如何准确的建立声道模型和激励模型成为中低速语音编码的关键。
The accurate description of track model and excitation model is the key of the Medium-low rate speech coding.
文中结合该芯片在低速语音编码设备中的应用，详细介绍了其工作模式及配置方法。
According to the application in the low speed voice encoding device, its operation modes and configuration are introduced in this paper.
另一方面，在中低速语音编码方法中，各种激励各有所长，但都不能很好的描述所有类型的语音激励。
And medium-low rate speech coding methods have advantages and flaws in describing excitation, and can't describe all kinds of speech excitation perfectly.
低速语音编码主要采用参数编码方式，多带混合激励线性预测编码(MELP)是参数编码的主流形式之一。
Parameter coding is the main method of low-rate speech coding and multi-band mixed excitation linear prediction (MELP) coding is one of important parameter coding.
并利用所构建的语音质量客观评价平台，对语音增强低速语音编码算法的抗背景噪声性能进行了客观评估与分析。
In the meantime, we evaluate and analyze objectively the robustness of the low bit rate speech coding algorithms with our own objective evaluating system of the speech quality.
分段声码器是一种高效的低速语音编码方法，针对分段声码器实现的关键技术语音分段方法进行了研究，提出了一种分段新算法。
Segment vocoder is an efficient very low bit rate speech coding algorithm. Speech segment method, one of the key technology of segment vocoder, is studied and a new algorithm is presented.
波形内插语音编码模型作为当今最具潜力的低速率语音编码方案之一，因其良好的性能，越来越受到人们的重视。
As one of the current most potential low bit rate speech coding schemes, waveform interpolation model with its high performance has been paid more and more attention.
码激励线性预测（CELP）编码在中低速率上与传统的LPC声码器相比可以提供更加自然的语音质量。
Code-Excited Linear Predictive (CELP) coding can provide natural speech quality at medium and low bit rates in contrast with conventional LPC vocoder.
在混合激励线性预测低速率语音编码研究中，提出了一种新的归一化自相关函数实时基音检测算法。
In the research of mixed excitation linear prediction speech coding, a new real-time normalized correlation function pitch detection algorithm is proposed.
全面论述了极低速率语音编码算法中运用的方法理论及最新的研究成果，并对这些算法进行了比较和分析，得出结论。
Algorithms and new research results in very low bit rate speech coding is presented thoroughly in this paper, and conclusions are given through comparison and analysis.
本文提出了一种适用于低速率语音编码系统的基音周期量化算法。
This paper proposed a pitch quantization method for low bit-rate speech coding systems.
低时延码激励线性预测(LD - CELP)语音编码能够在较低速率把高质量与低时延结合起来。
The Low-Delay Code-Exited Linear Predictive (LD-CELP) Speech Coder can combine high quality with low delay at quite low bit rates.
在多带激励低速率语音编码研究中，本文依据动态规划技术原理，提出了一种有效而实用的前后各看一帧的双向基音跟踪平滑算法。
In the study of MBE speech coding, a new efficient practical look-back and look-ahead pitch tracking smoothing algorithm is presented based on the dynamic programming approach.
本次系统实现了基于AMBE2000的低速率语音通信，该芯片采用改进的多带激励(MBE)算法，能实现可变速率低比特率、高语音音质的语音压缩编码。
This system realized a voice communication system based on the AMBE2000, this chip USES the MBE algorithm to obtain low changeable communication rate, and high speech quality.
本建议提出评估低速率数字语音(或更普遍地说数字源)编码器对于非话音信号的性能的方法。
In this Recommendation, an evaluation methodology is presented for the characterization of low-rate digital speech (or more generally source) coder performance with non-voice signals.
经过两种低速率的宽带语音编码输出的广西大学硕士研究生学位论文合成语音，通过听力测试MOS可达到3.5左右，表明合成语音的质量达到预定的要求。
The synthesize speech which is put out come by low bits rate wideband coding can reach MOS 3.5 by audition test. That indicate the quality of synthesize speech can achieve scheduled request.
经过两种低速率的宽带语音编码输出的广西大学硕士研究生学位论文合成语音，通过听力测试MOS可达到3.5左右，表明合成语音的质量达到预定的要求。
The synthesize speech which is put out come by low bits rate wideband coding can reach MOS 3.5 by audition test. That indicate the quality of synthesize speech can achieve scheduled request.
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