George commited on
Commit
784aa77
1 Parent(s): 9b62df5

activate ci

Browse files
Files changed (2) hide show
  1. README.md +2 -2
  2. piano_sound_quality.py +6 -7
README.md CHANGED
@@ -24,7 +24,7 @@ librosa
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  ```
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  from datasets import load_dataset
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- data = load_dataset("ccmusic-database/piano_sound_quality", split="5_Kawai")
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  labels = data.features['label'].names
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  for item in data:
@@ -52,7 +52,7 @@ A score sheet (.xls format) of the piano sound quality rated by 29 people who pa
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  ### Supported Tasks and Leaderboards
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- Piano Sound Classification
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  ### Languages
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  ```
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  from datasets import load_dataset
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+ data = load_dataset("ccmusic-database/piano_sound_quality", split="train")
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  labels = data.features['label'].names
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  for item in data:
 
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  ### Supported Tasks and Leaderboards
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+ Piano Sound Classification, pitch detection
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  ### Languages
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piano_sound_quality.py CHANGED
@@ -8,7 +8,7 @@ import requests
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  from datasets.tasks import AudioClassification
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- # Once upload a new piano brand, please register its name here
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  _NAMES = [
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  "1_PearlRiver",
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  "2_YoungChang",
@@ -45,8 +45,7 @@ Data was annotated by students from the China Conservatory of Music (CCMUSIC) in
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  and collected by George Chou.
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  """
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- _URLS = {piano: _HOMEPAGE + "/resolve/main/data/" +
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- piano + ".zip" for piano in _NAMES}
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  _PITCHES = {"009": "A2", "010": "A2#/B2b", "011": "B2", "100": "C1", "101": "C1#/D1b", "102": "D1", "103": "D1#/E1b",
@@ -90,19 +89,19 @@ class piano_sound_quality(datasets.GeneratorBasedBuilder):
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  ],
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  )
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- def _get_wav_duration(self, file_bytes):
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  with wave.open(io.BytesIO(file_bytes), 'r') as wav_file:
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  frames = wav_file.getnframes()
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  rate = wav_file.getframerate()
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  duration = frames / float(rate)
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  return round(duration, 3)
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- def _read_zip(self, zip_url, wav_file_path):
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  resp = requests.get(zip_url)
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  with zipfile.ZipFile(io.BytesIO(resp.content)) as zip_file:
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  with zip_file.open(wav_file_path) as file:
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  file_data = file.read()
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- return self._get_wav_duration(file_data)
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  def _split_generators(self, dl_manager):
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  data_files = dl_manager.download_and_extract(_URLS)
@@ -146,5 +145,5 @@ class piano_sound_quality(datasets.GeneratorBasedBuilder):
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  "audio": path,
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  "label": os.path.basename(os.path.dirname(path)),
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  "pitch": _PITCHES[file_name[1:4]],
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- "duration": self._read_zip(path.split('::')[1], path.split('::')[0].split('//')[1]),
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  }
 
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  from datasets.tasks import AudioClassification
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+ # Once upload a new piano brand zip, please register its name here
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  _NAMES = [
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  "1_PearlRiver",
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  "2_YoungChang",
 
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  and collected by George Chou.
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  """
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+ _URLS = {piano: f"{_HOMEPAGE}/resolve/main/data/{piano}.zip" for piano in _NAMES}
 
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  _PITCHES = {"009": "A2", "010": "A2#/B2b", "011": "B2", "100": "C1", "101": "C1#/D1b", "102": "D1", "103": "D1#/E1b",
 
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  ],
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  )
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+ def _get_wav_dur_from_byte(self, file_bytes):
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  with wave.open(io.BytesIO(file_bytes), 'r') as wav_file:
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  frames = wav_file.getnframes()
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  rate = wav_file.getframerate()
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  duration = frames / float(rate)
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  return round(duration, 3)
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+ def _get_wav_dur_in_zip(self, zip_url, wav_file_path):
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  resp = requests.get(zip_url)
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  with zipfile.ZipFile(io.BytesIO(resp.content)) as zip_file:
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  with zip_file.open(wav_file_path) as file:
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  file_data = file.read()
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+ return self._get_wav_dur_from_byte(file_data)
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  def _split_generators(self, dl_manager):
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  data_files = dl_manager.download_and_extract(_URLS)
 
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  "audio": path,
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  "label": os.path.basename(os.path.dirname(path)),
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  "pitch": _PITCHES[file_name[1:4]],
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+ "duration": self._get_wav_dur_in_zip(path.split('::')[1], path.split('::')[0].split('//')[1]),
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  }