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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')
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