这两个乘积项分别是语言模型和声学模型。
These two product items are the linguistic model and acoustic model.
心理声学模型是宽带音频压缩中的核心技术。
Psychoacoustic model is the kernel technology of wideband audio compression.
语音的声学模型和识别理论是构建语音识别系统的基础。
Acoustic model and speech recognition theory is the basis for building speech recognition systems.
建立了描述水下混响的声学模型，推导出体积混响的计算方法；
Acoustic model to describing the underwater reverberat i-on is set up and the computation method of volume reverberation is inferred.
基于心理声学模型的掩蔽特性，可以得出水印被要求的相应的声压级。
Based on the masking properties of the psychoacoustic model, we then derive the required sound pressure level of the watermark.
主要工作有：基于快速傅立叶变换与声学模型的音频数字水印算法研究。
Main ideas as follows: Research of audio digital watermark Algorithm based on Fast Fourier Transforms and psychoacoustic auditory model.
这些结果可为蝉类发声机制和有害昆虫声引诱的声学模型的研究提供依据。
The results of the present work may provide informations for further study of the mechanism of sound production in cicadas and deriving acoustic model for luring the injurious species.
提出了一种平行子状态隐马尔可夫模型用作噪声鲁棒语音识别的声学模型。
In this paper, a parallel sub-state hidden Markov model, which integrates the clean speech and noise information, and each state of the model has several parallel sub-states, is presented.
总结了人类听觉系统的特点，特别是人类听觉的感知特征以及心理声学模型。
And we summarize the character of the human auditory system, especially the psychoacoustic modal.
介绍了基于人耳心理声学模型的数字音频压缩技术的杜比数字音频AC - 3。
Dolby digital audio AC-3 is introduced as a digital audio compressing technology based on human ear psychoacoustics models.
由于目前常用的声学模型和语言模型的局限性，计算机只能识别一些词汇或一些句子。
But the limitation of acoustic and language model is that the computer can only recognize some words or sentences.
本文主要研究了以下三方面的内容：1。研究了汉语语音识别系统中声学模型的构造。
Recognition accuracy has been improved to some extent. The main research includes the following:1.
结论：正常儿童单元音三维声学模型便于直观地比较患儿与正常儿童单元音声学上的差异。
Conclusion: it is easy to find the acoustic differences of speech between normal children and children with cleft palate through the acoustic three-dimensional model.
仅仅依靠语音信号的声学模型来进行语音识别，存在着不能利用语言的非声学知识的固有缺陷。
Traditional speech recognition system has an intrinsic defect that, commonly only use the acoustic model of speech and unable to use non-acoustic knowledge of language to recognize speech.
目前的一些鲁棒性环境补偿方法具体可分为两大类：前端处理方法和后端（声学模型）处理方法。
We can categorize many state-of-the-art environment compensation approaches into two classes: the front-end and the back-end (acoustic model) processing approaches.
本文首先对心理声学模型、滤波器组、量化和比特分配、预测编码、时域噪声成型等技术进行研究。
In this dissertation, psychoacoustic models filter Banks quantization and bit allocation predicate coding and temporary noise shaping is analyzed.
笔者对MP3所用到的几个关键技术，如子带滤波、心理声学模型、动态噪声分配等做出简明分析。
This paper analyses the key technologies used in MP3, such as subband filter, psychoacoustical model and dynamic noise allocation.
笔者对MP3所用到的几个关键技术，如子带滤波、心理声学模型、动态噪声分配等做出简明分析。
This paper introduces the key technologies used in MP3, such as subband filter, psychoacoustical model and dynamic noise allocation.
水下声学模型现今通常用于预报海上试验计划和设计最优声呐系统的声学环境以及预测海上声呐性能。
Underwater acoustic models are now routinely used to forecast acoustic conditions for planning at-sea experiments, designing optimized sonar systems and predicting sonar performance at sea.
介绍了人耳生理系统和掩蔽效应的特性，并阐述了视音频压缩标准MPEG1音频部分的心理声学模型。
By analyzing human physiological audio system and its masking effect, this paper illustrates the psychoacoustic model in audio part of the ISO video coding standard MPEG1.
摘要提出了基于临界频带率、依赖于强度的扩展函数、非线性迭加和前向掩蔽效应的参数心理声学模型。
A parametric psychoacoustic model based on critical band rate, level - dependent spreading function, non - linear superposition and forward masking was proposed.
根据建模思路的不同，主流的语种识别方法可以分为两大类：基于声学模型的方法和基于语言模型的方法。
According to the ideas of modeling on the speech, there are two mainstream categories of language identification: based on acoustic model and based on language model.
文章主要综述了国内外对局部扇风机气动噪声的研究与控制方法，对孤立叶轮的声学模型及其噪声控制方法。
The paper summarizes mainly the research and control of pneumatic noise of local fan, the sonic model of isolated blade wheel and the control method of noise in home and foreign countries.
其中语音信号切割是经由语音辨认技术，依据声学模型的能量门限、图形比对的方法来切割出正确的发音区段。
Which voice signals cutting through voice recognition technology, based on the acoustic model energy threshold, graphics than a way to correct pronunciation sectors.
建立声学模型是说话人识别技术的重要环节，一种好的建模方法对说话人识别系统的识别率具有极其重大的影响。
Characteristic modeling is an important link in technology of speaker identification, a nice modeling method impact on the performance of speaker identification system.
文章分析了心理声学模型有效的掩蔽特性，主要介绍了心理声学模型的改进音调探测方法，并给出了其实验结果。
This paper analyzes the masking characteristics of the psycho-acoustic model, concentrates on the modified tonality detection algorithm, and presents experimental results.
介绍了一种基于微结构的声学模型，可用来对多孔材料的微组织结构进行优化，从而使多孔材料具备最佳的声学性能。
A microstructure based acoustic model is introduced, which can be used to optimize the microstructure of cellular materials and thus to obtain their optimal acoustic property.
其次，介绍了MP3音频压缩标准所使用的子带编码、心里声学模型、自适应窗口切换、哈夫曼编码、比特池等关键技术。
Secondly, introduces MP3 audio compress standard including subband filter bank, psychoacoustic model, adaptive window switch over, Huffman coding, bit reservior, etc.
完整的连续语音识别系统主要包括四个部分：特征提取，声学模型，语言模型和搜索算法，本文就是根据这四个部分展开的。
A whole continuous speech recognition system includes four parts: feature extraction, acoustic model, language models and search algorithms, and the thesis is carried out according to them.
完整的连续语音识别系统主要包括四个部分：特征提取，声学模型，语言模型和搜索算法，本文就是根据这四个部分展开的。
A whole continuous speech recognition system includes four parts: feature extraction, acoustic model, language models and search algorithms, and the thesis is carried out according to them.
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