Method and an active device for treating noise on board a vehicle, and a vehicle provided with such a device
First Claim
1. A device for treating noise in the proximity of the head of a passenger of a vehicle, the device having at least one local noise sound sensor, the device also having at least one sound system for generating an anti-noise, each sound system being provided with a support and at least one sound actuator carried by the support, wherein the device comprises:
- a position sensor for determining the position of the head of a passenger;
at least one treatment unit connected to the local noise sound sensor to receive a local noise signal, the treatment unit being configured to deliver a control signal to each sound actuator, which control signal is a function at least of the local noise signal and of at least one transfer function per ear and relating to transferring soundwaves between a sound actuator and a passenger; and
active matching means co-operating with the position sensor to keep each transfer function that is used in preparing each control signal representative of a path to be traveled by the anti-noise, wherein the support includes respective support means for each sound system, with each support means carrying at least one sound actuator, and the active matching means including a movement system for continuously moving each support means as a function of the position of the head of a passenger so as to keep each transfer function used in preparing each control signal representative of the path to be traveled by the anti-noise.
2 Assignments
0 Petitions
Accused Products
Abstract
A noise treatment device (D) comprising at least one local noise sound sensor (30) and at least one sound system having a support (11, 12) and at least one sound actuator (21, 22, 21′, 22′). The device also includes a position sensor for determining the position of a person'"'"'s head, at least one treatment unit (40, 40′) connected to the local noise sound sensor to receive a local noise signal and configured to deliver a control signal to each sound actuator (21, 22, 21′, 22′), the control signal being a function of the local noise signal and of at least one transfer function per ear, and active matching means (70) co-operating with the position sensor in order to keep each transfer function used in preparing each control signal representative of the path to be traveled by the anti-noise.
21 Citations
20 Claims
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1. A device for treating noise in the proximity of the head of a passenger of a vehicle, the device having at least one local noise sound sensor, the device also having at least one sound system for generating an anti-noise, each sound system being provided with a support and at least one sound actuator carried by the support, wherein the device comprises:
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a position sensor for determining the position of the head of a passenger; at least one treatment unit connected to the local noise sound sensor to receive a local noise signal, the treatment unit being configured to deliver a control signal to each sound actuator, which control signal is a function at least of the local noise signal and of at least one transfer function per ear and relating to transferring soundwaves between a sound actuator and a passenger; and active matching means co-operating with the position sensor to keep each transfer function that is used in preparing each control signal representative of a path to be traveled by the anti-noise, wherein the support includes respective support means for each sound system, with each support means carrying at least one sound actuator, and the active matching means including a movement system for continuously moving each support means as a function of the position of the head of a passenger so as to keep each transfer function used in preparing each control signal representative of the path to be traveled by the anti-noise. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A device for treating noise in the proximity of the head of a passenger of a vehicle, the device having at least one local noise sound sensor, the device also having at least one sound system for generating an anti-noise, each sound system being provided with a support and at least one sound actuator carried by the support, wherein the device comprises:
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a position sensor for determining the position of the head of a passenger; at least one treatment unit connected to the local noise sound sensor to receive a local noise signal, the treatment unit being configured to deliver a control signal to each sound actuator, which control signal is a function at least of the local noise signal and of at least one transfer function per ear and relating to transferring soundwaves between a sound actuator and a passenger; and active matching means co-operating with the position sensor to keep each transfer function that is used in preparing each control signal representative of a path to be traveled by the anti-noise, wherein each sound system has a plurality of actuators, and the active matching means comprise control means for continuously controlling each sound actuator as a function of the position of a passenger'"'"'s head. - View Dependent Claims (16, 17, 18, 19)
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20. A device for treating noise in the proximity of the head of a passenger when seated in a seat of a vehicle, the device having at least one local noise sound sensor, the device also having at least one sound system for generating an anti-noise, each sound system being provided with a support and at least one sound actuator carried by the support, wherein the device comprises:
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a position sensor for determining the position of the head of a passenger when seated in a seat of a vehicle; at least one treatment unit connected to the local noise sound sensor to receive a local noise signal, the treatment unit being configured to deliver a control signal to each sound actuator, the control signal being a function at least of the local noise signal and of at least one transfer function per ear and relating to transferring soundwaves between a sound actuator and a passenger when seated in a seat of a vehicle; and active matching means co-operating with the position sensor to keep each transfer function that is used in preparing each control signal representative of a path to be traveled by the anti-noise, wherein the support includes respective support means for each sound system, with each support means carrying at least one sound actuator, and the active matching means including a movement system for continuously moving each support means as a function of the position of the head of a passenger when seated in a seat of a vehicle so as to keep each transfer function used in preparing each control signal representative of the path to be traveled by the anti-noise.
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Specification