Sound processing method and sound processing apparatus
AssigneeYamaha Corporation
InventorsRyunosuke DAIDO, Hiraku KAYAMA
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Abstract
A sound processing method includes a step of applying a nonlinear filter to a temporal sequence of spectral envelope of an acoustic signal, wherein the nonlinear filter smooths a fine temporal perturbation of the spectral envelope without smoothing out a large temporal change. A sound processing apparatus includes a smoothing processor configured to apply a nonlinear filter to a temporal sequence of spectral envelope of an acoustic signal, wherein the nonlinear filter smooths a fine temporal perturbation of the spectral envelope without smoothing out a large temporal change.
Claims6
A sound processing method comprising:
- applying a nonlinear filter to a temporal sequence of spectral envelope of an acoustic signal, wherein the nonlinear filter smooths fine temporal perturbation of the spectral envelope without smoothing out large temporal change.
A sound processing apparatus comprising:
- a smoothing processor configured to apply a nonlinear filter to a temporal sequence of spectral envelope of an acoustic signal,
- wherein the nonlinear filter smooths a fine temporal perturbation of the spectral envelop without smoothing out large temporal change.
Dependencies are inferred from the claim text.