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import numpy as np
import matplotlib.pyplot as plt
from scipy.io import wavfile
import torch
def minmax_norm_diff(tensor: torch.Tensor, vmax: float = 2.5, vmin: float = -12) -> torch.Tensor:
tensor = torch.clip(tensor, vmin, vmax)
tensor = 2 * (tensor - vmin) / (vmax - vmin) - 1
return tensor
def reverse_minmax_norm_diff(tensor: torch.Tensor, vmax: float = 2.5, vmin: float = -12) -> torch.Tensor:
tensor = torch.clip(tensor, -1.0, 1.0)
tensor = (tensor + 1) / 2
tensor = tensor * (vmax - vmin) + vmin
return tensor
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