摘要
采用话带调制解调器进行数字信息传输具有价格低、方便、灵活的优点,是目前广为人们采用的一种数据传输方式。最近通过的ITU-TV.34建议,使话带调制解调器的速度达到了28.8kb/s,从此话带调制解调器进入了超高速的新时代。本文论述了V.34建议中的新技术,并讨论了话带调制解调器的发展现状及未来趋势.
The voice band modem is widely adopted in digital data transmission as it is convenient 、flexible and of low cost .The recently approved V.34 recommedation by the ITU-T requires the of the voice band modem to be at 28.8 kb.This paper deals with the new technologies mentioned in the V.34 recommendation, analyzes their current development and predicts their future trend.
出处
《数字通信》
1996年第2期12-13,19,共3页
Digital Communications and Networks