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any ideas for feedback loops?

Posted: Fri Aug 26, 2011 2:31 am
by mama.
I've been really interested in it lately, super annoying but sometimes you find something good enough for a sample or overdub.

I had this idea maybe if you could get a box that has some momentary push buttons wired to different volume pots you might be able to approximate something like keyboard riffs (??) Id hate to drop cash on parts for this project and find out it doesnt work.

oh and ive found connecting parallel loops with a passive mixer creates some neat intermodulation

Re: any ideas for feedback loops?

Posted: Fri Aug 26, 2011 11:31 am
by Ashe37
two cheezy 80s 49 (khz? mhz?) walkie talkies

Re: any ideas for feedback loops?

Posted: Fri Aug 26, 2011 12:27 pm
by aredj
2 cell phones on speaker mode, close to eachother makes some pretty annoying feedback...

Re: any ideas for feedback loops?

Posted: Fri Aug 26, 2011 1:06 pm
by mama.
oh wait yeah, turning the sound acoustic for part of the chain, er is that mostly for the delay?
was it on this board maybe does anyone remember a mention of some artist building acoustic synth modules? they were supposed to be these patchable isolation tanks that the audio through speaker to a mic with different acoustic interference in between, like a fan for darth vader effects or a glass bottle for resonance,

Re: any ideas for feedback loops?

Posted: Fri Aug 26, 2011 3:51 pm
by Plumpudding
I've gotten some interesting results connecting stereo effects into themselves, left to right, right to left etc. Most of sounds like random s**t, but sometimes you get something interesting. If you want, I could upload some examples. One example is in the listening lounge already: http://www.vintagesynth.com/forum/viewt ... =8&t=63785
The second noodle, Daemon Lycopersicum, is done through, and with, a feedback loop as I descibed earlier in this post, only difference is I also connected up a tomato in the loop.

Re: any ideas for feedback loops?

Posted: Fri Aug 26, 2011 3:56 pm
by Stab Frenzy
Putting short delays into feedback loops is a cool way to tune them. Try it out.

Re: any ideas for feedback loops?

Posted: Fri Aug 26, 2011 4:03 pm
by Plumpudding
Stab Frenzy wrote:Putting short delays into feedback loops is a cool way to tune them. Try it out.
I second that.

edit: Sometimes I get sort of fluteish sound out of my memory man, couple that with a little distortion, and you'll have an experimental jazz-solo. Pretty funny stuff.

Re: any ideas for feedback loops?

Posted: Fri Aug 26, 2011 4:46 pm
by GuyaGuy

Re: any ideas for feedback loops?

Posted: Sat Aug 27, 2011 6:44 am
by ColorForm2113
one little trick i like to use sometimes (and its really cheap!) is using m danelectro EQ pedal (it was like $9) putting a "Y" cable on the output and send one lead to the input and one to more fx or amp. the bands allow you to tune the feedback into a wide variety of noise and drones. always start with the volume low though, dont need to blow anything up lol

Re: any ideas for feedback loops?

Posted: Mon Aug 29, 2011 9:50 am
by colmon
have you tried a no input mixer yet?

plug the outputs of a mixer (the cheaper & older & cracklier the better) into its inputs. you can then shape the tonal characteristics of the feedback with the onboard eq controls. insert various pedals into the loop for further control

this guy plays "twinkle twinkle little star" on a no input mixer



there's an entire scene devoted to no input composition in japan called onkyo. toshimaru nakamura is kinda the leader of this scene, he's able to coax an incredible range of sounds and textures from such a simple setup



his partner sachiko m uses a no input sampler, eschewing samples completely and instead manipulates the built in test tone on an akai s20



supposedly this scene began in order to counter the strict noise restrictions in the residential area in tokyo that nakamura and sachiko m lived and performed in by developing a music that could be played as quietly as possible

it's extremely academic, extremely dry stuff, but often very beautiful music

Re: any ideas for feedback loops?

Posted: Mon Aug 29, 2011 12:25 pm
by tekkentool
One me and some friends got 5 laptops with skype on them and held them all up to each other and spoke into them. It was completely useless musically but made the most horribly cool racket.

Re: any ideas for feedback loops?

Posted: Mon Aug 29, 2011 2:20 pm
by colmon
i've been sampling skype a lot lately. like, calling my girlfriend's laptop and letting them sit in an empty room together for a while recording the output into logic. you get some of the weirdest digital interference, total ghosts in the machine type stuff

Re: any ideas for feedback loops?

Posted: Mon Aug 29, 2011 3:08 pm
by lazerface
rad thread!
I gotta try some of this..

Re: any ideas for feedback loops?

Posted: Mon Aug 29, 2011 11:17 pm
by mute
For the past several years, part of my setup has always included a crappy lil Behringer mixer that has 2 aux sends. I route both aux through fx and then back into 2 of the channels. Then using the auxsend knobs on any of the other channels you can introduce the sounds into the feedback stream and then shape (eq) and control the amount of feedback using the channels that have the aux's routed back into them (using aux amount and track volume).

Re: any ideas for feedback loops?

Posted: Tue Aug 30, 2011 4:08 am
by Stab Frenzy
mute wrote:For the past several years, part of my setup has always included a crappy lil Behringer mixer that has 2 aux sends. I route both aux through fx and then back into 2 of the channels. Then using the auxsend knobs on any of the other channels you can introduce the sounds into the feedback stream and then shape (eq) and control the amount of feedback using the channels that have the aux's routed back into them (using aux amount and track volume).
That's generally accepted as the clever way of using delays, feeding back via the aux send instead of the internal feedback path.