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:
Jul. 18, 2006

Filed:

Feb. 13, 2002
Applicants:

Leonard Raymond Colavito, Newtown, PA (US);

Liang Jin, Macungie, PA (US);

Kevin R. Kinney, Coopersburg, PA (US);

Rong Wang, Orefield, PA (US);

Inventors:

Leonard Raymond Colavito, Newtown, PA (US);

Liang Jin, Macungie, PA (US);

Kevin R. Kinney, Coopersburg, PA (US);

Rong Wang, Orefield, PA (US);

Assignee:

Agere Systems Inc., Allentown, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

Adaptive jitter buffer management, e.g., for playout of packetized data transmitted over a network. Playout delay is iteratively adjusted based on changing network traffic characteristics by varying the release threshold in a jitter buffer. The adjustment is carried out by evaluating three quantities: (1) average packet transit time over the network; (2) jitter of the packet transit time; and (3) additional waiting time due to the presence of out-of-sequence packets. This invention reduces negative effects of jitter and/or transmission irregularities, such as late arrival of packets and out-of-sequence packets, while maintaining relatively low playout delay and relatively high quality of service.


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