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US 2026/0279327 A1Published application
Noise suppressing apparatus, noise suppression method, and program
AssigneeSony Group Corporation
InventorsShigetoshi Hayashi, Yoshiyuki Kuroda, Tetsunori Itabashi
Life of this patent
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Abstract
The present disclosure relates to a noise suppressing apparatus, a noise suppression method, and a program that make it possible to appropriately reduce noise. When a sudden sound is sensed on the basis of a sensor signal of a sensor in an FF-scheme NC apparatus, a drive signal to be supplied to an actuator in an FB-scheme NC apparatus is reduced. This can be applied to an NC apparatus.
Claims20
A noise suppressing apparatus comprising:
- a first processing section that executes a process to reduce noise at a control point by generating and outputting a sound to cancel the noise or a vibration to excite a noise-source vibrating object, on a basis of a first sensor signal including an acceleration of the object;
- and
- a second processing section that executes a process to reduce noise at a control point by generating and outputting a sound to cancel the noise or a vibration to excite a noise-source vibrating object, on a basis of a second sensor signal that is different from the first sensor signal and includes an acceleration of the object, wherein,
- when a sudden sound is sensed on the basis of the first sensor signal, a drive signal at the second processing section is adjusted.
1 more element
A noise suppression method comprising steps of:
- executing a first process to reduce noise at a control point by generating and outputting a sound to cancel the noise or a vibration to excite a noise-source vibrating object, on a basis of a first sensor signal including an acceleration of the object;
- and
- executing a second process to reduce noise at a control point by generating and outputting a sound to cancel the noise or a vibration to excite a noise-source vibrating object, on a basis of a second sensor signal that is different from the first sensor signal and includes an acceleration of the object, wherein,
- when a sudden sound is sensed on the basis of the first sensor signal, a drive signal in the second process is adjusted.
1 more element
A program for causing a computer to function as:
- a first processing section that executes a process to reduce noise at a control point by generating and outputting a sound to cancel the noise or a vibration to excite a noise-source vibrating object, on a basis of a first sensor signal including an acceleration of the object;
- and
- a second processing section that executes a process to reduce noise at a control point by generating and outputting a sound to cancel the noise or a vibration to excite a noise-source vibrating object, on a basis of a second sensor signal that is different from the first sensor signal and includes an acceleration of the object, wherein,
- when a sudden sound is sensed on the basis of the first sensor signal, a drive signal at the second processing section is adjusted.
1 more element
Dependencies are inferred from the claim text.