MOTM

Very cool Mike.  Hmmm...I wouldn't be surprised if the MP3 encoding process
loses some of the detail and therefore the timbre is a bit off.  (I guess
this could be checked by playing the mp3 through the scope.)  This is a good
starting point for more complex sounds.  Did I hear some Time Machine in one
of those clips?  That one sounded wack.

George

----- Original Message -----
From: mmarsh100 <mmarsh@...>
To: <motm@yahoogroups.com>
Sent: Friday, July 12, 2002 2:08 PM
Subject: [motm] Granular Synthesis on MOTM


> Hi All -
>
> Just back from vacation.  Two weeks away from all musical tools is a
> recipe for epiphane, albeit a painful wait to try things out.
>
> Here is a way to do basic granular synthesis using only four
> modules: two oscillators, on EG, and a VCA.  For theory check out
> Curtis Roads' "Microsound" from MIT Press.
>
> Oscillator one is set at 20 Hz to about 800 Hz (between about 2 and
> 4.5 on the COURSE knob) and will output pulses in the 10 to 50 msec
> range (you do the math, I suck at it).  The PULSE output is sent to
> the GATE or TRIGGER in of the EG. The EG's DECAY and RELEASE are set
> to zero with ATTACK and SUSTAIN set to about 2.  The + OUT of the EG
> goes to a 110 CV IN.  Another oscillator's SIN out is sent to the
> 110's IN (this is the signal to be granulated).  Send the out to the
> console, but if you have a scope send it there, too.
>
> Play with the COURSE knob on oscillator 1 and the ATTACK and SUSTAIN
> values on the EG.
>
> What's happening is that we are 'granulating' the output of the
> second oscillator.  Each granule has it's own little envelope but is
> played at a rate below which we can detect pitch.  Taken together
> the grains create a new timbre and texture.
>
> Cool!
>
> Try feeding ANYTHING into the IN of the VCA (guitar, vocals, drum
> loops, sequences).  Paul suggested MiniWave, which is a great idea...
>
> Mike
>
> PS - Paul, the 700 doesn't work as well for 'chopping' as you put
> it, because the 'envelope' in AUDIO mode is fixed at 5 msec which is
> not that usefule in granular synthesis.  Makes a cool weird noise,
> though!
>
> m