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README.md
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data_files:
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- split: only_gender_reliable
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path: metadata.csv
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---
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# Introduction
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## Motivation
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## Filter for Usable
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## Filter for Transcription
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## Filter for Gender
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## Filter for Emotion
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data_files:
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- split: only_gender_reliable
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path: metadata.csv
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- split: emotion_gender_reliable
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path: emotion_metadata.csv
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---
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# Introduction
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## Motivation
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## Filter for Usable
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To ensure the quality and consistency of the audio data, we applied the following preprocessing steps:
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Duration Filtering: Audio clips shorter than 5 seconds or longer than 15 seconds were excluded to maintain a consistent length range suitable for analysis.
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Resampling: All audio files were resampled to a 16 kHz sampling rate, which is commonly used in speech processing tasks to balance quality and computational efficiency.
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Channel Conversion: Stereo audio files were converted to mono by averaging the left and right channels. This step ensures uniformity across the dataset and simplifies subsequent processing.
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## Filter for Transcription
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We used Whisper-Large-v3-turbo to evaluate transcription quality, retaining only samples with a Word Error Rate (WER) below 0.1. This model was chosen for its strong performance and fast inference, making it suitable for large-scale filtering. The WER threshold ensures high-quality transcriptions and reduces noise for downstream tasks.
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## Filter for Gender
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Manual verification was conducted by four annotators. Only samples with unanimous agreement among all four were retained; others were discarded.
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## Filter for Emotion
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For both gender and emotion filtering, samples were manually reviewed by four annotators. Only those with unanimous agreement were kept.
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