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Re: Effects drop out (was RE: Digitech GNX4)
You can indeed switch amp models within a patch. either using the
green/red amp footswitch or, I believe, using the control footswitch.
I've never noticed much of a gap when changing amp models within a patch.
Jim Palmer wrote:
>> ...still an issue with the GNX4?
> sadly the gnx-4 also does this.
> there are two distinctly different artifacts, which people often seem to
> that result from patch switching in guitar processors. brians question,
> which started this thread, has to do with modeling processors, which use
> microprossers to model amplifiers,preamps,etc. on all the modeling
> processors i've used (pod, gnx-3, gnx-4) there is a gap during patch
> changes while the amp model is reconfigured. no sound is output during
> this gap, and the sound is gated hard on both ends, which is quite
> disconcerting. the gnx-3 has a gap of ~100ms. a dual processor
> approach could fix this, but i don't know of any devices that do.
> stompbox mode in the gnx series allows you to turn single effects on and
> off. this works quite well, but obviously you can't switch amp models
> with it. you can switch amp models by morphing, but it's not as simple
> or convenient as changing patches.
> the sansamp units switch instantly, but i think they belong to a
> different category. most programmable tube preamps without built-in
> effects switch seamlessly.
> the other artifact is the stopping of time-based effects (reverb, delay,
> resonant filters, etc) while switching effects algorithms. there is no
> gap, just an audible stopping of the natural decay of the previous
> effects. this can be fixed by clever programming or dual processors.
> the digitech 2101se does this quite well. note that the preamp path of
> this unit is analog, so there is no gap between patches, even when using
> more than one processor per patch for effects.
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