/AU plug-in modeled after the Moog FFB. It doesn't have
48 bands, but the plug-in might be easier to use in your studios:

http://www.audiodamage.com/effects/product.php?pid=AD010

You can also automate bands in your DAW. It was co-created by MOTM
user Adam Schabtach.


On Aug 1, 2008, at 9:36 AM, Kenneth Elhardt wrote:

> In a conversation back and forth with William J Hall about FFB's, I
> told him
> I'd upload a software filter bank I wrote that can process .wav
> files, so I
> might as well put it out there for others too. It's basically kind
> of what
> I wanted to consider doing in hardware that was discussed many
> months ago
> but had one member argueing against it. It's a 48 band WYSIWYG raised
> cosine filter bank that's similar to those Perfect Q, and True Curve
> EQ's by
> Rane and Behringer, but instead of just 3 bands/octave and +/- 12dB
> cut/boost, it's 6 bands per octave and covers the full 96dB range.
> Link is
> below, it's only 74K and doesn't modify your registry or spray
> hundreds of
> files all over your drive and system folder and cause other things
> to stop
> working.
>
> http://home.att.net/~synth6/SoundApp.exe
>
> What you need:
> PC computer with 1280x1024 or larger display and enough RAM to
> handle 4
> times the size of the .wav file you want to load and process. Wav
> files can
> be mono or stereo, but need to be 44.1KHz and with no extra header
> info
> (like your name, or markers) beyond the usual 44 bytes. I've only
> run it on
> XP, but it should probably work on anything back to Win95.
>
> How to use it:
> Copy or move the app into any folder that contains .wav files. Run
> app and
> select a wav file from filebox. It should be easy to follow after
> that, you
> just press keys for the menu items, but just to point out the
> obvious: [4]
> gets you to the 48 band filter bank page. Use the mouse to draw your
> filter
> points on the graph, then hit the [f] key to filter the file, you
> can then
> listen to it, or undo it and try again. If you want to keep the file
> you
> processed, just hit the [w] key to write out a wav file called
> Output.wav.
> Rename it to what ever you want. If you want to load another wav
> file, you
> need to quit the app and run it again. There are other options on the
> filter page too, plus some unrelated things on the waveform page.
> There
> you'll find a couple of useful sharpening options for giving lots of
> crisp
> highend detail to dull recordings. At some future date, I'll probably
> replace the menu keys with buttons for mouse clicking, but this is
> just my
> prototype app where I test out ideas. It's recommended that you avoid
> trying to click on the desktop or other windows while my app is
> running as
> it won't redraw the screen when returning back to it.
>
> -Elhardt
> Bahn Audio Systems
>


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