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:
Aug. 23, 2016
Filed:
Nov. 14, 2013
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Takeshi Otani, Kawasaki, JP;
Taro Togawa, Kawasaki, JP;
Chisato Ishikawa, Kawasaki, JP;
Masanao Suzuki, Yokohama, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
An audio processing device includes a setting section that sets a reproduction sampling frequency Fand a recording sampling frequency Fhigher than F, a digital-to-analog converter that based on Fconverts a sound source signal that is a digital signal into a reproduction signal that is an analog signal, an analog-to-digital converter that based on Fconverts a recording signal that is an analog signal converter into an input signal that is a digital signal, a signal separator that separates the input signal into a low region signal contained in a band of less than Fand a high region signal contained in a band of the Fand higher, and a breakup detector that detects whether or not breakup is occurring in the reproduced sound based on power of the high region signal.