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. 12, 2011
Filed:
Nov. 26, 2003
Ramanathan Meenakshisundaram, Ossining, NY (US);
Murali Mani, Chappaqua, NY (US);
Ramanathan Meenakshisundaram, Ossining, NY (US);
Murali Mani, Chappaqua, NY (US);
Trident Microsystems (Far East) Ltd., Grand Cayman, KY;
Abstract
A method of testing audio/video synchronization comprising calculating a frequency of a device used to encode a digital stream based on program clock references calculating first time differences between audio decoding time stamps and actual audio decoding times; calculating second time differences between audio presentation time stamps and actual audio presentation times; calculating third time differences between video decoding time stamps and 4 actual video decoding times; and calculating fourth time differences between video presentation time stamps and actual video presentation times.