Re: SV: Demo of Repeater in slomo?

[Robert van der Kamp <robnet@wxs.nl>]

Kim Flint wrote:

> At 02:19 PM 9/13/2001, Per Boysen wrote:
> > > -----Ursprungligt meddelande-----
> > > Robert van der Kamp
> > > Am I correct that when changing the pitch of a given track, its
> > > speed does not change?
> >
> >Yes, that's correct. And the other way around; if you change speed the 
>track
> >does not change pitch.
> >
> > > Supose I want 'real' slomo, changing both the speed and pitch
> > > of all 4 tracks, and the Repeater is synced to an external clock,
> > > what would I do to get this done?
> >
> >Try bringing down the tempo of that external clock. But Repeater does 
>not
> >change tempo on the spot, it kind of slows down over a couple of beats.
>
> What Robert is looking for is an effect like tape speed change, or delay
> time change on old delays, where changing the speed *does* change the
> pitch.

Correct.

> Among Loopers, that effect has always been see as a good and
> desireable thing, while among remix artists it is apparently a bad thing.
> (I assume that is why the repeater doesn't work that way?)
>
> So no, the repeater does not do the tape speed slow down effect. Speed 
>and
> pitch change are independent. You could probably rig up a midi continuous
> controller setup where two midi cc messages were sent at the same time to
> control both pitch and time. (I haven't tried this, so I don't know if it
> works or how much it sounds like a real slow-down effect.)  With real 
>tape
> speed or delay time slow downs you don't get artifacts in the audio. with
> sustained sounds in the repeater, you get artifacts when you time 
>stretc. I
> have experienced that with long sustained chords the speed correction
> causes artifacts after 5-10BPM of change.

Ah, and how do these artifacts sound? I'd love to hear this effect.
BTW, pitch changes do not produce any artifacts? Only speed changes?

> Some of you probably want those
> artifacts, so it is good I guess. If you weren't expecting it, you'll
> probably find it annoying.

Now I'm curious! ;)
I currently use an Emu sampler for the slowdown effect, and it does
a beautiful job at that. I was hoping the the Repeater could provide
me with a more real-time interface for the same trick.

- Robert

>
>
> kim
>
> ______________________________________________________________________
> Kim Flint                     | Looper's Delight
> kflint@loopers-delight.com    | http://www.loopers-delight.com