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Fixed pitch delay?
MUFF WIGGLER Forum Index -> General Gear  
Author Fixed pitch delay?
Mr. Aloud
So there is tape delays and their emulations, which change the pitch when you change the speed. Makes sense. Same thing for reading faster/slower from memory chips.

Now that pitch-shifting and time-stretching algorithms are around for some time, are there any effect units that allow for independent control of one or both?

I´m thinking of having the tape delay style pitch change at constant speed. Or changing the speed without pitch change - or even reversed, so pitch goes up while speed goes down.

Which modules, pedals or plugins can do that?
nuromantix
You just need a delay & a pitch shifter.

For pitch change with constant delay, put the pitch shifter before the delay.
Lots of effects units can do this in one box, pretty much any multi effect from a Boss SE-50 upwards.

For changing delay with constant pitch, put the pitch shifter after the delay. It's a bit more complicated because you'll have to calculate the correct pitch shift to compensate for the pitch change caused by modulating the delay, and that will depend on the rate of change of the delay time.
Another way to acheive a similar effect is to sample the sound you want to echo, with a length of silence on the end of the sample. Loop the sample and modulate the end point of the sample.

There are definitely plugins that do time modulated delays with constant pitch: try searching for "bouncing ball" delay effect. Not sure if there are more general versions. Could definitely be done with VSIG or PureData / MaxMSP etc.
notmiserlouagain
Look at Meris Hedra...
lordmasakrator
TC Electronic Flashback delay can change delay time without changing pitch. All the delay types avaliable on this unit (tape, lofi, mod, etc) have that feature.

You can probably put it back to pitch-altering mode, but I personally love this non-pitch-shifting feat.
starthief
Mr. Aloud wrote:
I´m thinking of having the tape delay style pitch change at constant speed. Or changing the speed without pitch change - or even reversed, so pitch goes up while speed goes down.

Which modules, pedals or plugins can do that?


Red Panda Tensor does a lot of this sort of thing. Sort of a virtual tape loop where you can independently change speed, pitch, both, reverse, loop, overdub, randomize.

It "listens" while bypassed, so you can stomp it to immediately repeat or reverse what you just played.

You can play back in "live" mode slower than real time -- instead of the record head overrunning the play head and glitching, it resets smoothly based on a guess at musically friendly timing. It often winds up sounding like intentional background counterpoint.

You can't play back in "live" mode faster than real time because that's actual time travel, but in "hold" (loop) mode you can.
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