超宽带IP网络环境下的视频分组丢失修复技术研究
基于IP超宽带网络传送视频节目已经成为三网融合背景下的发展趋势。相对于传统广电运营商的同轴广播网,IP网络更加复杂,出现分组丢失的可能性更大,可能会影响用户的观赏体验。目前的视频编码技术本身的冗余机制大多适用于同轴网络,因此有必要对IP网络中的视频分组丢失修复机制进行研究。本文分析了分组丢失对视频质量的影响,并对目前主流的分组丢失修复技术进行了针对性分析和比较,结合测试结果,给出了可行的分组丢失修复技术应用建议。...
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Published in | 电信科学 Vol. 28; no. 1; pp. 12 - 16 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
中国通信学会
2012
人民邮电出版社有限公司 中国电信股份有限公司广东研究院 广州510630 |
Subjects | |
Online Access | Get full text |
ISSN | 1000-0801 |
DOI | 10.3969/j.issn.1000-0801.2012.01.003 |
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Abstract | 基于IP超宽带网络传送视频节目已经成为三网融合背景下的发展趋势。相对于传统广电运营商的同轴广播网,IP网络更加复杂,出现分组丢失的可能性更大,可能会影响用户的观赏体验。目前的视频编码技术本身的冗余机制大多适用于同轴网络,因此有必要对IP网络中的视频分组丢失修复机制进行研究。本文分析了分组丢失对视频质量的影响,并对目前主流的分组丢失修复技术进行了针对性分析和比较,结合测试结果,给出了可行的分组丢失修复技术应用建议。 |
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AbstractList | TN919.8; 基于IP超宽带网络传送视频节目已经成为三网融合背景下的发展趋势.相对于传统广电运营商的同轴广播网,IP网络更加复杂,出现分组丢失的可能性更大,可能会影响用户的观赏体验.目前的视频编码技术本身的冗余机制大多适用于同轴网络,因此有必要对IP网络中的视频分组丢失修复机制进行研究.本文分析了分组丢失对视频质量的影响,并对目前主流的分组丢失修复技术进行了针对性分析和比较,结合测试结果,给出了可行的分组丢失修复技术应用建议. 基于IP超宽带网络传送视频节目已经成为三网融合背景下的发展趋势。相对于传统广电运营商的同轴广播网,IP网络更加复杂,出现分组丢失的可能性更大,可能会影响用户的观赏体验。目前的视频编码技术本身的冗余机制大多适用于同轴网络,因此有必要对IP网络中的视频分组丢失修复机制进行研究。本文分析了分组丢失对视频质量的影响,并对目前主流的分组丢失修复技术进行了针对性分析和比较,结合测试结果,给出了可行的分组丢失修复技术应用建议。 |
Author | 阮科 邹洁 朱永庆 |
AuthorAffiliation | 中国电信股份有限公司广东研究院,广州510630 |
AuthorAffiliation_xml | – name: 中国电信股份有限公司广东研究院 广州510630 |
Author_FL | Zhu Yongqing Ruan Ke Zou Jie |
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Author_xml | – sequence: 1 fullname: 阮科 邹洁 朱永庆 |
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DocumentTitleAlternate | Research on Video Packet Loss Remediation in Ultra-Broadband IP Network Environment |
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Keywords | 分组丢失修复 重传 视频 |
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Notes | video, packet loss remediation, retransmission Ruan Ke,Zou Jie, Zhu Yongqing (Guangdong Research Institute of China Telecom Co., Ltd., Guangzhou 510630, China) 11-2103/TN More and more video services and programs will be carried by uhra-broadband IP networks. Compared with traditional operator's coaxial networks, IP networks are more complex, packet loss is more likely to happen, and the user's experience will suffer a lot. Current video coding redundancy technologies are only feasible in coaxial network, it is necessary to research on the video packet loss restoration technologies in IP networks. This paper analyzes the impact of packet loss on video quality, compares the mainstream remediation technology, analyzes the test results. |
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Publisher | 中国通信学会 人民邮电出版社有限公司 中国电信股份有限公司广东研究院 广州510630 |
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Snippet | 基于IP超宽带网络传送视频节目已经成为三网融合背景下的发展趋势。相对于传统广电运营商的同轴广播网,IP网络更加复杂,出现分组丢失的可能性更大,可能会影响用户的观赏体... TN919.8; 基于IP超宽带网络传送视频节目已经成为三网融合背景下的发展趋势.相对于传统广电运营商的同轴广播网,IP网络更加复杂,出现分组丢失的可能性更大,可能会影响用户的... |
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SubjectTerms | 分组丢失修复 视频 重传 |
Title | 超宽带IP网络环境下的视频分组丢失修复技术研究 |
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