Frame.py 文件源码

def fft(self):
        self.spectre = fft.rfft(self.wave)
        self.frequencies = fft.rfftfreq(len(self.wave), 1. / self.framerate)
        # handle_line, = plt.plot(self.frequences, abs(self.spectre), label=self.start_time)
        # plt.legend(handles=[handle_line])
        # plt.show()