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README.md
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- speaker-identification
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- speaker-identification
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Multitask Speech Model with Wav2Vec2
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This repository contains a multitask learning pipeline built on top of Wav2Vec2
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, designed to jointly perform:
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Automatic Speech Recognition (ASR) (character-level CTC loss)
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Speaker Identification
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Emotion Recognition
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The system is trained on a combination of training dataset with parallel data from speech transcriptions, speaker identification and emotion recognition labels.
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📌 Features
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Multitask model (Wav2Vec2MultiTasks) with shared Wav2Vec2 encoder and separate heads for:
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Speech Recognition (CTC)
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Speaker classification
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Emotion classification
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Custom data preprocessing:
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Cleans transcripts (removes punctuation & special characters)
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Converts numbers into words
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Builds a vocabulary and tokenizer
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Filters short/invalid audio
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Training, validation, and test splits with collators for CTC.
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Evaluation metrics:
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Character Error Rate (CER) for character recognition
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Accuracy for speaker and emotion classification
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