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:
Nov. 03, 2015
Filed:
May. 12, 2011
Shanjun Oak Zeng, Shanghai, CN;
Keith Hazelet, Chandler, AZ (US);
Tiehan LU, Shanghai, CN;
Liang Leon Cheng, Shanghai, CN;
Jie Wu, Shanghai, CN;
Shanjun Oak Zeng, Shanghai, CN;
Keith Hazelet, Chandler, AZ (US);
Tiehan Lu, Shanghai, CN;
Liang Leon Cheng, Shanghai, CN;
Jie Wu, Shanghai, CN;
Intel Corporation, Santa Clara, CA (US);
Abstract
Techniques are described for determining whether a stream is in a stable state and permitting adjustment of the PTS value when the stream is in a stable state. The stream can be in a stable state when PTS values received over a period of time do not change unexpectedly. For example, when the stream is in a stable state, the PTS value for audio or video can be adjusted based on system buffer levels, i.e., over flow or under flow. The amount of adjustment of the PTS value can be based on whether the buffer level appears to be moving into greater overflow or underflow. In some cases, when the stream is not in a stable state, the audio is permitted to be played back at a sample rate and video is permitted to be played back at a frame rate instead of being controlled by PTS.