voice communication system

Test of Voice Channel in CDMA Base Station Controller;

CDMA基站控制器话音通路的测试

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

有限规模下网络话音复用带宽的仿真评估

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

分析了实现ＡＴＭ网中话音通信的各项技术的特点。

Research on the Speech Coding Standards of NGN;

下一代网络话音编码标准研究

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

一种基于回归神经网络的码本激励非线性预测话音编码算法

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.

提出了一种新的基于非线性局部预测模式(NLLP)的信号处理方法,并将其应用于话音编码中。

This paper discusses a kind of dynamic filter controlled by speech spectrum aiming at the serious entironment noise of coal mine underground,it can reduces noise infection to speech signal effectively and improves communication quality and increases communication distance.

针对煤矿井下严重的环境噪声影响 ,文章论述了一种受话音频谱控制的自适应动态滤波器。

The paper presents some problems encountered in running the ATM network for Hebei Electric Power Company, such as virus attacks causing excessive connection requests and service refusal, interconnection problems due to different software versions, voice service support, and hardware maintenance.

针对河北电力ATM网络在运行IP业务流程中出现的病毒给网络带来的过量链接请求,大量垃圾包引发拒绝服务问题;各节点因采用软件包不统一而导致业务受阻问题;在执行话音业务流程中出现的话音交换设备Passport因不支持7号信令,而引发的无法建立端至端链接且备用中继无法启动等一系列问题,例举了现象,并通过分析案例提出了问题。

The paper introduces the impact of time delay on QoS of different services,including voice service and general data service,expatiates the conceivable infection with the time delay based on the constellation system,to confirm the selection of satellite orbit altitude as constellation design.

文章首先介绍了卫星通信系统延时对不同业务的服务质量的影响,包括对话音业务、常规数据业务的服务质量的影响。

This paper presents voice services of the intelligent network s services in China analyses the implementation characteristics and the use range of all servicesand from several sidespresents the existing kinds and the trend of development about the voice services of the city s intelligent network in China.

智能网是现代电信业务网,文章主要介绍了目前我国智能网业务中的话音业务,分析了各种业务的实现方式、特点以及目前的使用范围,从多个方面阐述了目前我国城市智能网话音业务存在的种类和未来发展趋势。

This thesis gives a detailed introduction to the JTAPI composition and operation method and demonstrates the advantages of JTAPI on realizing voice transmission in commanding autoimmunization network.

详细介绍了JTAPI的组成及使用方法,并在此基础上论证了用JTAPI实现军用指挥网中话音传输优点,最后论述了在军网中用JTAPI开发语音通信的方法。

In this paper, reasons of bad voice transmission quality in the IP-Based wireless core network and some usual solving methods are introduced.

介绍了基于IP的无线核心网络中影响话音传输质量的原因及其常用的解决方法,并从改进话音传输协 议、进行业务量控制和提高话音分组处理效率几个方面,提出了改善话音传输质量的具体实现方法。

Evaluation on multiplexing bandwidth of finite scale packet-voice;

有限规模下网络话音复用带宽的近似评估