Priority-based buffer management

a buffer management and priority technology, applied in the field of media content, can solve the problems of user video stream that is unsatisfactory for supporting applications in a variety of contexts, excessive storage of media frames, and dwindling latency

Inactive Publication Date: 2014-06-05
VERIZON PATENT & LICENSING INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, MPEG and most other kinds of media streams are not designed with an objective of timely delivery of content, e.g., diminishing latency.
A media stream such as an MPEG stream reaching a STB can potentially face network jitter which can cause excessive storage of media frames, e.g., video frames, in a buffer in the STB.
At present, latencies caused by jitter often leave users with a video stream that is unsatisfactory for supporting applications in a variety of contexts.
Online gaming is one context in which media stream latencies may result in an unsatisfactory user experience.
Latencies in the MPEG stream may cause user inputs to be ill timed and / or ineffective, thus rendering the gaming experience unsatisfactory for the user.
However, as is the case with many media streams, MPEG video streams are not designed with an objective of timely delivery of content, e.g., diminishing latency.

Method used

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  • Priority-based buffer management
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Examples

Experimental program
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Embodiment Construction

[0011]FIG. 1 illustrates an exemplary system 100 for providing online gaming to a customer premise 101, for access by a user 102 through a content processing device 110 and a media player 115. Customer premises 101 may be a home, business, or any other location including content processing device 110, and may include multiple content processing devices 110.

[0012]Content processing device 110 generally is a specialized device, e.g., a set top box (STB) or similar device, for receiving media content 150 from head end 155 via a network 145, and for providing media content 150 to a media player 115. Media content 150 may be provided as an analog signal or as a digital signal, e.g., an analog or digital video signal including a media stream. Content processing device 110 generally includes a processor and a memory, and may be provided with a proprietary or specialized operating system. For example, content processing device 110 may be an STB provided with a real time operating system (RT...

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Abstract

Media units are stored in a buffer, wherein an importance rating is assigned to each of the media units. At least some of the media units are selectively flushed from the buffer based on the importance rating.

Description

PRIORITY-BASED BUFFER MANAGEMENT[0001]This application claims priority to U.S. Provisional Patent Application Ser. No. 60 / 860,278, entitled “STREAMING MEDIA BUFFER LATENCY MANAGEMENT” and filed Nov. 21, 2006, which is fully incorporated herein by reference in its entirety.BACKGROUND INFORMATION[0002]Streaming media generally refers to media content that is, or at least may be, played via playback software or a playback device at the same time that the media content is being downloaded from a source such as a media server. Streaming media content, e.g., video and audio content, may be provided according to a variety of standards and formats. For example, video standards such as QuickTime and RealMedia, and also standards promulgated by the Motion Picture Experts Group (MPEG), etc. are well known.[0003]Many standards for streaming media content, such as MPEG streaming content delivery, were designed with dual objectives of (1) preserving network bandwidth and (2) maintaining video qua...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04L12/865H04L47/6275H04L47/21H04L47/22H04L47/2416H04L47/30H04L47/32H04N7/16
CPCH04L47/6275H04L47/22H04L47/2416H04L47/2433H04L47/30H04L47/32H04L47/624H04L49/9078H04N7/163H04N21/23406H04N21/4335H04N21/44004H04N21/44008H04L47/50H04L47/12H04L47/10
Inventor BASSALI, HARPAL S.LECHNER, MARCELO D.MINWALLA, NOSHERWANALDREY, RAUL
Owner VERIZON PATENT & LICENSING INC
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