(19)
(11) EP 4 825 059 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 23833596.2

(22) Date of filing: 15.12.2023
(51) International Patent Classification (IPC): 
H04S 7/00(2006.01)
(52) Cooperative Patent Classification (CPC):
H04S 7/301; H04S 2400/13; H04S 7/303
(86) International application number:
PCT/CN2023/139088
(87) International publication number:
WO 2025/123321 (19.06.2025 Gazette 2025/25)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(71) Applicant: Harman International Industries, Incorporated
Stamford, CT (CN)

(72) Inventors:
  • LU, Luke
    Shenzhen, Guangdong 518067 (CN)
  • TANG, Chuanlong
    Shenzhen, Guangdong 518067 (CN)
  • ZHENG, Jianwen
    Shenzhen, Guangdong 518067 (CN)

(74) Representative: Westphal, Mussgnug & Partner, Patentanwälte mbB 
Werinherstraße 79
81541 München
81541 München (DE)

   


(54) METHOD AND APPARATUS FOR CALIBRATING MULTIPLE AUDIO DEVICES INCLUDED IN A SYSTEM