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:
Dec. 17, 2024
Filed:
Sep. 29, 2020
D&m Holdings, Inc., Kanagawa, JP;
Sho Kodama, Kanagawa, JP;
D&M HOLDINGS, INC., Kanagawa, JP;
Abstract
[Problem] To generate acoustic profile information using a simple operation and without increasing the cost of a multichannel audio device. [Solution] A wireless recording playback terminalis positioned at a listening point of a multichannel audio deviceas a measuring microphone. The wireless recording playback terminalrecords, as channel playback data in accordance with a test signal playback command received from the multichannel audio device, a test signal outputted from a speakerthat corresponds to the channel designated by the command. The wireless recording playback terminalalso plays back the sound source of the test signal and records the played-back sound source as sound source playback data without being outputted to the outside from the speaker. An acoustic profile information generation servercompares these playback data to measure the delay time and attenuation rate of the channel playback data with respect to the sound source playback data, generates the acoustic profile information of the designated channel on the basis of the result of this measurement, and sets the generated acoustic profile information to the multichannel audio device