speech signal extraction method of pitch based on cep and lpc spectrum

1、

lpc technique is used to estimate the basic parameters of digital speech signals, which aims at obtaining a set of prediction coefficients and prediction error.

线性预测技术主要用于估计基本的语音信号的参数，目标是求得一组预测器系数和预测误差（LPCPE，LPC Prediction Error）。

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2、

first, after deeply investigating help model, a harmonic related voicing detection algorithm based on mse criterion is developed, with the knowledge that voicing algorithm can be showed by degree of harmonic relation.

首先，本文通过对HELP算法的深入分析，根据语音信号谐波相关程度能反映浊音度强弱的性质，开发了一种基于最小均方误差准则的谐波相关浊音度参数提取方法。

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3、

for the permutation problems between adjacent frequency bins, an improved mask clustering reordering algorithm combined with correlation maximum was proposed.

其中，针对相邻频点间存在的语音信号乱序问题，结合相关最大方法改进了频域mask聚类调序算法。

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4、

research on fast algorithm for speech signal mp sparse decomposition and its application in speech recognition

语音信号MP稀疏分解快速算法及在语音识别中的初步应用

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5、

this is also a significant research direction in robust speech signal processing, and it has very active signification to speech recognition and speech enhancement.

这也是稳健（Robust）语音信号处理中的一个重要研究方向，对语音识别、语音增强等都有着非常积极的促进意义。

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6、

study on speech signal denoising algorithm based on emd

一种基于EMD技术的语音信号去噪算法

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7、

an improvement on speech signal adm coding and decoding

语音信号ADM编码的改进

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8、

speech signal endpoint detection method based on hmm in noise

噪声环境中基于HMM模型的语音信号端点检测方法

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9、

the process of voice signal encryption and decryption is achieved through the examiner of matlab simulation and dsp platform.

经过MATLAB仿真模拟以及DSP平台的测试，本设计初步实现了语音信号的加密解密过程。

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10、

matlab simulative results indicate that their data compression ratio is high and the reconstructed speech signals have good quality.

Matlab仿真结果表明三种方案的数据压缩率高，重建语音信号具有良好的清晰度和自然度。

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11、

dsp data on the pc, or directly sampled voice signal transmission over wireless networks, data communication.

DSP对PC机数据或者直接采样语音信号，通过无线网络传输，实现数据通信。

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12、

the revised auto-regressive model of speech signal

语音信号的修正AR模型

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13、

and the emergence of matlab provides a more convenient way for canceling noise processing voice signals.

而Matlab的出现又为其提供了更为方便快捷的方法来对语音信号进行消噪处理。

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14、

fir filtering of speech signal based on matlab and dsp

基于Matlab与DSP的语音信号FIR滤波

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15、

visual design of audio signal acquisition and analysis system based on the matlab

基于MATLAB的语音信号采集和分析系统的可视化设计

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16、

speech signal endpoint detection and separation based on improved fuzzy art

基于改进的模糊ART的语音信号端点检测与切分

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17、

results showed that adding tonal information to the cis speech processor would offer an improved intelligibility of spoken chinese.

结果表明，将汉语的音调变化信息加入到CIS语音信号处理方案中，可明显地提高汉语的识别能力。

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18、

an audio information hide algorithm using pseudo random code

一种采用伪随机码技术的语音信息隐藏算法

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19、

user identification and cipher synchronization in speech information hiding

语音信息隐藏的身份认证和密码同步

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20、

construction of the competitive intelligence extraction model based on corporation speech information

基于企业语音信息的竞争情报提取模式构建

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