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:
May. 23, 2006
Filed:
Sep. 29, 2004
Applicant:
Eric Cheng, Taipei, TW;
Inventor:
Eric Cheng, Taipei, TW;
Assignee:
C-Media Electronics, Inc., Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 5/02 (2006.01); H04R 1/10 (2006.01); H04R 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of performing sound effect comprising providing a headphone-like or earphone-like device with rear speakers carried therein, wherein the headphone-like or earphone-like device includes an opening for receiving the front speaker signal. Then, the signal is transmitted to the front, rear and sub-woofer signal to associated speakers. The signal to the rear speakers is processed by HRTF and means for creating virtual speakers to obtain virtual speakers of the rear side. The processed signal is transmitted to the rear speaker.