Sets the attack, decay, sustain, and release times of the envelope.
シンタックス
setADSR(attack, decay, sustain, release)パラメーター
attack
Number: how quickly the envelope reaches the maximum level
decay
Number: how quickly the envelope reaches the sustain level
sustain
Number: how long the envelope stays at the decay level
release
Number: how quickly the envelope fades out after the sustain level
Notice any errors or typos? Please let us know. Please feel free to edit src/Envelope.js and open a pull request!