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from glob import glob |
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import json |
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import os |
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from pathlib import Path |
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import datasets |
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_DATA_URL_MAP = { |
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"kitchen_16k": "https://zenodo.org/records/1227121/files/DKITCHEN_16k.zip?download=1", |
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"kitchen_48k": "https://zenodo.org/records/1227121/files/DKITCHEN_48k.zip?download=1", |
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"living_16k": "https://zenodo.org/records/1227121/files/DLIVING_16k.zip?download=1", |
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"living_48k": "https://zenodo.org/records/1227121/files/DLIVING_48k.zip?download=1", |
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"washing_16k": "https://zenodo.org/records/1227121/files/DWASHING_16k.zip?download=1", |
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"washing_48k": "https://zenodo.org/records/1227121/files/DWASHING_48k.zip?download=1", |
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"field_16k": "https://zenodo.org/records/1227121/files/NFIELD_16k.zip?download=1", |
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"field_48k": "https://zenodo.org/records/1227121/files/NFIELD_48k.zip?download=1", |
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"park_16k": "https://zenodo.org/records/1227121/files/NPARK_16k.zip?download=1", |
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"park_48k": "https://zenodo.org/records/1227121/files/NPARK_48k.zip?download=1", |
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"river_16k": "https://zenodo.org/records/1227121/files/NRIVER_16k.zip?download=1", |
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"river_48k": "https://zenodo.org/records/1227121/files/NRIVER_48k.zip?download=1", |
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"hallway_16k": "https://zenodo.org/records/1227121/files/OHALLWAY_16k.zip?download=1", |
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"hallway_48k": "https://zenodo.org/records/1227121/files/OHALLWAY_48k.zip?download=1", |
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"meeting_16k": "https://zenodo.org/records/1227121/files/OMEETING_16k.zip?download=1", |
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"meeting_48k": "https://zenodo.org/records/1227121/files/OMEETING_48k.zip?download=1", |
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"office_16k": "https://zenodo.org/records/1227121/files/OOFFICE_16k.zip?download=1", |
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"office_48k": "https://zenodo.org/records/1227121/files/OOFFICE_48k.zip?download=1", |
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"cafeter_16k": "https://zenodo.org/records/1227121/files/PCAFETER_16k.zip?download=1", |
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"cafeter_48k": "https://zenodo.org/records/1227121/files/PCAFETER_48k.zip?download=1", |
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"resto_16k": "https://zenodo.org/records/1227121/files/PRESTO_16k.zip?download=1", |
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"resto_48k": "https://zenodo.org/records/1227121/files/PRESTO_48k.zip?download=1", |
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"station_16k": "https://zenodo.org/records/1227121/files/PSTATION_16k.zip?download=1", |
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"station_48k": "https://zenodo.org/records/1227121/files/PSTATION_48k.zip?download=1", |
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"cafe_48k": "https://zenodo.org/records/1227121/files/SCAFE_48k.zip?download=1", |
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"square_16k": "https://zenodo.org/records/1227121/files/SPSQUARE_16k.zip?download=1", |
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"square_48k": "https://zenodo.org/records/1227121/files/SPSQUARE_48k.zip?download=1", |
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"traffic_16k": "https://zenodo.org/records/1227121/files/STRAFFIC_16k.zip?download=1", |
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"traffic_48k": "https://zenodo.org/records/1227121/files/STRAFFIC_48k.zip?download=1", |
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"bus_16k": "https://zenodo.org/records/1227121/files/TBUS_16k.zip?download=1", |
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"bus_48k": "https://zenodo.org/records/1227121/files/TBUS_48k.zip?download=1", |
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"car_16k": "https://zenodo.org/records/1227121/files/TCAR_16k.zip?download=1", |
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"car_48k": "https://zenodo.org/records/1227121/files/TCAR_48k.zip?download=1", |
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"metro_16k": "https://zenodo.org/records/1227121/files/TMETRO_16k.zip?download=1", |
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"metro_48k": "https://zenodo.org/records/1227121/files/TMETRO_48k.zip?download=1", |
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} |
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_CITATION = """\ |
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@dataset{DEMAND, |
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author = {Xing Tian}, |
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title = {DEMAND}, |
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month = jan, |
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year = 2025, |
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publisher = {Xing Tian}, |
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version = {1.0}, |
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} |
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""" |
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_DESCRIPTION = """DEMAND: Diverse Environments Multichannel Acoustic Noise Database""" |
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_VERSION = datasets.Version("1.0.0") |
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_BUILDER_CONFIGS = [ |
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datasets.BuilderConfig(name=key, version=_VERSION, description=key) |
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for key in _DATA_URL_MAP.keys() |
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] |
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class Demand(datasets.GeneratorBasedBuilder): |
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VERSION = _VERSION |
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BUILDER_CONFIGS = _BUILDER_CONFIGS |
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def _info(self): |
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features = datasets.Features( |
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{ |
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"category": datasets.Value("string"), |
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"audio": datasets.Audio(), |
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} |
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) |
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return datasets.DatasetInfo( |
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description=_DESCRIPTION, |
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features=features, |
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supervised_keys=None, |
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homepage="", |
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license="", |
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citation=_CITATION, |
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) |
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def _split_generators(self, dl_manager): |
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"""Returns SplitGenerators.""" |
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data_url = _DATA_URL_MAP.get(self.config.name) |
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if data_url is None: |
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raise AssertionError(f"subset {self.config.name} is not available.") |
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archive_path = dl_manager.download_and_extract(data_url) |
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return [ |
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datasets.SplitGenerator( |
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name=datasets.Split.TRAIN, |
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gen_kwargs={"archive_path": archive_path, "dl_manager": dl_manager}, |
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), |
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] |
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def _generate_examples(self, archive_path, dl_manager): |
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"""Yields examples.""" |
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archive_path = Path(archive_path) |
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sample_idx = 0 |
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for filename in archive_path.glob("**/*.wav"): |
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print(filename) |
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yield sample_idx, { |
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"category": filename.parts[-2], |
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"audio": filename.as_posix(), |
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} |
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sample_idx += 1 |
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if __name__ == '__main__': |
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pass |
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