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Musical instrument notes have a gradual onset before steady state

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tags	ja-picks, factual_claims, trade, singleton, category/factual-claims
aliases	@howard_acoustics_2017, loc. 1478

Sep 20, 20261 min read

Musical instrument notes have a gradual onset before steady state

Evidence

The periodicity in the waveforms develops gradually, and in all cases there is an appreciable time over which the amplitude of the waveform reaches its steady state. — David Howard, Jamie Angus, coustics and Psychoacoustics, 1478

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Musical instrument notes have a gradual onset before steady state
Evidence

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A looping rhythm in tempo octaves with faded extremes sounds endlessly accelerating
A note's onset, not its steady state or decay, most strongly determines perceived timbre.
Acoustic instrument notes are never truly steady, even in their sustain phase.
Acoustic instrument sounds constantly change even during steady-state portions
Flute harmonics enter one by one about 80 ms after the fundamental begins.
Instrument timbre develops over time as higher harmonics fade in after the fundamental.
Musical notes have distinct onset, steady-state, and offset acoustic phases.
David Howard, Jamie Angus — coustics and Psychoacoustics
David Howard, Jamie Angus — coustics and Psychoacoustics

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Musical instrument notes have a gradual onset before steady state

Musical instrument notes have a gradual onset before steady state

Evidence

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