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Stream synchronization for live video encoding

A live video and video encoding technology, applied in the field of video encoding, can solve problems such as unsatisfied

Active Publication Date: 2014-12-10
CISCO TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This requirement will not be fulfilled if the encoding systems do not start synchronously with each other

Method used

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  • Stream synchronization for live video encoding
  • Stream synchronization for live video encoding
  • Stream synchronization for live video encoding

Examples

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Embodiment Construction

[0062] Embodiments of the invention will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Like reference numerals denote like elements throughout.

[0063] It should be understood that although the terms "first", "second", etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present invention. As used he...

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Abstract

Methods of encoding a live video signal in a video encoding system including a plurality of video capture and encoding subsystems include providing the live video signal and an associated time code signal to the plurality of video capture and encoding subsystems, starting video capture and encoding in a first one of the subsystems at a first frame of the live video signal, starting video capture and encoding in a second one of the subsystems at a second frame of the live video signal that is later than the first frame, generating encode frame timestamps for the second frame in both the first and second video capture and encoding subsystems that are synchronized across the first and second subsystems, and associating the encode frame timestamp with the second frame in both the first and second subsystems. Related systems are also disclosed.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit and priority of U.S. Provisional Patent Application No. 61 / 108,946, filed October 28, 2008, entitled "LIVE VIDEO ENCODER STREAM SYNCHRONIZATION," the contents of which are hereby incorporated by reference All methods are incorporated in this article. technical field [0003] The present invention relates to video encoding, and more particularly, the present invention relates to systems and / or methods for encoding live video streams. Background technique [0004] The speed of users' broadband Internet access generally varies. In September 2008, the leading DSL provider in the United States offered users four DSL options with maximum download speeds ranging from 768Kb / s to 6Mb / s. During the same period, leading cable providers offered modem service with maximum download speeds ranging from 768Kb / s to 10Mb / s. In both cases, the download speeds quoted are maximum rates and not guaran...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/8547H04N7/24
CPCH04N21/242H04N21/23439H04N21/2365H04N21/234363H04N21/8547H04N21/4347H04N21/44016H04N21/23424
Inventor S·C·拉布罗兹P·G·贾科布森
Owner CISCO TECH INC