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Volume 23 Issue 12
Dec.  2001
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Lan Julong, Huang He, Wu Jiangxing . A DIGITAL SPEECH INTERPOLATION ALGORITHM FOR THE PACKET SWITCHING SYSTEM[J]. Journal of Electronics & Information Technology, 2001, 23(12): 1303-1310.
Citation: Lan Julong, Huang He, Wu Jiangxing . A DIGITAL SPEECH INTERPOLATION ALGORITHM FOR THE PACKET SWITCHING SYSTEM[J]. Journal of Electronics & Information Technology, 2001, 23(12): 1303-1310.

A DIGITAL SPEECH INTERPOLATION ALGORITHM FOR THE PACKET SWITCHING SYSTEM

  • Received Date: 1999-04-05
  • Rev Recd Date: 2000-08-28
  • Publish Date: 2001-12-19
  • This paper presents an efficient algorithm for voice over packet switching system using the digital speech interpolation (DSI) technique. More than twice of the interpolation gain (IG) can be obtained by applying DSI to the voice channel. The adaptability of the packet switching networks to the source rate makes it easy for DSI to be realized. The combination of DSI and the packet switching system can significantly save the transmission bandwidth of the multiple voice channels. Theoretical and simulation results show the good performances of the algorithm.
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  • 肖丹,郭雷,程时端,ATM话音通信技术,电信科学,1997,13(2),44-48.[2]B. Petri, S. D. Schwetje, D. Telekom, Narrowband ISDN and broadband ISDN service and network interworking, IEEE Communication Magazine, 1996, 34(6), 84-89.[3]K. Sriram, R. S. McKinney, M. H. Sherif, Voice packetization and compression in broad-band ATM networks, IEEE J. on Select. Areas Commun., 1991, SAC-9(3), 294-304.[4]I. Robin, K. K. Chang, Voice quality control under dynamic encoding algorithms in ATM networks, Computer Networks and ISDN Systems, 1997, 29(3), 343-355.[5]D.M. alley, I. Y. kim, A. Atkinson, Audio services for an asynchronous transfer mode network,Bell Lab. Tech. J., 1995, 3(7), 80-91.[6]ITU-T建议G.763, 1994.[7]吕海寰,等,卫星通信系统(修订本),北京,人民邮电出版社,1994,253-271.[8]J. Pieselky, New trend in digital circuit multiplication technology, International Journal of Satellite Communication, 1990, 8(6), 454 458.[9]杨涛,吕晶,数字话路倍增技术,通信技术与发展,1997,3,31-33[10]金玉兰,译,国际通信网络中的高效话音、数据传输技术,电信技术研究,1991,1,1,77-82.[11]ITU-T Draft Recommendation I.363.2, 1997.[12]马丁德.普瑞克著,程时端,刘斌译,异步传递方式-宽带ISDN技术,北京,人民邮电出版社,1996年7月,132-134.
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