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:
Jan. 03, 2017
Filed:
Feb. 23, 2016
Bang & Olufsen A/s, Struer, DK;
Jesper Kjaer Nielsen, Aalborg, DK;
BANG & OLUFSEN A/S, Struer, DK;
Abstract
A method for estimating a distance between a first and a second loudspeaker characterized by playing back a first stereo source signal vector son the first loudspeaker, and playing back a second stereo source signal vector son the second loudspeaker, acquiring a first recorded signal vector x, using a first microphone arranged adjacent to the first loudspeaker, and acquiring a second recorded signal vector xfrom a second microphone arranged adjacent to the second loudspeaker, wherein xand xare N-dimensional vectors, setting the distance equal to ηv/f, where v is the speed of sound, f is the sampling frequency, and η is an estimated sample delay of a source signal played back on one of the loudspeakers and a recording acquired by a microphone at the other loudspeaker.