re: PBS documentary

Adam B. Silverman wrote:

>Did anyone see the great PBS documentary about Harrison, Riley and Partch
>last night?



>A side thought is that I wish that more people on this list would
>announce such programs before they air, as well as all relevant concerts
>and lectures. It would be a shame to miss something good.

I only found out about it at the last moment. I got a couple of
phone calls about an hour before it was on. I really enjoyed the
documentary (the next morning). It was nice to hear Terry Riley's
un-released music. Well done!

* .. * ... .* D a v i d B e a r d s l e y
I M M P & B i i n k! m u s i c * ..
. .. . ..* . . .. . . . . .. .*..
.
dmb5561719@aol.com . . . * . . ...
* . .. * . .. . .. ... . ..
http://www.xingnet.com/immp/welcome.htm
. .. .*.. . .. . ..*. . .. . *. .


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>Is anyone here in charge of JI Calc? I have grown attatched to it, and
>have just upgraded my computer to a Power Mac, only to find that JI Calc
>doesn't work! Will there be a Powermac version available soon?

Adam -

The problem is the same with the JI Ear Trainer. Both rely on an external
command written by K. Romana Machado (http://www.fqa.com/romana/) that
effected polyphonic microtones by bypassing the Mac Sound Manager.
Unfortunately, when the hardware changed on the PowerMac, it no longer
worked. Robert Rich tells me Romana has no plans to write new code for the
PowerMac. If someone out there would like to take the time to write such
code, it would be a simple matter to drop it into JICalc and the JI Ear
Trainer. Any takers?

Bill

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
^ Bill Alves email: alves@hmc.edu ^
^ Harvey Mudd College URL: http://www2.hmc.edu/~alves/ ^
^ 301 E. Twelfth St. (909)607-4170 (office) ^
^ Claremont CA 91711 USA (909)621-8360 (fax) ^
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^




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> >Is anyone here in charge of JI Calc? I have grown attatched to it, and
> >have just upgraded my computer to a Power Mac, only to find that JI Calc
> >doesn't work! Will there be a Powermac version available soon?
>
> The problem is the same with the JI Ear Trainer. Both rely on an external
> command written by K. Romana Machado (http://www.fqa.com/romana/) that
> effected polyphonic microtones by bypassing the Mac Sound Manager.
> Unfortunately, when the hardware changed on the PowerMac, it no longer
> worked. Robert Rich tells me Romana has no plans to write new code for the
> PowerMac. If someone out there would like to take the time to write such
> code, it would be a simple matter to drop it into JICalc and the JI Ear
> Trainer. Any takers?

I had the same experience with JI Calc on my Power Mac, so a couple of weeks
ago I rewrote the external commands to access the Mac internal software
synthesizer (QuickTime Musical Instruments) and do microtones by pitch bend,
MIDI-style. Since QT has 1536/octave increments of pitch bend discrimination,
that means intervals will be at most 0.4 cents off. (I don't know how that
compares to the precision of the original.) One advantage is that you can
call up any of the QT synthesizer voices (reed organ, sawtooth, etc) and
try out a wider range of harmonic content; but then again, I've noticed
that in at least one of the QT voices (trumpet) some of the samples are up to
10 cents out of tune to begin with, so even a plain octave beats slightly.
Overall though, the results sound very good to my ear.

I'll post the code to my web site shortly (where you can also find some of
my MIDI tuning experiments, ranging from Ivor Darreg to do-wop). Send me
email if you're interested in the JI Calc code and I'll let you know when
it's available.
----------------------------------------------------------------------
|/ Ken Wauchope (wauchope@aic.nrl.navy.mil)
|\_| Naval Research Laboratory, Washington DC
_| http://www.aic.nrl.navy.mil/~wauchope/audio
----------------------------------------------------------------------

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Where can one find JI Calc?

Thanks.



John Maxwell Hobbs

jmax@interport.net http://www.interport.net/~jmax/



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