Application of Variable Bit Rate Video in IPTV on Demand Services

Chuanfei Luo; Weijia Shi; Qing Xiao

doi:10.3969/j.issn.1000-0801.2014.05.003

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Application of Variable Bit Rate Video in IPTV on Demand Services

Topic: Internet video intelligent technology | 更新时间：2024-06-05

- Application of Variable Bit Rate Video in IPTV on Demand Services
- Telecommunications Science Vol. 30, Issue 5, Pages: 20-26(2014)
- 作者机构：
  
  1. 中国电信股份有限公司上海研究院上海 200122
  2. 中国电信IPTV实验室上海 200122
  1. 中国电信股份有限公司上海分公司上海 200120
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.1000-0801.2014.05.003
  CLC：
- Published Online：2014-05，
  
  Published：15 May 2014
- 稿件说明：
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Chuanfei Luo, Weijia Shi, Qing Xiao. Application of Variable Bit Rate Video in IPTV on Demand Services[J]. Telecommunications science, 2014, 30(5): 20-26.
DOI：

Chuanfei Luo, Weijia Shi, Qing Xiao. Application of Variable Bit Rate Video in IPTV on Demand Services[J]. Telecommunications science, 2014, 30(5): 20-26. DOI： 10.3969/j.issn.1000-0801.2014.05.003.

摘要

通过对VBR 视频流量进行工程建模，结合IPTV 用户点播时间间隔分析聚合VBR 视频流量特性，研究表明在兼容现有终端和平台系统的情况下，即使不采用任何视频平滑处理，在IPTV点播业务中通过应用大规模VBR视频流的统计随机特性进行自我平均（self-average）也可获得30%～50%的统计增益，并通过大规模现场试验验证了VBR视频自平均特性在IPTV点播业务中的可行性和有效性。

Abstract

Based on the engineering model for VBR video traffic

the flow characteristics of VBR video based on user requested arriving time interval was analyzed. Studies show that in compatible with the existing IPTV terminal and platform system

even without the use of any video smoothing technology

self-average can be obtained 30%～50% statistical gain through using statistical random characteristics of large scale VBR video traffic in IPTV on demand business. The feasibility and effectiveness of VBR video“self-average”characteristics in the application of IPTV on demand services were verified.

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references

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宽带中国战略公布：2015年城市家庭网速20Mbit/s . http://news.qq.com/a/20130817/005970.htm http://news.qq.com/a/20130817/005970.htm

Rose O . Statistical properties of MPEG video traffic and their impact on traffic modeling in ATM systems . Proceedings of the 20th Annual Conference on Local Computer Networks , Minneapolis, MN , 1995 : 397 ～ 406

Avramova Z . Multiplexing gain of capped VBR video . Proceedings of Workshop on QoS and Traffic Control , Paris France , 2005

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Bugajski M . Use of variable bit rate video in digital CATV interactive services . Broadband , 2009 （ 2 ）

黄天云 . 视频流量分析与QoS管理 . 成都：电子科技大学出版社， 2007

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