freqanalysis.py 文件源码

def __init__(self, data, Fs, name='', start=0):
        """Create a SongFile for storing signal data

        Inputs:
            data: a numpy array with time series data.  For use with PyAudio,
                ensure the format of data is the same as the player
            Fs: sampling frequency, ideally a float
        Keyword Arguments:
            name: a string identifying where this SongFile came from
            start: a value in seconds indicating that the SongFile's data does
                not come from the start of a longer signal
        """

        # Values passed into the init
        self.data = data
        self.Fs = Fs

        # Post-processed values (does not include spectrogram)
        self.time = None
        self.freq = None
        self.classification = None
        self.entropy = None
        self.power = None

        self.name = name
        self.start = start

        self.length = len(self.data) / self.Fs