2 simple dsp effects, a micro-delay (hopefully per sample delay but smallest microsecond or sample chunks possible, maybe time based would be better) and all pass filter would be very cool and fit in with the new Doofer nicely. Especially if the Doofer could have some sort of 2 or 3 channel internal parallel routing? 
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also would love to see an interpolation algo for the multitap delay …for tape style echo effects
You can do track delays in milliseconds using this control:
4451 
What does an all pass filter do?
allpass filter changes the phase of a signal , altough the effect is not very dramatic , it can when used in feedback loops or pre/post other modules …
That’s how phasers are buit …all pass filters in serial …inverted ( polarity +/ - ) feedback loop …
So note developers .
PLease add a polarity button in the phaser …I am sure that’s just 1 line of code …
Right now the feedback is only +
Would not phase control do the same?
Phase control= adjust the phase …inverting phase (+/-) inverts it .
An invert phase -/+ in feedback loop would be the same as multiply by 1 ( positive ) or multiply by -1( invert ), this means you are inverting the phases of all the allpas filters before going back into the first one …
Same thing happens in the comb filter (which is essentialy a very short delayline ) …there is positive and negative feedback , same can be applied to phaser but for reasons unknown it is not implemented .
Interesting, but a millisecond is a fairly long jump in time for most effects. Using a delay with times stepped in milliseconds for stuff will be very staircased.
Allpass filters do change the phase of a signal but you can use them to change different frequency’s phase differently in time. Maybe to say they can warp a signal’s phase, makes sense? I’m sure the internet can tell you better than I can. 
Anyway, also a phase inverter. For some reason i thought the stereo dsp could do this, but I think it doesn’t.
Well it looks it gives you 3 decimal places for ms, so isn’t that like… micro…seconds?
Well, yes it does have finer time adjustment. So, that’s good. But that seems in no way automatable or usable in a doofer? 
The native delay itself is in increments of milliseconds.
Gainer can do that.
Thanks! Guess that’s where I thought I saw that.