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wow.

too bad I got an arduino for xmas and am about to get a PowerPak for my birthday.

Yup, that's just too bad...

!

...So hopefully some feedback soon.

That is interesting info and still relevant to today's music.
Such variations and quirks give a tune some "machine soul" which adds a much deeper layer of complexity to what you hear in the music.

Error and fallibility, not totally random either but rather with a chaotic non-linear pattern. I think it's part of what we enjoy when listening to a human performer.

IMHO we do well to study such things and try to incorporate them back into 'modern' technique.

on
http://blog.ntrq.net/wp-content/uploads … vMenu.html
it says,
"The Navigation Menu is accessed at any time by holding SELECT and tapping DOWN. "
Does that text need to be updated?

That touches on a related question I've been wondering about:

If timers and interrupts are used, could the Arduino be used to directly synthesize PWM oscillator waveforms?
Is this how some people are already doing it?

(To try and be clear, I'm not talking about putting samples through an A/D at 44kHz, I'm talking about directly toggling output pins at varying frequencies and duty cycles, using the 16MHz clock as the fundamental timing source; i.e. more similar to NES or C64 pulse wave generation.)

How many voices and what quality would be doable?

@trash80--
I agree with your way of thinking that quantizing incoming beats to intervals of 1/60 s may be on the sloppy side, and that's probably the crucial question to ask. I was trying to say the same thing, just phrased in terms of jitter.

As a minor point, midi output from a PC does in fact exhibit jitter, and usb ones are often the worst kind-
See e.g.
this forum thread

offtopic:  Sodium Sonet is a killer track, that's you right? 

Definitely the final design should include a way to get Midi Clock input; however if the DIN Sync cable is cheap and easy, it might still be the quicker way to test the synchronization concept.

If the final design was modular with two stages (midi->voltage) and (24ppq->4ppq), then perhaps the 2nd stage would be quite cheap and people who only need Din Sync input or already have a midi->din sync converter could just pay for that part.

I like the point about building in lsdj/nanoloop sync; it's an appealing concept to have a 'Sync anything to the NES' box.

I haven't tried the arduinoboy... does anyone know off the top of their head the basic sync approach used there and how well it works?

@nickmaynard-- Yeah it's good to consider how lag times will operate and how to compensate for it. To clarify, in that quote I wasn't talking about lag, but rather about jitter= random timing variation from beat to beat.

If you stick to the "Sixteenth-Note Sync Pulse" idea, couldn't someone still make a cheap Sync24->NES converter cable by dividing down the clock and passing through the 'start' signal?

Following that train of thought, it would be pretty sweet to have a converter that could take as input any of these:
-DIN Sync 24
-MIDI Clock
-Audio clicks at either 24ppq or 4ppq

Just brainstorming. Full 24ppq sync would also be great if it turns out to be doable.