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This is a prevalent pack of speech signal tool.It is helpful for ...

这是一个流行的语音信号处理工具包，在语音识别方面很有帮助。

Based on＂The Data Bank System of the Standard Phonetic Features of Different Level in PSC＂, the thesis analyzes the variants of affricative versus fricative in syllables: z, c ,s - zh, ch, sh - j, q, x which are obscure in physiology; analyzes timbre phonetic variants aroused from the different match of seven main simple vowels and initials as well as the tonal patterns with the help of drawing the synthetic spectrograph and pitch spectrograph. So that the data can be offered to describe phonemes in 396 syllables in common use according to the acoustic analysis.

本文在"普通话水平测试各等级标准语言特征数据库系统"的支持下，通过制作396个常用音节语音样本的音高图和综合语图，考察在普通话教学和测试中从生理角度难以准确把握的一组仅有细微差异的塞擦音和擦音声母z、c、s-zh、ch、sh-j、q、x在音节拼合中的变体；考察7个主要单元音在与不同声母拼合构成的音节中音质上的变化模式；考察四个声调的变化形式，力图从语音声学物理特征角度的分析中为普通话常用音节音位语音规范度的描写提供客观的数据说明。

In an assimilative process, successive sound is made identical, or more similar, to one another in terms of place or manner of articulation, or of haplology- the loss of one of two phonetically similar syllables in sequence.

语音同化过程使一个音受其毗邻的音的影响而发生音变，使其发音变得与其毗邻的音相近。语音同化的结果可以导致元音或辅音的丢失，可以导致元音的鼻音化，也可以导致语音形态的变化。

Abstraction :This paper analyzes the principle of Butterworth digital filter,discuss bilinear transformation method of filter design;record a piece of voice by Microsoft voice recorders, carry on its a time-domain analysis, spectral analysis;then design a specified Butterworth band-stop filter based on the theory of bilinear transform,analyze the filter by the tool named Fvtool;and filter the voice signal acquired by voice recorder.finally compare its characteristics of frequency domain and time domain,study the applications of Butterworth filter in digital signal processing ,in particular in signal denoising.

本文分析了巴特沃思数字滤波器的原理，探讨了双线性变换法设计滤波器的方法；用微软录音机采集一段语音，对其进行了时域分析，频谱分析；然后使用双线性变换法设计了一个的巴特沃思带阻滤波器，并且使用fvtool对设计的滤波器进行分析；然后利用该滤波器对采集的语音信号进行滤波。最后对比滤波前后的语音信号的时域和频域特性，研究了巴特沃思滤波器在信号处理尤其是信号滤波去噪方面的特性和应用。

A phonetist is mainly interested in the physical properities of the speech sounds, whereas a phonologist studies what he believes are meaningful sounds related with their semantic features, morphological features, and the way they are conceived and printed in the depth of the mind.

一个语音学家主要关心语音是怎样产生的，一个音位学家关心的是所谓"有意义语言"的数量、质量，它们的分布方式和组合方式，它们的形态学特征和语义特征，以及这些有限"有意义"语音和它们滋生的词在人们认知过程中的作用等等。

Focus on using the spectrogram to recognize. This paper completed the sampling, quantization and preprocessing of the voice signals, and extract characteristic parameters and map spectrogram by MATLAB 6.5. Besides, it also did some further analysis and verification on voice samples recorded by ourselves. Finally, there is an actual cases of voiceprint recognition in forensic expertise.

在MATLAB6.5平台上，完成了从语音样本的采样与量化、语音信号的预处理、特征参数的提取，直到语谱图的绘制，并通过对自行录制的语音样本进行分析，验证了声纹识别的理论以及本文所采用的分析方法，最后，介绍了本识别方法在实际案件中的应用。

cti-based water-power information system is an interactive voice response system using the voice server model.

基于cti的水电信息系统是一个采用声音服务器模型的交互式语音应答系统；深入的分析了水电信息系统的需求，给出了系统功能和系统结构图，绘制了语音子系统的工作步骤，给出了系统数据库的总体设计，同时给出了语音子系统与数据库交互的函数接口，较好的完成了远程汇报，查询和管理水电信息的任务。

Indeed, today's products -- most of all, the latest in speech rollrecognition – are a roll-out of technologies that have been percolating for years and that are based on an understanding of accumulate.

比较：的确，今日的产品，尤其是语音识别方面最新的产品，比较：的确，今日的产品，尤其是语音识别方面最新的产品，是过去多年的渗透和基于几十年来对语音理解的积累的技术延伸。

In addition, software module solution and realization of the gateway is the point in this article. This charpter, according to the software architecture, discribs the realization of three important module—CGI,voice process module and SIP stack module. Then the realization of voice process and SIP stack are discussed in detail.

其中网关软件模块解决方案及其实现是本论文的重点，在该部分根据所设计的软件架构，分别进行了图形用户接口、语音处理模块以及SIP协议栈模块的设计，详细论述了语音编解码和语音传输过程的实现，并对SIP协议栈的选取进行了重点分析和设计，通过开源SIP协议栈的比较，给出本系统的SIP协议的实现方案。

Its self-expansion mainly shows on IVR process as PSTN services were in the majority today. SIPCCS uses VoiceXML standard as IVR description text, and uses TTS and ASR technology building a full solution of IVR parse and control.

在当今PSTN服务需求占主流的情况下，SIPCCS的自扩展能力主要表现在IVR流程的扩展上，它使用语音脚本语言VoiceXML作为IVR的描述文本，利用语音合成技术和语音识别技术，设计了一套完整的IVR解析控制方案。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。