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. 01, 2020
Filed:
Oct. 09, 2019
Echowell Electronic Co., Ltd., New Taipei, TW;
Hsi-Hsien Chen, New Taipei, TW;
ECHOWELL ELECTRONIC CO., LTD., New Taipei, TW;
Abstract
An audio system with sound-field-type nature sound effect includes: a first primary channel playing device for playing a primary audio signal generated according to a left channel audio signal and/or a right channel audio signal; a first secondary signal circuit for generating a first secondary audio signal according to the left channel audio signal and the right channel audio signal; and a first sound field control playing device connected to the first secondary signal circuit and adapted to play the first secondary audio signal; wherein a first playing delay period exists between the playing of the first secondary audio signal and the playing of the primary audio signal; wherein the first secondary audio signal played by the first sound field control playing device does not undergo audio mixing with the primary audio signal by a first audio mixing circuit.