Patent · US Active

Method and system for repetitive noise identification

US12294839B2 · kind B2 · utility

0Cited by

0References

20Claims

0Family size

Assignee

Hong Kong Applied Science and Technology Research Institute Company Limited · CN

Inventors

Pui Ho Lam
Tze Yui Ho
Man Li · 红钢城街道, CN
Jingyi Xu · York, US
Wai Cheong Ku

Key dates

Filing date	May 5, 2023
Grant date	May 6, 2025
Priority date	—
Expiry date	Jan 24, 2044

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2420/07
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A method for analyzing environmental sounds to identify repeating noises due to power equipment for purposes of controlling noise pollution is disclosed. Ambient sounds are sampled with microphones and the resulting data analyzed by an edge computing device. The samples are compared to stored data with a convolutional neural network by the edge computing device which also performs pitch shifting and cycle shifting to reduce false negatives. Positive results are reported via LoRa and/or 4G to a cloud platform and/or backend server.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.