[A6] The infamous A6 FM

[David Evans]

On Tue, Jan 07, 2003 at 10:58:45AM -0600, Future Retro Synthesizers wrote:
> Hello all,
> I recently started using the A6, and am new to the list. I notice some 
> strange things when modulating oscillator A with oscillator B's 
> waveform. I play a note and set the FM to create a desired tone. I then 
> play the same key repeatedly and the tone varies for each new key press 
> (I assume this is due to different voices being used to play the tone). 

  Yep.  This is basically a FAQ.  The VCA that controls the FM index is not
calibrated by the CPU, so there's no way to ensure that it is the same for
all voices.  I don't know whether the hardware precludes such a calibration
or whether the software simply doesn't do it.

-- 
David Evans          (NeXTMail/MIME OK)             dfevans at bbcr.uwaterloo.ca
PhD Student, Computer/Synth Junkie         http://bbcr.uwaterloo.ca/~dfevans/
University of Waterloo         "Default is the value selected by the composer
Ontario, Canada           overridden by your command." - Roland TR-707 Manual