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A high-quality voice transmission method based on communication network

A voice transmission and communication network technology, applied in the field of network transmission and communication, can solve the problems of network bandwidth exhaustion, adjustment, and no solutions are proposed, and achieve the goal of improving real-time performance and effectiveness, improving QoS, and effectively adjusting the transmission rate. Effect

Active Publication Date: 2017-11-17
BEIJING ZHONGCHUANGWEI NANJING QUANTUM COMM TECH CO LTD
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AI Technical Summary

Problems solved by technology

The transmission of voice data on the Internet relies on network transmission protocols, including TCP and UDP transmission protocols. If multimedia data is transmitted with protocols that do not have any sorting, retransmission and congestion control, the network bandwidth will be exhausted rapidly, and as the network The deterioration of the state and the increase in the number of packet loss will also affect the transmission quality
The existing congestion control is not suitable for embedded devices with limited hardware conditions. It has not been adjusted according to the characteristics of embedded devices, and cannot meet the real-time and accuracy of voice data in embedded devices.
Therefore, for the above-mentioned problems existing in related technologies, effective solutions have not yet been proposed

Method used

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  • A high-quality voice transmission method based on communication network

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Embodiment Construction

[0029] The following and accompanying appendices illustrating the principles of the invention Figure 1 A detailed description of one or more embodiments of the invention is provided together. The invention is described in connection with such embodiments, but the invention is not limited to any embodiment. The scope of the invention is limited only by the claims and the invention encompasses numerous alternatives, modifications and equivalents. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. These details are provided for the purpose of example and the invention may be practiced according to the claims without some or all of these specific details.

[0030] The purpose of congestion control is to control network throughput, so as to achieve low packet loss rate, low network delay and low jitter. For the voice data server, the long-distance WAN communication is a major feature of it...

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Abstract

The invention provides a high-quality voice transmission method based on a communication network. The method comprises the following steps: with an embedded voice data server as a transmitting party, adding a sequence number and a time stamp to a packet header; judging a current network state by measuring the response data of a receiving party; according to the current network state, calculating a master control delay which is transmitted between every two data packets or every two groups of data packets at the next moment, and adjusting the voice transmission rate of the server on the basis of the master control delay. The invention provides a transmission control method for a voice data server with a limited hardware condition. The instantaneity and the validity of voice transmission are improved; the transmission rate is effectively adjusted; and the QoS is significantly improved.

Description

technical field [0001] The invention relates to network transmission and communication, in particular to a voice transmission method. Background technique [0002] In recent years, with the rapid development of the Internet and information technology, as well as the combination of servers and the Internet, how to optimize network protocols, efficiently transmit multimedia data under limited network bandwidth, and avoid network congestion has become an important issue for video and voice One of the development directions of media servers. The transmission of voice data on the Internet relies on network transmission protocols, including TCP and UDP transmission protocols. If multimedia data is transmitted with protocols that do not have any sorting, retransmission and congestion control, the network bandwidth will be exhausted rapidly, and as the network The deterioration of the state and the increase in the number of packet loss will also affect the transmission quality. Ex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00
CPCH04L1/0002H04L1/0018
Inventor 杨斌涛刘宇波
Owner BEIJING ZHONGCHUANGWEI NANJING QUANTUM COMM TECH CO LTD
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