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Audio signal processing by using matlab
使用matlab处理音频信号
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给定一个音频范围内的模拟强噪声随机信号（强噪声+周期信号），将信号从强噪声中提取出来，并计算原信号及提取信号的均值、平均功率、方差、频谱及功率谱密度、互相关等 并附带图形-Given within the scope of an audio simulation of strong noise random signal (noise+ periodic signal), the signal from strong noise in the extracted and calculated s
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录制一段个人的语音信号，并对录制的信号进行采样；画出采样后语音信号的时域波形和频谱图；给定滤波器的性能指标，采用双线性变换法和窗函数法设计滤波器，并画出滤波器的频率响应；然后用自己设计的滤波器对采集的信号进行滤波，画出滤波后信号的时域波形和频谱，并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；最后，设计一个信号处理系统界面。-Record a personal voice signal, and recording the signal is sampled draw sampled
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基于声卡和MATLAB的语音信号采集和处理-MATLAB-based sound card and audio signal acquisition and processing
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语音信号进行分析、处理和设计。用MATLAB做变声器的原理是通过改变输入声音频率，进而改变声音的音色、音调，使输出声音在感官上与原声音不同。变声器是借助对声音音色和音调的双重复合改变，实现输出声音的改变。通过自己发声，共振峰频率的改变是基于重采样实现的-Speech signal analysis, processing and design. MATLAB do voice-changer works by changing the input frequency of the sound,
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语音信号进行分析、处理和设计。用MATLAB做变声器的原理是通过改变输入声音频率，进而改变声音的音色、音调，使输出声音在感官上与原声音不同。变声器是借助对声音音色和音调的双重复合改变，实现输出声音的改变。通过自己发声，共振峰频率的改变是基于重采样实现的-Speech signal analysis, processing and design. MATLAB do voice-changer works by changing the input frequency of the sound,
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数字信号处理文档：在matlab下，对音频信号，图像信号以及视频信号的采集和处理。-Digital signal processing document: In matlab, the audio signal, the image signal and the video signal acquisition and processing.
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Audio processing is the intentional alteration of auditory signals. The major application area of the audio processing is in the field of music. One of the practical examples that demonstrate audio processing is audio mastering processor for audio co
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数字信号加密方法研究（音频），在matlab环境下对音频信号进行加密，并解密比较信号损失程度及适用范围。-Digital Signal Research (audio) encryption method, in the matlab environment on the audio signal is encrypted and decrypted compare the extent and scope of signal loss.
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AM RECEIVER based on super heterodyne principle virtually used in all modern radio and television receivers. The approach mainly involves the use of heterodyning or frequency mixing. The signal from the antenna is filtered sufficiently at least to re
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Matlab programming theory for audio signal processing
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图像的光流法计算的matlab程序,音频信号通过LM386放大，一些自适应信号处理的算法。- Image optical flow calculation matlab program, LM386 audio signal amplification, Some adaptive signal processing algorithms.
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音频信号通过LM386放大，相关分析过程的matlab方法，计算加权加速度。- LM386 audio signal amplification, Correlation analysis process matlab method, Weighted acceleration.
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相关分析过程的matlab方法，基于小波变换的数字水印算法matlab代码，音频信号通过LM386放大。- Correlation analysis process matlab method, Based on wavelet transform digital watermarking algorithm matlab code, LM386 audio signal amplification.
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Downsampling audio signal and spectrogram analysis in matlab
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