|
|
| import argparse |
| import json |
| from pathlib import Path |
|
|
| import soundfile as sf |
|
|
|
|
| MHB_ROOT = Path(__file__).resolve().parent.parent |
|
|
|
|
| def main(): |
| parser = argparse.ArgumentParser() |
| parser.add_argument("test_dir", type=Path) |
| args = parser.parse_args() |
|
|
| test_dir = args.test_dir.expanduser().resolve() |
| assert test_dir.is_dir(), f"Not found: {test_dir}" |
|
|
| count = 0 |
| with (MHB_ROOT / "meta_data.jsonl").open("r", encoding="utf-8") as f: |
| for line in f: |
| if not line.strip(): |
| continue |
|
|
| record = json.loads(line) |
| if record["task_name"] != "ShipsEar": |
| continue |
|
|
| name = record["meta_data"]["ori_file_path"] |
|
|
| |
| if name.startswith("28__"): |
| name = Path(name).stem + "_test.wav" |
|
|
| matches = list(test_dir.glob(f"*{name}")) |
| assert len(matches) == 1, f"Expected one source for {name}, found {len(matches)}" |
|
|
| length = record["input_ts"]["length"] |
| sr = record["input_ts"]["fs"] |
| index = record["meta_data"]["seg_index"] |
| assert length == sr * 30 |
|
|
| |
| with sf.SoundFile(matches[0]) as audio: |
| assert audio.samplerate == sr and audio.channels == 1, f"{matches[0], audio.samplerate, audio.channels}" |
| start = index * (sr * 15) |
| assert start + length <= audio.frames, f"Short recording: {matches[0]}" |
| audio.seek(start) |
| segment = audio.read(length, dtype="float32") |
|
|
| |
| dst = MHB_ROOT / record["input_ts"]["path"] |
| assert dst.name == f"{record['id']}.wav" |
| dst.parent.mkdir(parents=True, exist_ok=True) |
|
|
| sf.write(dst, segment, sr, subtype="FLOAT") |
| count += 1 |
|
|
| assert count == 84, f"Expected 84 segments, got {count}" |
| print(f"ShipsEar: created {count} WAV files") |
|
|
|
|
| if __name__ == "__main__": |
| main() |
|
|
