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meierdaopufadematlabshixian
- 对录音信号集 中的某一语音,利用BATLAB设计一美尔例谱算法,并实现。 取信号集 中的一个语音信号:“xxxxxx”,将它作为输入的语音信号来为设计一个美尔倒谱算法,在该算法中,主要设计了以下环节: 1.读入一个语音信号;2.对这个信号归一化;3.对归一化的信号进行加窗处理(这里的矩形窗长度必须为257,重帧长64);4.进行预加重处理,即通过一个高通滤波器: ;5进行512点的FFT;6.分别取模平方得到功率谱;7.在设计的mel滤波器组中,我采用了25个带通滤波器;8.将得到的功率
yujiazhong
- 对语音信号进行分析时需要先进行预加重处理,起到提升高频的作用。-The speech signal analysis needs to first conduct a pre-emphasis process, to enhance the role of high frequency.
yuyinjiazhongFFT
- 语音信号处理来的预加重随后进行FFT变换,同时呈现结果图。-Speech signal processing preemphasis subsequent FFT, simultaneous presentation of the results in Fig.
mfcc
- 归一化倒谱提升窗口 预加重滤波器 语音信号分帧 计算每帧的MFCC参数 -Calculate the audio files of the MFCC factor
yuyinchuli
- 通过matalb实现语音信号的处理,完成预加重、加窗函数、端点检测及生成处理后语音样本-Achieved by processing the speech signal matalb, complete the pre-emphasis, windowing function, voice activity detection and generation after sample processing
a3
- 语音信号的分析及前期的预处理,包括语音信号的一些特征;预处理包括前期的预滤波、小波降噪、预加重、加窗分帧、语音端点检测。-Speech signal analysis and pre processing, including some of the features of the speech signal preprocessing including pre filtering, wavelet noise reduction, pre emphasis, plus window fram
YCL
- 对信号进行梅尔倒谱系数特征采集之前的预处理,包括分帧加窗、基于短时能量的双门限判别、除噪、预加重等(The preprocessing of Mel cepstrum coefficients before the signal is carried out, including frame windowing, double threshold discrimination based on short-time energy, denoising and pre emphasis)