| import os | |
| import torchaudio | |
| from pathlib import Path | |
| from tqdm import tqdm | |
| def resample_wav_to_16k(input_dir, output_dir): | |
| input_dir = Path(input_dir) | |
| output_dir = Path(output_dir) | |
| wav_paths = list(input_dir.rglob("*.wav")) | |
| for wav_path in tqdm(wav_paths): | |
| # 读取音频 | |
| waveform, sr = torchaudio.load(wav_path) | |
| # 重采样为 16kHz（如果不是） | |
| if sr != 16000: | |
| resampler = torchaudio.transforms.Resample(orig_freq=sr, new_freq=16000) | |
| waveform = resampler(waveform) | |
| # 构造输出路径（保持相对路径结构） | |
| relative_path = wav_path.relative_to(input_dir) | |
| target_path = output_dir / relative_path | |
| # 创建目标目录 | |
| target_path.parent.mkdir(parents=True, exist_ok=True) | |
| # 保存为16kHz wav | |
| torchaudio.save(target_path.as_posix(), waveform, 16000) | |
| # print(f"Saved: {target_path}") | |
| # 使用示例 | |
| resample_wav_to_16k("/apdcephfs_nj7/share_303172353/ggyzhang/projects/v2s/home/xj_data/jishengpeng/WavReward/jsp_code/realdialogue_audio", | |
| "/apdcephfs_nj7/share_303172353/ggyzhang/projects/v2s/home/xj_data/jishengpeng/WavReward/jsp_code/realdialogue_audio16k") | |