Title:
AUDIO DIAGNOSTICS IN A VEHICLE
Document Type and Number:
WIPO Patent Application WO/2020/160703
Kind Code:
A1
Abstract:
A method for diagnosing an audio system in a vehicle comprising generating (101) an audio signal of a particular frequency for at least one speaker in the audio system, transmitting (102) the generated audio signal to a compare function in the audio system in response to the generating of the audio signal, outputting (103) the generated audio signal in the at least one speaker in the audio system, receiving (104) the outputted audio signal in at least one microphone in the audio system, transmitting (105) the received audio signal to the compare function in the audio system in response to the receiving of the audio signal, determining (106) by the compare function a similarity between the generated and the received audio signal, and setting (107) a confidence level on the determined similarity based on a current operational mode of the vehicle
Inventors:
GUSTAFSSON TOMAS (SE)
DHAKSHANA MURTHY AJAY (SE)
DHAKSHANA MURTHY AJAY (SE)
Application Number:
PCT/CN2020/074287
Publication Date:
August 13, 2020
Filing Date:
February 04, 2020
Export Citation:
Assignee:
NINGBO GEELY AUTOMOBILE RES & DEVELOPMENT CO LTD (CN)
International Classes:
H04R29/00; G01M17/00
Foreign References:
| JP2017175245A | 2017-09-28 | |||
| US8964995B2 | 2015-02-24 | |||
| FR2997257A1 | 2014-04-25 | |||
| US5361305A | 1994-11-01 | |||
| CN1756444A | 2006-04-05 | |||
| CN2742706Y | 2005-11-23 | |||
| CN101089641A | 2007-12-19 | |||
| CN107743292A | 2018-02-27 |
Attorney, Agent or Firm:
KING & WOOD MALLESONS (CN)
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