YAMAHA SY85
An Attempt of a New SoundDiver Editor
SY85 Performance editor
I made a new SY85 Performance editor for
Emagic SoundDiver.
SoundDiver's TG500 editor works to some extent with SY85, but it's just an attempt of a kind of easy version. I owe effect SysEx data to Emagic's adaptation written by MaBu, M. Haydn & K. Hofmann.

Click to see the original size
To ameliorate SY85's MIDI problems, I made the first version of SoundDiver editor. It sends two Voice data and one Performance data while changing modes. I set the problematic cutoff scaling point at a very high key and made it irrelevant. This enables both deep editing and layering. But as it transmit over 700 bytes via MIDI at each parameter change, it works slow.
So I decided to make a new editor that use the Performance mode only.
The main idea is to avoid relative change complication.
Performace mode should be used to layer sounds in SY85, but this mode only allows relative change of Voice parameters. I don't like relative change because when we use it we won't really know what we are editing. So I set all the internal voices at the same setting, and changed only the waveform number. As the filter envelope disables filter LFO and aftertouch, I choose not to use it.
With this setting, SY85 can be used as a very simplified rompler.
4 waveforms are layered, the filter is controlled by LFO, and the Amp has one ADR envelope. Unfortunately, LFO also affects vibrato because of Performance Mode's limitation.

SY85P Editor diagram
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10. 15. 2005