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:
Apr. 21, 2025
Filed:
Sep. 25, 2022
Roland Corporation, Shizuoka, JP;
Toshiyuki Ochi, Shizuoka, JP;
Yoshinobu Morimoto, Shizuoka, JP;
Roland Corporation, Shizuoka, JP;
Abstract
An audio processing device includes: a first low-pass filter (LPF) to which an audio signal is input; a circuit to which the audio signal is input, including a first high-pass filter (HPF) and a preamplifier; a second HPF to which the audio signal is input; a second LPF to which an output signal of the circuit is input; an extractor, extracting each of an output signal of the first LPF, an output signal of the second HPF, and an output signal of the second LPF at a predetermined ratio; and a mixer, mixing the output signal of the first LPF, the output signal of the second HPF, and the output signal of the second LPF that are extracted.