Datasets:
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import os
import random
import datasets
from datasets.tasks import ImageClassification, AudioClassification
_NAMES = [
"PearlRiver",
"YoungChang",
"Steinway-T",
"Hsinghai",
"Kawai",
"Steinway",
"Kawai-G",
"Yamaha",
]
_DBNAME = os.path.basename(__file__).split(".")[0]
_HOMEPAGE = f"https://www.modelscope.cn/datasets/ccmusic/{_DBNAME}"
_DOMAIN = f"https://www.modelscope.cn/api/v1/datasets/ccmusic/{_DBNAME}/repo?Revision=master&FilePath=data"
_CITATION = """\
@dataset{zhaorui_liu_2021_5676893,
author = {Monan Zhou, Shenyang Xu, Zhaorui Liu, Zhaowen Wang, Feng Yu, Wei Li and Zijin Li},
title = {CCMusic: an Open and Diverse Database for Chinese and General Music Information Retrieval Research},
month = {mar},
year = {2024},
publisher = {HuggingFace},
version = {1.2},
url = {https://huggingface.co/ccmusic-database}
}
"""
_DESCRIPTION = """\
Piano-Sound-Quality is a dataset of piano sound. It consists of 8 kinds of pianos including PearlRiver, YoungChang, Steinway-T, Hsinghai, Kawai, Steinway, Kawai-G, Yamaha(recorded by Shaohua Ji with SONY PCM-D100). Data was annotated by students from the China Conservatory of Music (CCMUSIC) in Beijing and collected by Monan Zhou.
"""
_PITCHES = {
"009": "A2",
"010": "A2#/B2b",
"011": "B2",
"100": "C1",
"101": "C1#/D1b",
"102": "D1",
"103": "D1#/E1b",
"104": "E1",
"105": "F1",
"106": "F1#/G1b",
"107": "G1",
"108": "G1#/A1b",
"109": "A1",
"110": "A1#/B1b",
"111": "B1",
"200": "C",
"201": "C#/Db",
"202": "D",
"203": "D#/Eb",
"204": "E",
"205": "F",
"206": "F#/Gb",
"207": "G",
"208": "G#/Ab",
"209": "A",
"210": "A#/Bb",
"211": "B",
"300": "c",
"301": "c#/db",
"302": "d",
"303": "d#/eb",
"304": "e",
"305": "f",
"306": "f#/gb",
"307": "g",
"308": "g#/ab",
"309": "a",
"310": "a#/bb",
"311": "b",
"400": "c1",
"401": "c1#/d1b",
"402": "d1",
"403": "d1#/e1b",
"404": "e1",
"405": "f1",
"406": "f1#/g1b",
"407": "g1",
"408": "g1#/a1b",
"409": "a1",
"410": "a1#/b1b",
"411": "b1",
"500": "c2",
"501": "c2#/d2b",
"502": "d2",
"503": "d2#/e2b",
"504": "e2",
"505": "f2",
"506": "f2#/g2b",
"507": "g2",
"508": "g2#/a2b",
"509": "a2",
"510": "a2#/b2b",
"511": "b2",
"600": "c3",
"601": "c3#/d3b",
"602": "d3",
"603": "d3#/e3b",
"604": "e3",
"605": "f3",
"606": "f3#/g3b",
"607": "g3",
"608": "g3#/a3b",
"609": "a3",
"610": "a3#/b3b",
"611": "b3",
"700": "c4",
"701": "c4#/d4b",
"702": "d4",
"703": "d4#/e4b",
"704": "e4",
"705": "f4",
"706": "f4#/g4b",
"707": "g4",
"708": "g4#/a4b",
"709": "a4",
"710": "a4#/b4b",
"711": "b4",
"800": "c5",
}
_URLS = {
"audio": f"{_DOMAIN}/audio.zip",
"mel": f"{_DOMAIN}/mel.zip",
"eval": f"{_DOMAIN}/eval.zip",
}
class pianos_Config(datasets.BuilderConfig):
def __init__(self, features, supervised_keys, task_templates, **kwargs):
super(pianos_Config, self).__init__(version=datasets.Version("0.1.2"), **kwargs)
self.features = features
self.supervised_keys = supervised_keys
self.task_templates = task_templates
class pianos(datasets.GeneratorBasedBuilder):
VERSION = datasets.Version("0.1.2")
BUILDER_CONFIGS = [
pianos_Config(
name="eval",
features=datasets.Features(
{
"mel": datasets.Image(),
"label": datasets.features.ClassLabel(names=_NAMES),
"pitch": datasets.features.ClassLabel(
names=list(_PITCHES.values())
),
}
),
supervised_keys=("mel", "label"),
task_templates=[
ImageClassification(
task="image-classification",
image_column="mel",
label_column="label",
)
],
),
pianos_Config(
name="default",
features=datasets.Features(
{
"audio": datasets.Audio(sampling_rate=22050),
"mel": datasets.Image(),
"label": datasets.features.ClassLabel(names=_NAMES),
"pitch": datasets.features.ClassLabel(
names=list(_PITCHES.values())
),
}
),
supervised_keys=("audio", "label"),
task_templates=[
AudioClassification(
task="audio-classification",
audio_column="audio",
label_column="label",
)
],
),
]
def _info(self):
return datasets.DatasetInfo(
description=_DESCRIPTION,
features=self.config.features,
homepage=_HOMEPAGE,
license="mit",
citation=_CITATION,
supervised_keys=self.config.supervised_keys,
task_templates=self.config.task_templates,
)
def _split_generators(self, dl_manager):
dataset = []
if self.config.name == "eval":
data_files = dl_manager.download_and_extract(_URLS["eval"])
for path in dl_manager.iter_files([data_files]):
fname = os.path.basename(path)
if fname.endswith(".jpg"):
dataset.append(
{
"mel": path,
"label": os.path.basename(os.path.dirname(path)),
"pitch": _PITCHES[fname.split("_")[0]],
}
)
else:
subset = {}
audio_files = dl_manager.download_and_extract(_URLS["audio"])
for path in dl_manager.iter_files([audio_files]):
fname = os.path.basename(path)
if fname.endswith(".wav"):
subset[fname.split(".")[0]] = {
"audio": path,
"label": os.path.basename(os.path.dirname(path)),
"pitch": _PITCHES[fname[1:4]],
}
mel_files = dl_manager.download_and_extract(_URLS["mel"])
for path in dl_manager.iter_files([mel_files]):
fname = os.path.basename(path)
if fname.endswith(".jpg"):
subset[fname.split(".")[0]]["mel"] = path
dataset = list(subset.values())
random.shuffle(dataset)
count = len(dataset)
p80 = int(0.8 * count)
p90 = int(0.9 * count)
return [
datasets.SplitGenerator(
name=datasets.Split.TRAIN, gen_kwargs={"files": dataset[:p80]}
),
datasets.SplitGenerator(
name=datasets.Split.VALIDATION, gen_kwargs={"files": dataset[p80:p90]}
),
datasets.SplitGenerator(
name=datasets.Split.TEST, gen_kwargs={"files": dataset[p90:]}
),
]
def _generate_examples(self, files):
if self.config.name == "eval":
for i, path in enumerate(files):
yield i, {
"mel": path["mel"],
"label": path["label"],
"pitch": path["pitch"],
}
else:
for i, path in enumerate(files):
yield i, {
"audio": path["audio"],
"mel": path["mel"],
"label": path["label"],
"pitch": path["pitch"],
}
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