Signal Processing Method, Signal Processing System, and Speaker System
AssigneeYamaha Corporation
InventorsRyoya TABATA, Katsuya UCHIDA, Shota FURUKAWA, Tasuku KUROSAWA
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Abstract
A sound processing system includes a signal processor configured to determine, by use of a nonlinear model, an input voltage based on a target parameter, including a volume velocity at a sound port, for sound radiation utilizing Helmholtz resonance, the nonlinear model simulating a relationship in which an acoustic resistance at the sound port depends on the volume velocity at the sound port; and includes a voltage supplier configured to supply the input voltage to a speaker apparatus.
Claims17
A signal processing method implemented by a computer system, the method comprising:
- determining, by use of a nonlinear model, an input voltage based on a target parameter including a volume velocity at a sound port for sound radiation utilizing Helmholtz resonance, the nonlinear model simulating a relationship in which an acoustic resistance at the sound port depends on the volume velocity at the sound port;
- and
- supplying the input voltage to a speaker apparatus.
A signal processing system comprising:
- a signal processor configured to determine, by use of a nonlinear model, an input voltage based on a target parameter including a volume velocity at a sound port for sound radiation utilizing Helmholtz resonance, the nonlinear model simulating a relationship in which an acoustic resistance at the sound port depends on the volume velocity at the sound port;
- and
- a voltage supplier configured to supply the input voltage to a speaker apparatus.
A speaker system comprising:
- a speaker unit;
- a sound port for sound radiation utilizing Helmholtz resonance of a sound radiated from the speaker unit;
- and
- a signal processing system,
- wherein the signal processing system comprises:
- a signal processor configured to determine, by use of a nonlinear model, an input voltage based on a target parameter including a volume velocity at the sound port, the nonlinear model simulating a relationship in which an acoustic resistance at the sound port depends on the volume velocity at the sound port;
- and
- a voltage supplier configured to supply the input voltage to a speaker apparatus.
Dependencies are inferred from the claim text.