Phaser/flanger sweep control

[StephenGiles]

My nephew sent me a mix of a recording he did which contained a short section of solo guitar chords which is phased, but with the sweep interrupted at each break in the chords, then continuing from the same place after the break.

I think there has been some discussion on this before, but it seems to me that to achieve this in analog, one would need to energise the sweep control voltage with a "signal present" message, which is held at the point it reached when a "no signal present" message is received until receiving the next "signal present" message.

Does that make sense, has it been done and if so where.

Thinks - yes it has been done before in the Aphex Compellor, for which sadly the important part of the circuitry is hidden!!

[Mark Hammer]

The Alesis Phlngr ( https://www.strumentimusicali.net/manuali/ALESIS_PHLNGR_ENG.pdf ) has a variety of modulation types, and allows for tempo syncing to an audio source's peaks.  It also allows for sweep interruption-and-reset, but to the best of my knowledge, does not allow for a stop-right-there-now-continue option.

It's a powerful little unit, and to my shame I have not learned how to exploit it.  That said, it is really more of a table-top unit than a floor pedal.

[StephenGiles]

Thanks Mark, I can't see any schematics obviously showing on the net, but I can put some feelers out. I'll also take a look at the EH Bi-Filter which from memory had a plethora of options.