Parameter values related to time

Is there a standard translation between time-related parameter values and time? For example, is one unit of Attack a particular number of milliseconds? Does it increase linearly? Exponentially?

Is Decay the same across the amp envelope, the filter envelope, and the A and B envelopes?

I’m probably overthinking this, but I don’t have a good intuition for what various combinations of attack, decay, and release are going to sound like.

i think non linearity applies to all envelopes, but timings are probably different.

Modulation envelopes are actually BPM linked

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I’m surprised that the amp and filter envelopes don’t have the same parameter effects. That’s good to know as I try to mimic Buchla stuff.