Control Method of Vocoder in CDMA System Based on IP

基于IP的CDMA系统中 声 码 器的控制方法

Study on Digital Wireless Voice Transmit System Based on AMBE Vocoder

基于AMBE 声 码 器的数字对讲无线语音传输系统研究

This paper introduces the design of a voice communication system based on the AMBE-2000TM vocoder chip .

介绍了应用 AMBE-2000TM声码 器芯片设计的语音通信系统的具体实现方案。

Compared with available MBE coding this vocoder has improvements at two points .

这种 编 解码器与现有的MBE编 解码器相比在两个方面有所改进。

Speech Coding at Extremely Low Bit Rate ── Chinese Speech Recognition Vocoder

极低码率语音编码&汉语识别 声 码 器

The speech coding algorithm the hardware architecture and work flow of the vocoder system software implementation and code optimization are introduced .

介绍了语音编解码算法原理、 声 码 器系统的硬件结构、工作流程以及软件实现与代码优化。

This paper discusses the LPC technology mainly analyzes the coding and decoding process of the LPC-10.We utilize the Matlab software simulating technology to realize a simple LPC-10 Vocoder model analyzed the advantage and drawback of LPC-10 according to the contrast of the rebuilding voice and original voice .

讨论LPC线性预测分析技术，主要分析了LPC10算法的编解码过程，并且通过Matlab仿真，实现了一个简化的 LPC10 声 码 器模型，通过对比重建语音和原始语音研究分析该算法的优缺点。

This thesis construct an internet-based platform for embedded applications from adopting microprocessor MCU + network interface chip + vocoder chip customizing network protocols cutting and replanting embedded operating system .

文本采用微处理器MCU+网路接口芯片+ 语音专用处理芯片，通过网络协议的定制和嵌入式操作系统的裁减和移植，构建一个基于Internet的嵌入式应用平台。

A new type of vocoder system basd upon formant analysis is presented in this paper .

本文提出了一种新型的基于共振峰分析的 声 码 器系统。

At the same time conducts a basic introduction for speech coding . Secondly this article detailedly discusses the analysis basis of MELP vocoder algorithm . Based on the speech digital model we have studied the LP ( linear prediction ) analysis .

同时对语音编码进行了基本的介绍。其次，对MELP 声 码 器算法的分析基础进行了详细的讨论，在语音数字模型的基础上，详细研究了线性预测分析。

The choice extraction and quantization methods of the parameters in very low bit rate speech coders are discussed to design the desired vocoder .

针对各参数的不同特性，文中深入讨论了甚低速率 声 码 器中参数的选择、提取和量化方法，为甚低速率语音编码算法的构造和实现打下了 坚实的基础。

Hybrid Quantization Line Spectrum Pair Vocoder For various emission bands the coefficient b has different values .

混合量化线谱对 声 码 器对于不同的谱线，系数b是不同的。

An ALU unit in TR600 vocoder which based on a reconfigurable architecture is introduced in this paper .

文章介绍了采用可重构体系结构的 TR600语音编解码器中的ALU设计。

A Vocoder Based on Wavelet Transform and ARMA Model

基于小波变换和ARMA模型的 声 码 器

The paper makes a study for speech quality evaluation of digital speech communication systems by means of a 2400 bit / s digital channel vocoder .

利用数字式 2400bit/s通道 声 码 器作手段，研究数字语言通信系统的语言质量评价问题。在几种不同的传递条件下，进行了语言清晰度试验。

2400 bit / s digital vocoder plays a very important role in narrow band speech communication .

速率为2400bit/s的数字 声 码 器，在窄带数字语言通信中，具有很重要的意义。

Implementation of a Low Bit Vocoder Based on the Improved MELP Algorithm

基于MELP改进算法的低速率声 码 器设计与实现

The guard also included a vocoder through which Malak spoke with an eerie metallic tone .

这个保护装置也包括一个 语音合成装置，通过它，马拉克发出一种奇异的金属口音。

The results of the experiments have shown important relation between the algorithm structures of the vocoder and recognition system .

实验结果表明， 语音 编码器和语音识别系统的结构有很重要的联系， 尽量采用 相近的结构有 助 于 获得 良好的识别结果。

Simulation shows the new algorithm is efficient and performs better than the STM method used in the segment vocoder before and the ML method .

仿真结果表明：新算法实用有效，相对于以前分段 声 码 器中应用的STM方法和最大似然方法， 语音分段性能得到提高。

In modern voice communication systems transmission efficiency and voice quality are the research hot spots . Low-rate and high quality speech vocoder is in demand .

在现代语音通信系统中，传输效率和合成语音质量是研究的热点问题，低速率、高质量的语音 编 解码器成为发展需要。

An Analysis of the Self-Adapting Multi-rate Vocoder in UTRAN

UTRAN系统中自适应多速率 声 码 器业务探讨

Mixed-Excited Segment Vocoder at Very Low Bit Rate

一种采用混合激励的超低速率分段 声 码 器

At last analyzing the performance of the vocoder .

最后对该 声 码 器进行性能分析。

A Research on the Digital Voice Encryption System Based on Vocoder Technology

基于 声 码 化技术的数字语音加密系统的研究

High performance speech vocoder using SIMD coprocessor

使用SIMD协处理器的高性能声 码 器

At last it mainly discusses the management of circuit vocoder and sound based on this architecture and calling control flow .

最后，着重讨论了在这种体系结构和控制流程下，系统对电路资源、 声 码 器 资源和音源的管理。

The most basic low-rate speech coding used is linear predictive coding ( LPC ) . LPC-10 and MELP vocoder are typical successful use of LPC .

最基本的低速率语音编码算法都采用线性预测编码（LPC）技术，LPC-10声码器和MELP 声 码 器都是成功应用LPC技术的典范。

The advanced Vocoder technology is used in interphone to implement the low-rate speech signal coding of which the digital modulation and demodulation is performed with the help of wireless digital transceiver chip .

该对讲机采用先进的 声 码 器技术实现了语音信号的低速率压缩编码、并依托无线数字收发芯片对编码数据进行数字调制、解调。

A 0.6 kb / s high quality vocoder was developed to encode phonetic information at very low bit rates .

为满足语音信息 存贮 和 交流对极低速率下语音压缩编码的 需求，提出了一种 0.6kb/s 声 码 器 算法。