[islandlabs] How to: Play Guitar Hero with a Real Guitar

Burns, William burns at cshl.edu
Fri Mar 6 16:51:33 EST 2009


Either way is good for me.

-Bill 

> -----Original Message-----
> From: list-bounces at islandlabs.org 
> [mailto:list-bounces at islandlabs.org] On Behalf Of Peter Williams
> Sent: Friday, March 06, 2009 4:50 PM
> To: Island Labs main mailing list
> Subject: Re: [islandlabs] How to: Play Guitar Hero with a Real Guitar
> 
> So who will make the final call? do we meet tonight 
> (headcount=3 from Jonathan, Bill, and me), or do we postpone to Wed?
> 
> On Fri, Mar 6, 2009 at 1:51 PM, Burns, William <burns at cshl.edu> wrote:
> > Ok. I can be there by 7:00pm.
> >
> > -Bill
> >
> > ________________________________
> > From: list-bounces at islandlabs.org 
> [mailto:list-bounces at islandlabs.org] 
> > On Behalf Of Jonathan Dahan
> > Sent: Friday, March 06, 2009 12:43 PM
> > To: Island Labs main mailing list
> > Subject: Re: [islandlabs] How to: Play Guitar Hero with a 
> Real Guitar
> >
> > Heh tomorrow means friday (today).
> >
> > - Jonathan
> >
> > On Fri, Mar 6, 2009 at 6:47 AM, Burns, William 
> <burns at cshl.edu> wrote:
> >>
> >> Does "tomorrow" mean Friday, or Saturday?
> >>
> >> -Bill
> >>
> >> > -----Original Message-----
> >> > From: list-bounces at islandlabs.org
> >> > [mailto:list-bounces at islandlabs.org] On Behalf Of Jonathan Dehan
> >> > Sent: Friday, March 06, 2009 5:03 AM
> >> > To: Island Labs main mailing list
> >> > Subject: Re: [islandlabs] How to: Play Guitar Hero with a Real 
> >> > Guitar
> >> >
> >> > Soldering isn't the best idea - for prototyping, tape 
> should be ok. 
> >> > If the concept works well, I would totally be for making the rig 
> >> > permanent though. It would also be nice to get a head 
> count for 5 
> >> > or 7 pm tomorrow, since I will have to drive in from 
> manhattan and 
> >> > then back again after the meeting.  If it is just 2 of 
> us, it might 
> >> > be better to meet next week. It looks like both the 
> guitar project 
> >> > and mame box project can both move along next meeting, so wiki 
> >> > entries for both should be made so we know what to bring each 
> >> > meeting.
> >> >
> >> > --Jonathan
> >> >
> >> >
> >> >
> >> > On Mar 5, 2009, at 10:03 PM, Peter Williams 
> <petertw at gmail.com> wrote:
> >> >
> >> > > So who wants an islandlab meeting tomorrow, and what 
> time? (5 or 
> >> > > 7?)
> >> > >
> >> > > If Jonathan brings his guitar we have everything we 
> need to wire 
> >> > > up the latest idea and see how it works. (If you don't mind us
> >> > soldering
> >> > > wires to the frets that is)
> >> > >
> >> > > Peter
> >> > >
> >> > > On Tue, Mar 3, 2009 at 1:51 PM, Jim Robert 
> >> > > <jim.mixtake at gmail.com>
> >> > > wrote:
> >> > >> you could probably clip a piezo to your headstock or
> >> > bridge and use
> >> > >> it as a pickup... They work very well for this type of thing, 
> >> > >> and there are some clip on guitar tuners that use the 
> same concept.
> >> > >>
> >> > >> Then use a lowpass filter to get rid of as many of the upper 
> >> > >> harmonics as possible...  (circuit to make a lpf here:
> >> > >> http://en.wikipedia.org/wiki/Low-pass_filter)
> >> > >>
> >> > >> then get the frequency using an fft, and calibrate 
> the system to 
> >> > >> which frequency to use at each fret (or just get the
> >> > lowest one and
> >> > >> use a little math to calculate the rest)
> >> > >>
> >> > >> Voila :)
> >> > >>
> >> > >> I think that calibration is going to be inevitable since you 
> >> > >> can't count on a guitar to be perfectly in tune (and 
> even if you
> >> > can, you
> >> > >> can't count on your pickup to work exactly the same on
> >> > every guitar
> >> > >> OR that the frets will be perfect. Also, most people 
> will not be 
> >> > >> using pro level guitars, and small inaccuracies are 
> very common
> >> > >>
> >> > >> you may also want to add a function that keeps track of
> >> > the pitch of
> >> > >> the last 20 notes and calibrate the system on the fly to
> >> > keep loss of
> >> > >> intonation in check, which happens naturally as you play no 
> >> > >> matter what you do.
> >> > >> One more idea about detecting strums... I would use
> >> > amplitude to do
> >> > >> this...
> >> > >> many guitar players (myself included) rest their hand on
> >> > the strings
> >> > >> to mute them and accidentally touching the pick to a string 
> >> > >> would happen all the time.
> >> > >> This is a really cool project, I'd love to be a part of it. 
> >> > >> Maybe jonathan will let me do another blog post ;)
> >> > >>
> >> > >> Jim
> >> > >> _______________________________________________
> >> > >> List mailing list
> >> > >> List at islandlabs.org
> >> > >> http://islandlabs.org/cgi-bin/mailman/listinfo/list
> >> > >>
> >> > >>
> >> > > _______________________________________________
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> >> >
> >> _______________________________________________
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> >
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