MusicAnalyzer/RajatsMinecraftLibrary/amplitude.py

import matplotlib.pyplot as plt
import librosa


class AsfPosConverter:
    @staticmethod
    def getPosition(amplitude_dict, curr_amp):
        closest_key = None
        closest_diff = float("inf")

        for key, _ in amplitude_dict.items():
            diff = abs(float(key) - curr_amp)
            if diff < closest_diff:
                closest_key = key
                closest_diff = diff

        return closest_key, amplitude_dict[closest_key]

    @staticmethod
    def getAmplitude(amplitude_dict, curr_pos):
        diff = float('inf')
        res = None
        for key, value in amplitude_dict.items():
            if abs(float(value) - curr_pos) < diff:
                res = float(key)
                diff = abs(float(value) - curr_pos)
        return res

    # @staticmethod
    # def analyze(audio_file):
    #     amplitude_list, _ = librosa.load(audio_file)
    #     plt.plot(amplitude_list)
    #     plt.show()

    #     # IDENTIFY THE BELOW VALUES BY HOVERING THE CURSOR OVER MATPLOTLIB PLOT
    #     # amplitude_list = [0.155, 0.152, 0.149, 0.145, 0.143, 0.139, 0.134, 0.130, 0.121, 0.115, 0.108, 0.094, 0.089, 0.075, 0.054, 0.036, 0.016, 0]

    #     # ----- AMPLITUDE LIST AVERAGING ---------
    #     # amplitude_list_copy = [1]
    #     # for i in range(1, len(amplitude_list)-1):
    #     #     amplitude_list_copy.append(round((amplitude_list[i-1] + amplitude_list[i] + amplitude_list[i+1])/3, 5))
    #     # # print("Max Amplitude:", max_amplitude)
    #     # amplitude_list_copy.append(0)
    #     # amplitude_list = amplitude_list_copy
    #     # ----- AMPLITUDE LIST SCALING ---------
    #     # amplitude_list_copy = []
    #     # for amp in amplitude_list:
    #     #     amplitude_list_copy.append(round(amp / amplitude_list[0], 4))
    #     # print(amplitude_list_copy)
    #     # ----- AMPLITUDE LIST PLOTTING ---------
    #     # plt.plot(amplitude_list_copy)
    #     # plt.show()
    #     # ---------------------------------------

    #     amplitude_list = [
    #         1,
    #         0.99,
    #         0.98,
    #         0.97,
    #         0.97,
    #         0.96,
    #         0.95,
    #         0.95,
    #         0.94,
    #         0.93,
    #         0.93,
    #         0.92,
    #         0.91,
    #         0.91,
    #         0.9,
    #         0.89,
    #         0.88,
    #         0.87,
    #         0.86,
    #         0.845,
    #         0.83,
    #         0.815,
    #         0.8,
    #         0.79,
    #         0.775,
    #         0.76,
    #         0.74,
    #         0.72,
    #         0.7,
    #         0.68,
    #         0.66,
    #         0.64,
    #         0.62,
    #         0.6,
    #         0.57,
    #         0.54,
    #         0.515,
    #         0.49,
    #         0.47,
    #         0.43,
    #         0.39,
    #         0.35,
    #         0.31,
    #         0.27,
    #         0.23,
    #         0.19,
    #         0.15,
    #         0.11,
    #         0,
    #     ]
    #     print(amplitude_list)


if __name__ == "__main__":
    print(
        "This is a library for Audio Manipulation via fourier transform made specificaly for minecraft audio production using note blocks"
    )
    print("Author -: Rajat Bansal, IIT Mandi, B20123")
    # AsfToPos.analyze('Sounds/Amplitude2.m4a')