Tube DIY Asylum

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Attacks and decays are most important to our hearing system in identifying characteristic timbre.

Posted by Timbo in Oz on February 16, 2017 at 22:07:06:
The continuous tone and its harmonics, (if the instrument can do a continuous tone,) comes third even when it is present.
This is unsurprising given percussion instruments, pianos, harpsichords and harps which don't do a continuous tone at all. And they still can be distinguished, even within a type, eg. Ziljan cymbals against lesser makes.
Amplifiers, and systems, need matching rise and decay times to get timbre right.
There's more! Much expression is in the attack and decay. ? Where the decay can be managed by the player.
Starting and stopping.