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Re: BeatSync (was vortex info)



At 11:02 AM +0100 11/12/97, Haible Juergen wrote:
>       >The OB Echoplex can sync continuously to the old type of pulse
>clock from
>       >old sequencers and arpeggiators, using the BeatSync jack. It
>also works
>       >with other pulses, like drum triggers. You can even use audio
>sources, like
>       >a metronome output or a mic'd drum or even a guitar. Just has
>to be some
>       >kind of pulse. The sync operates the same as midi sync for
>setting loop
>       >times, and keeping them in time. The echoplex can also drive
>pulse clocks
>       >out the same jack, so you could sync the arpeggiator to the
>loop.
>
>This sounds amazing !

>Asuming in the "fast" part, the Echoplex would be triggered every
>500ms, and then suddenly the triggers only come every 10 seconds.
>Does the Echoplex really wait these 10 seconds until it resets its
>cycle, or does it only wait during some time "window" ?
>And what does it play from 0.5s to 10s during the first long
>loop (there isn't anything stored in this place of the RAM, I asume?)
>
>Sorry for the stupid question - I just cannot imagine what would happen.

No, it won't do that I'm afraid. As the clock varies within a certain
tolerance, the echoplex will stay in sync by retriggering the loop to keep
it lined up. But if the tempo changes too much, it assumes that you don't
want to stay in sync anymore and it stops trying. So then the loop just
plays on in its normal length. The echoplex can't do time stretching or
tape-speed-changing effects. Still very useful though, because most clocks
have a lot of jitter and drift around in speed. The sync keep things lined
up, so that the loop and the sequencer or whatever don't drift from each
other.

kim

______________________________________________________________________
Kim Flint                   | Looper's Delight
kflint@annihilist.com       | http://www.annihilist.com/loop/loop.html
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