October 20, 2005

Moog 907A Fixed Filter Bank...

by Chris Randall

If you were wondering why I've been rather silent the last couple days, this is why. The next Audio Damage product, coming out some time next week, after we tidy up, is the 907A Fixed Filter Bank. Now, this is a little more esoteric than our normal products, I'll grant. It's one of those things where if you know what it is, you know why you need it, but if you don't, it's kind of hard to explain.

The original Moog 907 was designed by Bob Moog because of a request by Wendy Carlos for a bank of bandpass filters to use when modeling, e.g., wind instruments, cellos, etc. In short, things with a resonating cavity in them. This configuration is known as a Formant Filter, and is also handy in speech synthesis and the like. (That big hole between your nose and chin is a resonating cavity, it turns out.)

Now, what does it sound like, you ask? Well, I'll have samples up on the AD page in a couple days, but the long and short of it is this: any audio passing through this filter picks up a kind of vocal quality. The original, and our software clone, only cuts the signal; there is no gain as it is entirely passive. So there is a bit of attenuation. We thought that sticking to the original would be better, as giving each band gain would drastically affect the sound of the device, and basically make it nothing like the original. So there are 8 bandpass filters, along with four-pole low and high-pass filters, for a regular orgy of sound-carving fun. This will be $29.00, and available for OSX VST/AU and WinXP VST at some point in the next few days.

UPDATE: I whipped up a quick vamp so you guys can get a bit of an idea of what the 970A and Phase Two are all about. The signal chain is:

Lounge Lizard (Dirty preset) -> 907A -> Phase Two -> DubStation -> Waves RComp

The first 8 measures are just the Lounge Lizard and DubStation. At measure 9, I switch on the 907A. Phase Two gets turned on for the last 8 measures. (Then I automate the regen and time on DubStation at the very end, just for fun.)

Here's the MP3. Thank you very much. I'll be here all week, and don't forget Wednesday is Lady's Night.




Oct.20.2005 @ 10:05 PM
Dude! Sweet! Will it do 96k?

Oct.20.2005 @ 10:05 PM
Chris Randall
Yeah, it should do 96K no problem.

EDIT: I just checked with Adam, and it will definitely be 96K-capable.



Oct.20.2005 @ 10:35 PM
"It's one of those things where if you know what it is, you know why you need it, but if you don't, it's kind of hard to explain." Well, I had never heard of the original until just now (-100 cred points), but I'm already drooling with anticipation... can't wait to hear those sound samples.

Oct.20.2005 @ 10:41 PM
As I said on OSXA, I can't wait to hear it!

Oct.21.2005 @ 3:06 PM
I'm liking the filter in the demo, but I'm loving the sound of that phaser. Looking forward to both of these.

Oct.21.2005 @ 4:02 PM
Very sneaky of you. A 907 clone wasn't exactly on my Plug-In Wish List, but now of course I have to have it. Thanks a heap.

Moreover, the phaser sounds damn good. Looking forward to the release.



Oct.21.2005 @ 7:45 PM
Suit & Tie Guy
yeah. that was a good move. i was never interested in one, but the thought of modulating that in Numerology is giving my Hammond thicker veneer right now.



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