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Network bandwidth detecting method for implementing stream medium service

A streaming media server and network bandwidth technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as adverse effects on streaming media service quality, network resources cannot be efficiently used, and network bandwidth is calculated. To achieve the effect of improving the quality of media playback

Inactive Publication Date: 2004-08-04
HUAWEI TECH CO LTD
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  • Claims
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Problems solved by technology

The RTCP protocol also provides a quality feedback mechanism for data transmission. As part of the RTP transmission protocol, this mechanism is related to the flow selection and congestion control of the transmission protocol, but the feedback information given by this mechanism cannot be used to calculate the bandwidth of the network.
[0004] It can be seen from the above that, according to the existing mechanism of bandwidth feedback from the player to the streaming media server and the mechanism of transmission quality feedback, the actual network bandwidth from the user player to the streaming media server cannot be obtained, which will inevitably affect the streaming media services provided by the network. Quality has a negative impact and prevents efficient use of network resources

Method used

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  • Network bandwidth detecting method for implementing stream medium service
  • Network bandwidth detecting method for implementing stream medium service
  • Network bandwidth detecting method for implementing stream medium service

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Embodiment Construction

[0023] The technical solution of the invention can measure the network bandwidth from the user's player to the streaming media server when the user orders, calculate the change of the network bandwidth during the streaming process, and adjust the streaming quality according to the change of the network bandwidth. Specifically, when a user orders a streaming media program, the streaming media server sends a bandwidth test message including the current system time and random uncompressed data to the user player, and the user player feeds back the message to the streaming media server after receiving the above message. The streaming media server calculates the network bandwidth between the streaming media server and the user player according to the response message for measuring the network bandwidth. To make the bandwidth measurement more accurate, the bandwidth obtained multiple times can be averaged to obtain a more accurate bandwidth measurement value. In addition, during str...

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Abstract

A network bandwidth detecting method for implementing stream medium service includes such steps as requesting the stream medium program by user, transmitting bandwidth test message including the current and random non-compression data from the stream medium server to user player, feeding the response message from user player back to said server, calculating network bandwidth, playing the stream medium program while repeating said steps several times, and calculating the average network bandwidth. Its advantage is high stream medium reproducing quality.

Description

technical field [0001] The invention relates to a detection method of network bandwidth, in particular to a detection method of network bandwidth for realizing streaming media service. Background technique [0002] In a network that implements streaming media services, the streaming media server needs to transmit audio or video (A / V) files in a streaming manner. During transmission, it is necessary to select a program stream that matches the bandwidth to play according to the different bandwidths of the network. During the playback process, the stream rate is adjusted according to the change of the network bandwidth, so that the transmitted A / V information can automatically adapt to the bandwidth, and it can always be played in a smooth manner. In the process of implementing streaming media services, streaming media encoding tools can record media data into media streams of different speeds, and then store them in one media file or different media files. When a user request...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26
Inventor 余祥鑫
Owner HUAWEI TECH CO LTD
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