A method of reducing a noise level within a compartment of a railway vehicle affected by noise-producing equipment items is provided. The method includes: providing a sound database which relates operational states of the vehicle to respective noise signatures produced by the equipment items; determining the present operational state of the railway vehicle; selecting one or more noise signatures from the database corresponding to the present operational state; creating a noise cancellation signal from the selected noise signatures; and transmitting the noise cancellation signal into the compartment to reduce the noise level within the compartment.
Railway vehicle noise level reduction
2023-03-01
Patent
Electronic Resource
English
Noise reduction control method, air conditioning unit, railway vehicle and noise reduction device
European Patent Office | 2021
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