looping delay with "multiply" function; who makes one?

[Bob_Ross]

One of my favorite features of the old Oberheim (or Gibson) Echoplex Digital Pro was the ability to create a loop of a certain length, maybe overdub some material in it, maybe reverse some parts, blah blah blah... and then subsequently decide to lengthen the loop via a "Multiply" function: Basically turn your 4-bar loop into an 8-bar loop. (Or turn your 50-second loop into a 100-second loop.) 2X or 3X or 4X the original loop length, all at the touch of a button.

Now I'm trying to determine which currently manufacturered looping delays offer this same feature.

I know the Glou-Glou Loupé does. Any others? Pigtronix Infinity? Any of the current Electro-Harmonix loopers? Looperlative LP1 or LP2? What else is out there that can do this simple but handy trick?

Thanks.

 

[Snaxster]

One of my favorite features of the old Oberheim (or Gibson) Echoplex Digital Pro was the ability to create a loop of a certain length, maybe overdub some material in it, maybe reverse some parts, blah blah blah... and then subsequently decide to lengthen the loop via a "Multiply" function: Basically turn your 4-bar loop into an 8-bar loop. (Or turn your 50-second loop into a 100-second loop.) 2X or 3X or 4X the original loop length, all at the touch of a button.

Now I'm trying to determine which currently manufacturered looping delays offer this same feature.

I know the Glou-Glou Loupé does. Any others? Pigtronix Infinity? Any of the current Electro-Harmonix loopers? Looperlative LP1 or LP2? What else is out there that can do this simple but handy trick?

Thanks.

Bob, For my education, please say which does this multiply function does:

1. change duration without changing pitch (stretch)

2. change duration and change pitch (slow)

3. append silence for a net change in duration (add)

4. something other than the above

 

[Bob_Ross]

Bob, For my education, please say which does this multiply function does:

#4, something other than the above. Yes the duration changes while the pitch does not, but unlike your #1 above it does not accomplish this via any kind of time stretching. Rather, it simply appends a copy of itself to the end of itself.

So for example if your loop is 2 measures in length, sure you could just let it play twice to get 4 measures of material...but anything you added to that 2 measure loop would get played twice during the 4 measures. Whereas if you use the Multiply feature to transform your 2 measure loop into a 4 measure loop, now you can add material that doesn't repeat until after all four measures have gone by.

Make sense?

 

[Snaxster]

Bob, For my education, please say which does this multiply function does:

1. change duration without changing pitch (stretch)

2. change duration and change pitch (slow)

3. append silence for a net change in duration (add)

4. something other than the above

#4, something other than the above. Yes the duration changes while the pitch does not, but unlike your #1 above it does not accomplish this via any kind of time stretching. Rather, it simply appends a copy of itself to the end of itself.

So for example if your loop is 2 measures in length, sure you could just let it play twice to get 4 measures of material...but anything you added to that 2 measure loop would get played twice during the 4 measures. Whereas if you use the Multiply feature to transform your 2 measure loop into a 4 measure loop, now you can add material that doesn't repeat until after all four measures have gone by.

Make sense?

Yes, that makes sense. Thanks.

I would call that

5. append a copy for a net change in duration (duplicate)


With that established... Probably there are any current pedals that do this. But I don't know which.

A quick search led me to the well-known Boomerang make, whose Rang III seems to enable this (and much, much more besides). It can't do it with a single tap, however. See the user manual and study sections 10.10 "Copy" and 6. "Loop Play Style". It could be that if the loop play style is "Serial", then three taps will do what you want (via the Copy function).

 

[Wanker_Joe]

Neat feature! I've never seen that in a looper, but I love the idea.

That being said, while not quite the same I can accomplish the net result with my RC-50 (older loopstation with 3 independent loops): set the loops to be tempo synch but not length synch, then if I create my first loop at 2 bars long, all my other loops would be a multiple of it (same length, double length, etc) so that they stay in synch. I suspect the newer boss loopstations that have multiple loops might also be able to do something similar, but I haven't looked into it.