Test of Voice Channel in CDMA Base Station Controller;

Simulation Analysis of Bandwidth Consumed on Finite-scale Packet-voice Multiplexing;

Transport of voice over asynchronous transfer mode (ATM) network is now an urgent task in ATM technical development.

Research on the Speech Coding Standards of NGN;

A code-excited nonlinear predictive speech coding algorithm based on recurrent neural networks;

Presented in this paper is a new signal processing method which is based on a nonlinear local prediction model (NLLP) and applied to speech coding.

It was analyzed the business functional requirements of Hohhot Railway Administration’s freight transportations integrated information services,introduced the design thinking,overall structure of Freight Transportation Integrated Information Service System,designed the system function from the telephone voice service,the short note service,the freight transportation marketing.

Introduction to develop multimedia telephone voice system with CTI technology and computer multimedia technological.