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#!/usr/bin/python3
# -*- coding: utf-8 -*-
from pathlib import Path
import datasets
import librosa
_DATA_URL_MAP = {
"en-PH": "data/noise/en-PH.zip",
}
_CITATION = """\
@dataset{nx_noise,
author = {Xing Tian},
title = {nx noise},
month = jan,
year = 2025,
publisher = {Xing Tian},
version = {1.0},
}
"""
_DESCRIPTION = """noise from user side in calling."""
class NXNoise(datasets.GeneratorBasedBuilder):
VERSION = datasets.Version("1.0.0")
BUILDER_CONFIGS = [
datasets.BuilderConfig(name="en-PH", version=VERSION, description="noise from en-PH"),
]
def _info(self):
features = datasets.Features(
{
"audio": datasets.Audio(),
"duration": datasets.Value("float16"),
}
)
return datasets.DatasetInfo(
description=_DESCRIPTION,
features=features,
supervised_keys=None,
homepage="",
license="",
citation=_CITATION,
)
def _split_generators(self, dl_manager):
"""Returns SplitGenerators."""
data_url = _DATA_URL_MAP.get(self.config.name)
if data_url is None:
raise AssertionError(f"subset {self.config.name} is not available.")
archive_path = dl_manager.download_and_extract(data_url)
return [
datasets.SplitGenerator(
name=datasets.Split.TRAIN,
gen_kwargs={"archive_path": archive_path, "dl_manager": dl_manager},
),
]
def _generate_examples(self, archive_path, dl_manager):
"""Yields examples."""
archive_path = Path(archive_path)
sample_idx = 0
for filename in archive_path.glob("**/*.wav"):
y, sr = librosa.load(filename, sr=None)
yield sample_idx, {
"audio": filename.as_posix(),
"duration": round(librosa.get_duration(y=y, sr=sr), 4),
}
sample_idx += 1
if __name__ == '__main__':
pass
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