实例介绍
【实例简介】
MFCC的详细介绍PPT，来源与CMU大学。
Spectrogram Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) Speech signal represented as a sequence of spectral vectors o.1 -O1 time 2<1 7荀 5饭mx五 FFT FET FET Spectrum Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) Speech signal represented as a sequence of spectral vectors o.1 -O1 time FFTFFTFFT FFTFFT FFT FFT FFTFFT FFTFFT FFT FFT FFT Spectrum 5 Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) Speech signal represented as a sequence of spectral vectors o.1 -O1 time FFTFFTFFT FFTFFT FFT FFT FFTFFT FFTFFT FFT FFT FFT Spectrum p Hz 6 Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) Speech signal represented as a sequence of spectral vectors o.1 -O1 time FFTFFTFFT FFTFFT FFT FFT FFTFFT FFTFFT FFT FFT FFT Spectrum Rotate it by 90 degrees Amplitude Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) Speech signal represented as a sequence of spectral vectors o.1 -O1 time FFTFFTFFT FFTFFT FFT FFT FFTFFT FFTFFT FFT FFT FFT Spectrum HZ MAP spectral amplitude to a grey level(0 255)value O represents black and 255 represents white Higher the amplitude, darker the corresponding region Amplitude Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) Speech signal represented as a sequence of spectral vectors o.1 -O1 time FFTFFTFFT FFTFFT FFT FFT FFTFFT FFTFFT FFT FFT FFT Spectrum Hz Time Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) Speech signal represented as a sequence of spectral vectors o.1 time Time Vs Frequency FT FFT FFT FFTFFT FFTFFT FFT FFT FFT representation of a speech signal is referred to as spectrogram Hz Time Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) 【实例截图】
【核心代码】
MFCC的详细介绍PPT，来源与CMU大学。
Spectrogram Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) Speech signal represented as a sequence of spectral vectors o.1 -O1 time 2<1 7荀 5饭mx五 FFT FET FET Spectrum Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) Speech signal represented as a sequence of spectral vectors o.1 -O1 time FFTFFTFFT FFTFFT FFT FFT FFTFFT FFTFFT FFT FFT FFT Spectrum 5 Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) Speech signal represented as a sequence of spectral vectors o.1 -O1 time FFTFFTFFT FFTFFT FFT FFT FFTFFT FFTFFT FFT FFT FFT Spectrum p Hz 6 Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) Speech signal represented as a sequence of spectral vectors o.1 -O1 time FFTFFTFFT FFTFFT FFT FFT FFTFFT FFTFFT FFT FFT FFT Spectrum Rotate it by 90 degrees Amplitude Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) Speech signal represented as a sequence of spectral vectors o.1 -O1 time FFTFFTFFT FFTFFT FFT FFT FFTFFT FFTFFT FFT FFT FFT Spectrum HZ MAP spectral amplitude to a grey level(0 255)value O represents black and 255 represents white Higher the amplitude, darker the corresponding region Amplitude Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) Speech signal represented as a sequence of spectral vectors o.1 -O1 time FFTFFTFFT FFTFFT FFT FFT FFTFFT FFTFFT FFT FFT FFT Spectrum Hz Time Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) Speech signal represented as a sequence of spectral vectors o.1 time Time Vs Frequency FT FFT FFT FFTFFT FFTFFT FFT FFT FFT representation of a speech signal is referred to as spectrogram Hz Time Speech Technology -Kishore Prahallad (skishore@cs. cmu. edu) 【实例截图】
【核心代码】
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