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.

Date of Patent:
Apr. 22, 2014

Filed:

Jun. 29, 2009
Applicants:

Kang Eun Lee, Hwaseong-si, KR;

Do-hyung Kim, Hwaseong-si, KR;

Chang Yong Son, Gunpo-si, KR;

Inventors:

Kang Eun Lee, Hwaseong-si, KR;

Do-Hyung Kim, Hwaseong-si, KR;

Chang Yong Son, Gunpo-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 5/033 (2006.01);
U.S. Cl.
CPC ...
Abstract

A surround sound virtualization apparatus and method. The surround sound virtualization apparatus may include an audio decoder to perform head-related transfer function (HRTF) filtering, and a time delay unit to provide a time delay to a plurality of output signals of the audio decoder.


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