34 lines
1.4 KiB
Python
34 lines
1.4 KiB
Python
import argparse
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import torch
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import yaml
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from tqdm import tqdm
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from data import create_dataset, create_dataloader
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from trainer.injectors.base_injectors import TorchMelSpectrogramInjector
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from utils.options import Loader
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument('-opt', type=str, help='Path to options YAML file used to train the diffusion model', default='D:\\dlas\\options\\train_dvae_audio_clips.yml')
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parser.add_argument('-key', type=str, help='Key where audio data is stored', default='clip')
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parser.add_argument('-num_batches', type=int, help='Number of batches to collect to compute the norm', default=10)
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args = parser.parse_args()
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with open(args.opt, mode='r') as f:
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opt = yaml.load(f, Loader=Loader)
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dopt = opt['datasets']['train']
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dopt['phase'] = 'train'
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dataset, collate = create_dataset(dopt, return_collate=True)
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dataloader = create_dataloader(dataset, dopt, collate_fn=collate, shuffle=True)
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inj = TorchMelSpectrogramInjector({'in': 'wav', 'out': 'mel'},{}).cuda()
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mels = []
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for batch in tqdm(dataloader):
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clip = batch[args.key].cuda()
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mel = inj({'wav': clip})['mel']
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mels.append(mel.mean((0,2)).cpu())
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if len(mels) > args.num_batches:
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break
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mel_norms = torch.stack(mels).mean(0)
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torch.save(mel_norms, 'mel_norms.pth') |