VoIP Data Transmission System Based on G.729A

It uses Windows low-level audio API to record and broadcast voice packets, encodes and decodes through G.729A, and groups by TCP/IP protocol, transmits data packets by UDP on the SOCK_DGRAM SOCKET between the client and the server, So as to achieve the function of Internet voice communication. To en...

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Bibliographic Details
Published in:Applied Mechanics and Materials Vol. 443; no. Computer-Aided Design, Manufacturing, Modeling and Simulation III; pp. 354 - 358
Main Author: Shen, Yan Chun
Format: Journal Article
Language:English
Published: Zurich Trans Tech Publications Ltd 01.10.2013
Subjects:
Computer programs
Packet transmission
Software
TCP (protocol)
Telephones
Texts
Voice
VoIP (protocol)
VOIP
Audio API
Multi-Threaded Programming
TCP/IP Protocol
Socket
ISBN:9783037859100, 3037859105
ISSN:1660-9336, 1662-7482, 1662-7482
Online Access:Get full text
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Summary:It uses Windows low-level audio API to record and broadcast voice packets, encodes and decodes through G.729A, and groups by TCP/IP protocol, transmits data packets by UDP on the SOCK_DGRAM SOCKET between the client and the server, So as to achieve the function of Internet voice communication. To ensure user friendly interface, the premise here using multi-threaded programming. In addition, the system also in application-layer protocol adds the text chat function which based on TCP transmission. The essence of the design is to realize software to communicate by voice or text which based Windows operating system. The successful debugging of this software will have a positive effect on the PC to PC kind of VoIP communications system.
Bibliography:Selected, peer reviewed papers from the 3rd International Conference on Computer-Aided Design, Manufacturing, Modeling and Simulation (CDMMS 2013), September 21-23, 2013, Chongqing, China
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ISBN:9783037859100
3037859105
ISSN:1660-9336
1662-7482
1662-7482
DOI:10.4028/www.scientific.net/AMM.443.354