weaver frequency shifter

VST, AU, etc. plug-in Virtual Effects discussion
Mr Entertainment
12209 posts since 30 Apr, 2002 from i might peeramid

Post Tue Jul 13, 2010 3:29 pm

Image

http://www.xoxos.net/vst/weaverfs.zip

WOK's thread on bode frequency shifters intrigued me, hunting around i found the nord modular page on frequency shifting which described this simple method. i was intrigued and built it.

it's a clean, low cpu shift. it doesn't have the keen delay effects WOK's frequency shifter has. there's probably a dozen freewares that do the same thing.. :scared: i don't know if this has any virtues in comparison. midi notes reset mod lfo.
you come and go, you come and go. amitabha neither a follower nor a leader be tagore "where roads are made i lose my way" where there is certainty, consideration is absent.

KVRAF
3909 posts since 26 Jan, 2006 from :noitacoL

Post Tue Jul 13, 2010 3:36 pm

cool, will investigate. thanks, xoxos.
professional dilettante, producer, sound-designer, re-mixer, self-righteous, fail.

KVRist
295 posts since 17 Feb, 2010

Post Tue Jul 13, 2010 6:20 pm

Its really nice

thank you!

KVRist
381 posts since 22 Jun, 2007

Post Tue Jul 13, 2010 6:34 pm

Very nice.

I was just looking for a free frequency shifter last week and was pretty disappointed of not finding one.

MRT
KVRian
1234 posts since 3 Dec, 2002

Post Wed Jul 14, 2010 3:15 am

Very nice, don't think I have any thing quite like this.
Thank you for sharing :)

Mr Entertainment

Topic Starter

12209 posts since 30 Apr, 2002 from i might peeramid

Post Wed Jul 14, 2010 5:02 pm

:)

here's a quick audio demo - it doesn't take much advantage of the effect but it's a "funny sample" :/
http://www.xoxos.net/temp/nevermisschurch.mp3

i am personally looking forward to WOK's implementation due to the recursive delay effects with the filtering which is imo prime noodling (even if i managed to code it i wouldn't release on him).
you come and go, you come and go. amitabha neither a follower nor a leader be tagore "where roads are made i lose my way" where there is certainty, consideration is absent.

KVRAF
3202 posts since 16 Jan, 2005 from Ottawa, Ontario

Post Wed Jul 14, 2010 6:41 pm

TA!

KVRian
1143 posts since 25 Apr, 2004 from 48Hz

Post Thu Jul 15, 2010 5:27 am

excellent work (as always) xoxos ! thank you so much !

KVRAF
1847 posts since 22 Mar, 2002 from Timisoara, Romania

Post Thu Jul 15, 2010 5:32 am

thanks xoxos
good fx and good interface :)

KVRAF
6605 posts since 28 Apr, 2004 from france

Post Sun Jul 18, 2010 12:47 pm

Hi, Xoxos
THank ou very much : it is a nice plugin with a twist (as usual ;)), and the GUI is great too !
I'm having some great fun with it.

Mr Entertainment

Topic Starter

12209 posts since 30 Apr, 2002 from i might peeramid

Post Sun Jul 18, 2010 5:59 pm

having some time with the concept has elicited some concepts -

the weaver circuit is designed to be a single sideband shift - either up or down. this circuit is both sidebands.. freqs are shifted both up and down. the lp filter i dropped will produce a single sideband shift, however it apparently needs to be 'some' filter to leave any appreciable performance range (i've yet to find the algo for jens groh's elliptical filter) ..a 6th order rbj biquad was only enough to elicit that filtering would produce a single sideband shift.

i'm hoping to solute for single sidebanding in anticipation of various spectral processes.. laying awake and dreaming of dsp sigh :)

i'm hoping WOK gets his out soon because plopping this in a delay loop would only take a few minutes and i'd not like to compromise his release since he got the ball rolling.
you come and go, you come and go. amitabha neither a follower nor a leader be tagore "where roads are made i lose my way" where there is certainty, consideration is absent.

KVRAF
6181 posts since 19 Jun, 2008 from Seattle

Post Sun Jul 18, 2010 6:09 pm

xoxos wrote: i'm hoping WOK gets his out soon because plopping this in a delay loop would only take a few minutes and i'd not like to compromise his release since he got the ball rolling.
Clever ploy... :wink:

I look forward to trying this. Thank you 8)

~S~

Mr Entertainment

Topic Starter

12209 posts since 30 Apr, 2002 from i might peeramid

Post Tue Jul 20, 2010 7:07 pm

http://www.kvraudio.com/get/4050.html

dear god.. lol :) ah well, i learned a bit making it.
you come and go, you come and go. amitabha neither a follower nor a leader be tagore "where roads are made i lose my way" where there is certainty, consideration is absent.

KVRAF
7883 posts since 16 Apr, 2003 from -on the outside looking in

Post Tue Jul 20, 2010 7:31 pm

thanks, xoxos. d/l'ing now. I expect it will sound great and the gui on it is very nice, too!
..what goes around comes around..

User avatar
KVRAF
12898 posts since 15 Mar, 2008 from Czech republic

Post Fri Aug 06, 2010 11:59 am

Hey folks, I'm not really sure, but this is not a frequency shifter, but rather a ring modulator. Or am I getting something wrong?
Vojtech
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