Datasets:
Add methods `_remove_to_long_pauses` and `_filter_utterances_by_duration`
Browse files
chall.py
CHANGED
@@ -20,14 +20,20 @@ logger = logging.get_logger(__name__)
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class ChallConfig(BuilderConfig):
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split_segments: bool = False
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max_chunk_length: Union[float, None] = None
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def __init__(self, **kwargs):
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self.split_segments = kwargs.pop("split_segments",
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self.max_chunk_length = kwargs.pop("max_chunk_length",
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self.
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super(ChallConfig, self).__init__(**kwargs)
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@@ -56,7 +62,10 @@ class Chall(GeneratorBasedBuilder):
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ChallConfig(
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name="asr_acl",
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split_segments=True,
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max_chunk_length=12,
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description="Settings used for the paper."
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)
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]
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@@ -97,10 +106,14 @@ class Chall(GeneratorBasedBuilder):
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def _info(self) -> DatasetInfo:
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"""
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This method specifies the datasets.DatasetInfo object which contains
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:return: The DatasetInfo object
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"""
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if self.config.split_segments:
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features = Features({
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"audio_id": Value("string"), # todo maybe shorten to id
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@@ -234,12 +247,18 @@ class Chall(GeneratorBasedBuilder):
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segments = transcript.get("segments", [])
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if self.config.max_chunk_length is not None:
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segments = self._split_long_utterances(segments)
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if self.config.remove_trailing_pauses:
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self._remove_trailing_pauses_in_segments(segments)
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for segment_i, segment in enumerate(segments):
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id_ = f"{audio_id}_{str(segment_i).rjust(3, '0')}"
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@@ -271,9 +290,15 @@ class Chall(GeneratorBasedBuilder):
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yield id_, data
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"""
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Removes pauses at the end/start of utterances in each segment to eliminate pauses between segments.
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:return: A list of Word objects representing the removed pause indicators from the segments.
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"""
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for segment in segments:
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@@ -286,9 +311,59 @@ class Chall(GeneratorBasedBuilder):
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if not segment["words"]:
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segments.remove(segment)
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def _split_long_utterances(self, segments: List[dict]) -> List[dict]:
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"""
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Splits segments into smaller chunks if their duration exceeds the maximum chunk length specified in the config.
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:param segments: List of original segments from the transcript.
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:return: List of adjusted segments, potentially split into smaller chunks.
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"""
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class ChallConfig(BuilderConfig):
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split_segments: bool = False
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# settings that can only be used together with split_segments
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max_chunk_length: Union[float, None] = None
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min_chunk_length: Union[float, None] = None
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max_pause_length: Union[float, None] = None
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remove_trailing_pauses: bool = False
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def __init__(self, **kwargs):
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self.split_segments = kwargs.pop("split_segments", ChallConfig.split_segments)
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self.remove_trailing_pauses = kwargs.pop("remove_trailing_pauses", ChallConfig.remove_trailing_pauses)
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self.max_chunk_length = kwargs.pop("max_chunk_length", ChallConfig.max_chunk_length)
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self.min_chunk_length = kwargs.pop("min_chunk_length", ChallConfig.min_chunk_length)
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self.max_pause_length = kwargs.pop("max_pause_length", ChallConfig.max_pause_length)
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super(ChallConfig, self).__init__(**kwargs)
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ChallConfig(
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name="asr_acl",
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split_segments=True,
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max_pause_length=12,
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max_chunk_length=12,
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min_chunk_length=0.5,
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remove_trailing_pauses=True,
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description="Settings used for the paper."
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)
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]
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def _info(self) -> DatasetInfo:
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"""
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This method specifies the datasets.DatasetInfo object which contains information and typings for the dataset
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:return: The DatasetInfo object
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"""
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# todo text (make word = timestamps)
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# todo duration
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# todo tasks
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if self.config.split_segments:
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features = Features({
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"audio_id": Value("string"), # todo maybe shorten to id
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segments = transcript.get("segments", [])
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if self.config.max_pause_length:
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segments = self._remove_to_long_pauses(segments)
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if self.config.max_chunk_length is not None:
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segments = self._split_long_utterances(segments)
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if self.config.remove_trailing_pauses:
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self._remove_trailing_pauses_in_segments(segments)
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if self.config.max_pause_length is not None:
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segments = self._filter_utterances_by_duration(segments, self.config.min_chunk_length, self.config.max_chunk_length)
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for segment_i, segment in enumerate(segments):
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id_ = f"{audio_id}_{str(segment_i).rjust(3, '0')}"
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yield id_, data
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@staticmethod
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def _remove_trailing_pauses_in_segments(segments: List[dict]) -> None:
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"""
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Removes pauses at the end/start of utterances in each segment to eliminate pauses between segments.
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Example:
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[["Hello", "World!", "(...)"]] --> [["Hello"], ["World!"]]
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[["(...)", "Hello", "World!"]] --> [["Hello"], ["World!"]]
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:return: A list of Word objects representing the removed pause indicators from the segments.
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"""
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for segment in segments:
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if not segment["words"]:
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segments.remove(segment)
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def _remove_to_long_pauses(self, segments: List[dict]) -> List[dict]:
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"""
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Remove to long pauses in a segment by splitting the segment in two segments and removing the filled pause.
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Example (assuming (...) is longer than max_pause_length):
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[["Hello", "(...)", "World!"]] --> [["Hello"], ["World!"]]
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:return: List of segments with long pauses removed
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"""
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split_segments = []
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for segment in segments:
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if any(w["end"]-w["start"] >= self.config.max_pause_length and w["text"].strip() == "(...)" for w in segment["words"]):
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start_i = 0
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for i, word in enumerate(segment["words"]):
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w_duration = word["end"] - word["start"]
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if w_duration >= self.config.max_pause_length and word["text"].strip() == "(...)":
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if len(segment["words"][start_i:i]) > 0:
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split_segments.append({"speaker": segment["speaker"], "words": segment["words"][start_i:i]})
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start_i = i+1
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if len(segment["words"][start_i:]) > 0:
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split_segments.append({"speaker": segment["speaker"], "words": segment["words"][start_i:]})
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else:
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split_segments.append(segment)
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return split_segments
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@staticmethod
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def _filter_utterances_by_duration(segments: List[dict], min_duration: float = None, max_duration: float = None, ):
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"""
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Removes segments with invalid duration
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:param min_duration: The minimum duration allowed for a segment.
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:return: A list of removed short segments.
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"""
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filtered_segments = []
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for segment in segments:
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duration = segment["words"][-1]["end"] - segment["words"][0]["start"]
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if min_duration is not None and duration < min_duration:
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continue
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if max_duration is not None and duration > max_duration:
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continue
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filtered_segments.append(segment)
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return filtered_segments
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def _split_long_utterances(self, segments: List[dict]) -> List[dict]:
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"""
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Splits segments into smaller chunks if their duration exceeds the maximum chunk length specified in the config.
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Example (assuming each word is longer than max_duration):
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[["Hello", "World!"]] --> [["Hello"], ["World!"]]
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:param segments: List of original segments from the transcript.
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:return: List of adjusted segments, potentially split into smaller chunks.
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"""
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