def preprocessing(file,originalSamplingRate=48000,originalChannels=2, sampleRate=48000, channels=2, alpha = 0.97,frameLength=20,windowType ="hanning"): prep = Preprocessing() prep.readSoundFile(file,sr=originalSamplingRate,n_channels=originalChannels) prep.channelConversion(channels) prep.resampling(sampleRate) prep.pre_emphasis(alpha) prep.framing(frameLength) prep.addWindow(windowType) prep.vad() return prep.frames