Multi-source flow media transmission QoS control method

A technology for media transmission and control methods, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as inability to dynamically adjust, require network support, and complex problems, improve transmission quality, and reduce delay and packet loss rate. , the effect of network resource optimization
CN1744592AInactive Publication Date: 2006-03-08XI AN JIAOTONG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
XI AN JIAOTONG UNIV
Publication Date
2006-03-08
Estimated Expiration
Not applicable · inactive patent

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Abstract

The method includes five modules: interpreter for description language of multiple source stream media, bandwidth allocation of multiple source stream media, fixed value breadth examination, data transmission control, and RTP / RTCP. Based on MSML file, MSML interpreter obtains URL of each path of stream media, and requirement of transmission quality. Based on requirement of QoS of stream media transmission and bandwidth value obtained by detection module, the bandwidth allocation module determines transmission rate and encoding of each stream media. Based on VCR command and state of buffer, module of data transmission controls media transmission. RTP / RTCP module realizes ordered transmission in real time. The method realizes QoS control to lower transmission delay and packet lose rate. The invention is suitable to application areas such as video on demand in multiwindow, network video monitoring, network instruction on demand, and live programme etc.
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Description

technical field

[0001] The invention belongs to the technical field of computer design and application, relates to computer software, data transmission technology, multimedia technology and IP network, and particularly relates to a multi-source streaming media transmission QoS control method. Background technique

[0002] At present, the main object of QoS research on streaming media transmission is single-channel streaming media, and the methods to solve the problem are mainly through buffer scheduling, network resource reservation and other methods. When performing single-source streaming media transmission, the effect is better, but when performing multi-source streaming media transmission QoS control, the effect of the above techniques is not ideal.

[0003] For the QoS control method for multi-source streaming media transmission, the applicant retrieved 4 documents closely related to the present invention through a novelty search, which are respectively:

[0004] 1. Mu...

Claims

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