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基于MATLAB语音线性预测分析报告及程序实现和语谱图实现。-linear prediction analysis and procedures to achieve and realize Spectrogram.
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语音的语谱图绘制,MATLAB实现,可调参数-Speech Spectrogram rendering, MATLAB implementation of adjustable parameters
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波形和频谱双显示
记录讲话直接进入MATLAB
手动分割讲话波形-创建标签文件
波形编辑-切割,复制或粘贴
共振峰分析-显示共振轨道的F1 , F2和F3
基音分析
过滤工具-语音信号滤波器截止频率
比较工具-比较两个波形的频谱距离使用几种措施
增加噪声-Dual time-waveform and spectrogram displays
Records speech directly into MATLAB NEW
Displays time-a
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Spectrogram function in matlab [For speech]
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The main m-file to be executed is myLPC.m file. The file that contains all calculations is lpc_01.m file, that is a function which returns reconstructed speech signal with LPC-16 coding.
Observing Spectrogram of both signals is very instructive and
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matlab中语谱图实现代码,语谱图表示语音信号随时间而变化的谱特性-matlab implementation code in the spectrogram, spectrogram that change over time speech signal spectral characteristics of
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matlab对wav文件进行频谱分析,并得出频谱图-matlab wav file, spectral analysis, and draw spectrogram
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用MATLAB生成语谱图成序,语音信号随时间变化的频谱特性可以用语谱图表示。-Using MATLAB to generate a sequence spectrogram, speech signal time-varying spectra spectral characteristics can be expressed terminology.
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基于matlab的DTMF数字拨号音合成,通过的简单的时域连接,用于进一步分析合成效果。DTMF2是分析部分,用于显示时域波形,频谱图和语谱图。-Based on the synthesis matlab DTMF digit dialing tone, and connected by a simple time domain, for further analysis synthesis results. DTMF2 the analysis section, time-domain wav
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语音信号的语谱图生成函数,function [ ] = spetro(Winsiz, Shift, Base, Mode, Gray),5个参数分别为帧长、帧移、取值门限(一般设为0)、彩色模式、灰度模式-This is a matlab function for creating speech spectrogram.
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(1)录制一段语音信号,完成对信号的采样,画出信号的时域波形和频谱图,确定信号的频谱范围;
(2)给信号叠加噪声(噪声类型分为如下几种:a白噪声;b单频噪色(正弦干扰);c多频噪声(多正弦干扰);d其它干扰。),画出受噪声干扰的信号时域波形和频谱图;
(3)采用窗函数法设计FIR低通滤波器,画出滤波器的频响特性图;
(4)用所设计的滤波器对受噪声影响的信号进行滤波,画出滤波后语音信号的时域波形图和频谱图;
(5)对滤波前后的信号进行对比,分析信号的变化;回放语音信号,并与原始语音信号对比
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根据短时傅里叶变换原理,计算并显示该语音段的短时幅度谱和功率谱;根据语谱图显示原理,编程实现该语音段语谱图的计算和显示,并尽量多地分析出语谱图包含的语音特征信息,用MATLAB提供的倒谱计算函数,显示该语音段的复倒谱和倒谱(According to the principle of short-term Fourier transform, the short range spectrum and power spectrum of the speech segment are calculat
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从大文件下读取子文件夹里的声音,并转成语谱图,并保存在本地电脑上面(sound transfer spectrogram)
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用于对语音信号处理的matlab程序,可用于语谱图分析,共振峰分析等。(The matlab program for speech signal processing can be used for spectrogram analysis, formant analysis and so on.)
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