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| import os | |
| import argparse | |
| import librosa | |
| from multiprocessing import Pool, cpu_count | |
| import soundfile | |
| from tqdm import tqdm | |
| def process(item): | |
| spkdir, wav_name, args = item | |
| speaker = spkdir.replace("\\", "/").split("/")[-1] | |
| wav_path = os.path.join(args.in_dir, speaker, wav_name) | |
| if os.path.exists(wav_path) and ".wav" in wav_path: | |
| os.makedirs(os.path.join(args.out_dir, speaker), exist_ok=True) | |
| wav, sr = librosa.load(wav_path, sr=args.sr) | |
| soundfile.write(os.path.join(args.out_dir, speaker, wav_name), wav, sr) | |
| if __name__ == "__main__": | |
| parser = argparse.ArgumentParser() | |
| parser.add_argument("--sr", type=int, default=44100, help="sampling rate") | |
| parser.add_argument( | |
| "--in_dir", type=str, default="./raw", help="path to source dir" | |
| ) | |
| parser.add_argument( | |
| "--out_dir", type=str, default="./dataset", help="path to target dir" | |
| ) | |
| args = parser.parse_args() | |
| # processes = 8 | |
| processes = cpu_count() - 2 if cpu_count() > 4 else 1 | |
| pool = Pool(processes=processes) | |
| for speaker in os.listdir(args.in_dir): | |
| spk_dir = os.path.join(args.in_dir, speaker) | |
| if os.path.isdir(spk_dir): | |
| print(spk_dir) | |
| for _ in tqdm( | |
| pool.imap_unordered( | |
| process, | |
| [ | |
| (spk_dir, i, args) | |
| for i in os.listdir(spk_dir) | |
| if i.endswith("wav") | |
| ], | |
| ) | |
| ): | |
| pass | |