[chuck-users] Synth for use with guitar hex pickup

[Stefan Blixt]

Interesting! :) Do you know if they tried this out in some implementation
that we could have a look at?


On Sun, Mar 24, 2013 at 3:09 PM, Robert Poor <rdpoor at gmail.com> wrote:

> Julius might want to chime in, but as I recall, he and Phil Gosset
> came up with a really nifty technique for MIDI pitch tracking suited
> for guitars:
>
> As soon as you notice an attack, make a Wild Assed Guess as to the
> pitch and emit a NoteOn event.  Then, as the transient passes and you
> can actually start to detect the pitch, start emitting NoteBend events
> to correct your original guess.
>
> Your ear can't detect the pitch at the attack, but it is very
> sensitive to onset times, so this technique works pretty well.
>
> On Sun, Mar 24, 2013 at 6:55 AM, Stefan Blixt <stefan.blixt at gmail.com>
> wrote:
> > Re: latency - that's very true. OTOH, someone pointed out somewhere that
> > latency has been around as long as bands have needed to perform on big
> > stages in front of huge speaker stacks, due to the fact that the stacks
> are
> > positioned some distance away from the musicians, and sound needs to
> travel
> > a while before hitting the musicians ears. I'm not saying I'm used to
> > performing on big stages, just that latency doesn't have to be a
> > show-stopper, just a condition you need to work with. The problem then
> > becomes to make the latency consistent, which has been a problem for me -
> > some notes are detected later than others.
> >
> >
> > On Sun, Mar 24, 2013 at 2:23 PM, Kassen <signal.automatique at gmail.com>
> > wrote:
> >>
> >> On Sun, Mar 24, 2013 at 01:16:41PM +0100, Stefan Blixt wrote:
> >> >    Kassen, perhaps you're thinking about the YouRock guitar? I've been
> >> >    glancing at that one myself - looks like a clever piece of gear.
> >>
> >> Me too, but considering my collection I should really only get game
> >> controllers I have actual plans for.
> >>
> >> >    They're actually getting better at polyphonic pitch detection -
> there
> >> > are
> >> >    polyphonic tuners available (the TC Electronic app for iPhone), and
> >> > the
> >> >    RockSmith console game (great fun!) detects chords - though how
> well
> >> > it
> >> >    does isn't apparent, maybe they're faking it ;) I do think there's
> a
> >> > fair
> >> >    amount of latency involved in both of those though.
> >>
> >> Frankly I think that is unavoidable. Pitch detection takes time and
> >> the onset of guitar notes is really quite noisy on top of that. What
> >> I'd do if I wanted to get clever would be to first send that a
> >> transient has been detected and only once I were sure of the pitch
> >> send the pitch, then using some synth controlled by this that would
> >> also start with noisy attacks. That might be ok.
> >>
> >> I said it before but there really is no way around latency in pitch
> >> detection as pitch is inherently a time-based phenomenon. If the plan
> >> is to get new musical ideas that might not be a issue as you could run
> >> analysis at your leisure. For rocking out live it's either accepting
> >> the math or everyone's favourite strategy; cheat ;-)
> >>
> >> Yours,
> >> Kas.
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> >
> >
> >
> >
> > --
> > Release me, insect, or I will destroy the Cosmos!
> >
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