Patent · US Active

Audio processing apparatus and method for audio scene classification

US11776532B2 · kind B2 · utility

0Cited by

3References

20Claims

0Family size

Assignee

Huawei Technologies Co., Ltd. · CN

Inventors

Yesenia Lacouture Parodi · Munich, DE
Florian Eyben · Gilching, DE
Andrea Crespi · Busto Arsizio, IT
Jun-Xiong Deng · Gilching, DE

Key dates

Filing date	Jun 15, 2021
Grant date	Oct 3, 2023
Priority date	—
Expiry date	Oct 14, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG10L25/51
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

The disclosure relates to an audio processing apparatus (200) configured to classify an audio signal into one or more audio scene classes, the audio signal comprising a component signal. The apparatus (200) comprises: processing circuitry configured to classify the component signal of the audio signal as a foreground layer component signal or a background layer component signal; obtain an audio signal feature on the basis of the audio signal; select, depending on the classification of the component signal, a first set of weights or a second set of weights; and to classify the audio signal on the basis of the audio signal features, the foreground layer component signal or the background layer component signal and the selected set of weights.

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