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import os |
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import datasets |
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from datasets.tasks import AudioClassification |
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_NAMES = ["intro", "chorus", "verse", "pre-chorus", "post-chorus", "bridge"] |
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_DBNAME = os.path.basename(__file__).split('.')[0] |
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_HOMEPAGE = "https://huggingface.co/datasets/ccmusic-database/" + _DBNAME |
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_CITATION = """\ |
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@dataset{zhaorui_liu_2021_5676893, |
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author = {Zhaorui Liu, Monan Zhou, Shenyang Xu and Zijin Li}, |
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title = {{Music Data Sharing Platform for Computational Musicology Research (CCMUSIC DATASET)}}, |
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month = nov, |
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year = 2021, |
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publisher = {Zenodo}, |
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version = {1.1}, |
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doi = {10.5281/zenodo.5676893}, |
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url = {https://doi.org/10.5281/zenodo.5676893} |
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} |
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""" |
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_DESCRIPTION = """\ |
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This database contains 300 pop songs (.mp3 format, downloaded from NetEase Cloud Music), |
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as well as a structure annotation file (.txt format) for each song. |
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The song structure is labeled as follows: |
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intro, chorus, verse, pre-chorus, post-chorus, bridge, ending. |
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""" |
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_URL = _HOMEPAGE + "/resolve/main/data/labels.zip" |
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class piano_sound_quality(datasets.GeneratorBasedBuilder): |
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def _info(self): |
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return datasets.DatasetInfo( |
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description=_DESCRIPTION, |
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features=datasets.Features( |
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{ |
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"time": datasets.Value('time32'), |
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"audio": datasets.Value('binary'), |
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"label": datasets.features.ClassLabel(names=_NAMES), |
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} |
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), |
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supervised_keys=("time", "label"), |
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homepage=_HOMEPAGE, |
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license="mit", |
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citation=_CITATION, |
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task_templates=[ |
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AudioClassification( |
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task="audio-classification", |
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audio_column="time", |
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label_column="label", |
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) |
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], |
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) |
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def _split_generators(self, dl_manager): |
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data_files = dl_manager.download_and_extract(_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={ |
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"files": dl_manager.iter_files([data_files]), |
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}, |
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) |
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] |
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def _generate_examples(self, files): |
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for i, path in enumerate(files): |
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file_name = os.path.basename(path) |
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if file_name.endswith(".wav"): |
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yield i, { |
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"time": 0, |
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"audio": path, |
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"label": 0, |
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} |
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