I just sent the below email request to Sequential support.
For anybody else who thinks this would be a nice addition, please drop them a line to say so.
Hi,
I’d like to make a feature request if I may. As always, I know there’s no guarantee that it can or will be implemented.
I was wondering if it would be possible to add a third mode to the sustain pedal hold/release function. It would be brilliant if the Prophet envelopes could be given the secondary release time parameter like the OB-X8 has when a sustain pedal is pressed.
I’d envisage this mode being added to the current Globals setting for HOLD/RELEASE as something like RELEASE 2 (“rE2” in the display).
When the synth is set to this mode is and an attached sustain pedal is not pressed, the release time of both envelopes acts as it does currently; when the sustain pedal is pressed, notes played are given the alternative secondary release time set in the amp and filter envelopes. Each envelope should have its own separate secondary release time.
As for how the HOLD button behaves in this mode, I see two options:
BUTTON BEHAVIOUR - OPTION 1
Button light is unlit (state 1) when sustain pedal is not pressed (normal release times are used); light lights or flashes (state 2) when sustain pedal is pressed (secondary release times used). Having the light flash when the pedal is pressed would help to distinguish this new mode from the current modes. (Though in the current modes, there’s actually no visual way to distinguish between the HOLD and RELEASE modes on the button.)
This would allow secondary release to be used even when no sustain pedal is plugged in. When RELEASE button is in state 1, normal release times are used; when button is in state 2, secondary release times are used.
BUTTON BEHAVIOUR - OPTION 2
Alternatively you could have it so the button is steadily lit (state 1) when the sustain pedal is not pressed (indicating normal release times are in force). When sustain pedal is pressed, the light then blinks (state 2) to indicate that secondary release times are in force. (Or you could have slow blink/fast blink to indicate the two states.)
If no sustain pedal is plugged in, then pressing the RELEASE button would toggle between the two states: steadily lit to indicate normal release times, blinking to indicate secondary release times. (Or you could have slow blink/fast blink to indicate the two states.)
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As for actually setting the secondary release times, I again see a couple of options.
SETTING RELEASE TIME - OPTION 1
Normal release times would be set as they are currently by turning the RELEASE knobs of the envelopes.
Press and hold the HOLD/RELEASE button and turn the RELEASE knobs of the envelopes to set the secondary release times.
This would make adjusting the secondary release times always be a deliberate process. (Contrast with option 2.)
This would still make checking the stored values via the red dot in the display possible: turn the RELEASE knobs by themselves to see the normal release time settings. Turn the RELEASE knobs while holding the HOLD/RELEASE button to see the secondary release time setting.
SETTING RELEASE TIME - OPTION 2
Alternatively, have it such that normal release times are adjusted when the RELEASE button is in state 1, and secondary release times are adjusted when the RELEASE button is in state 2.
If doing it this way, it would be important for the RELEASE button to flash when secondary times are being edited to make it clear which release times were being edited.
This implementation might in some ways be preferable to the first option as it would only require one hand to make adjustments to the secondary release time, freeing the other hand to play test notes. (However, there are other settings on the synth which require two hands to make (such as unison detune) so maybe that’s not such a concern.)
Here users could even simply hold down the sustain pedal to adjust secondary release times and release it to adjust normal release times.
Again checking the stored values via the red dot in the display would still be possible: when the RELEASE button is in state 1, turn the RELEASE knobs to see the normal release time settings. When the RELEASE button is in state 2, turn the RELEASE knobs to see the secondary release time setting. (Again, sustain pedal can be used to change button state.)
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I believe this idea would add a brilliant function, allowing much smoother transitions between notes in certain situations. In the current RELEASE mode, notes played without the sustain pedal cut off abruptly as release times are set to zero, which sounds unnatural for piano-like patches. Having a secondary release function would allow relatively short (but, crucially, non-zero) values to be used for release when no pedal is pressed, and longer release times when the pedal is pressed.
Importantly, this implementation would not interfere with current behaviour if users were to choose one of the two existing HOLD/RELEASE modes.
Thanks for taking the time to read this.
Best wishes