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dsp
- 在数字信号处理中，滤波占有极其重要的地位。数字滤波是语音处理、图像处理、模式识别、频谱分析等应用中的基本处理算法。用DSP芯片实现数字滤波除了具有稳定性好、精确度高、不受环境影响等优点外，还具有灵活性好等特点。-In digital signal processing, filtering an extremely important position. Digital filter is the voice processing, image processing, pattern recog
voicebox
- 利用矩形窗计算短时语音信号的短时能量 及其频谱特性-Calculated using a rectangular window short-time speech signal power and spectral characteristics of short-term
daopufenxi
- 对语音信号进行倒谱分析，观看其频谱的幅度信息-Cepstrum of the speech signal analysis, see the spectrum of amplitude information
MFCC-and-SVM
- 建立了普通话语音性别数据库,提出联合梅尔频率频谱系数(Mel2f requency Cep st rum Coefficient s , MFCC) 的特征提取方法和支持向量机(Support Vector Machine , SVM) 的分类方法进行说话人性别识别,并与其它分类方法进行比较。-A Chinese speech ( mandarin ) database was established for speaker s gender recognition. A combina
windowfilter
- 采集一段语音信号，分别用矩形窗、汉纳窗、汉明窗、布莱克曼窗对采集的原始语音信号进行窗宽为N 的加窗FFT变换，得到利用不同窗函数对语音信号进行加窗FFT变换后的信号频谱图。观察不同窗函数的加窗效果，分析窗函数的适用情况。-Collecting a voice signal, respectively, with a rectangular window, Hanna window, Hamming window, Blackman window on the original speech s
matlab1
- 实现语音的采集，变换，滤波器的设计以及滤波后的语音信号的显示和频谱变换-failed to translate
LVBOQI-SHEJI1
- 录制一段自己的语音信号，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；通过matlab界面进行编程设计，界面方便人们操作- Their record a voice signal, and recording the signal is sampled draw sample after the time-domain waveform and frequency spectrum of the speech signal designed by matlab progr
Voice-filter
- 实现语音信号通过低通滤波器后，得到频谱，并且输出滤波前后的图形。-Voice signal through a low pass filter to obtain a frequency spectrum, and outputs the graphic before and after filtering.
ffttest
- 采用MATLAB编写fft算法，读取wav文件，显示语音信号波形频谱，并且与matlab自带的FFT算法比较，波形相同证明编写的算法正确。包括GUI设计的人机交互界面-FFT algorithm using MATLAB to read wav file, display the waveform of the speech signal spectrum, and the matlab algorithm with the FFT comparison, the same waveform t