The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 24, 2020
Filed:
Oct. 30, 2017
Huawei Technologies Co., Ltd., Shenzhen, Guangdong, CN;
Panji Setiawan, Munich, DE;
Karim Helwani, Munich, DE;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
The invention relates to audio signal processing apparatuses and methods, such as an audio signal downmixing apparatus () for processing an input audio signal comprising a plurality of input channels () into an output audio signal comprising a plurality of primary output channels () and at least one auxiliary output channel () using a downmix matrix D, wherein the downmix matrix D comprises a primary downmix matrix Dproviding the plurality of primary output channels () and an auxiliary downmix matrix Dproviding the at least one auxiliary output channel (). The audio signal downmixing apparatus () comprises an auxiliary downmix matrix determiner () configured to determine the auxiliary downmix matrix D, and a processor () configured to process the input audio signal into the output audio signal using the downmix matrix D.