What it changes in the music
A quicker amplitude rise can make an onset more defined, while a slower one can blur the note boundary. Short notes may end before a long attack develops fully. The word also appears on compressors, where it describes gain-reduction response rather than the creation of a note. Always identify the device and destination when discussing an attack setting.
A small experiment
Play a short chord repeatedly and compare quick and gradual amplitude attacks. Keep note lengths fixed, then lengthen them to hear why the result changes.
Keep this distinction clear
Synthesizer attack and compressor attack are related time concepts but act on different processes. A larger value does not have the same musical consequence in every context.
Related sound terms
Technical background
- Ableton Learning Synths — Interactive synthesis fundamentals.
- MDN: OscillatorNode — Waveform and oscillator behavior in Web Audio.
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