🌾 Verdi AI OS: Whisper Small Shona ASR (Stage 1b Finished)
This repository hosts a highly specialized fine-tuned checkpoint of OpenAI's Whisper Small optimized natively for the Shona language (sn-ZW). It forms the core Speech-to-Text foundation for Verdi AI OS—an operating system built for African agriculture, marketplace tracking, and logistics metrics automation.
📊 Training Progression Metrics
- Stage 1a (FLEURS Baseline): Dropped baseline WER to 37.15%
- Stage 1b (Studio Bible Vocals - 6,000 Rows): Finished at 29.39% WER with an ultra-low Validation Loss of 0.234
💻 Technical Configurations
- Architecture Base: Whisper Small (244M parameters)
- Batch Size: 16
- Optimization Target: Word Error Rate (WER) using greedy search decoding paths
- Next Infrastructure Phase: Stage 1c Volume Extension (Google Waxal Shona Corpus)
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Evaluation results
- Test WER on google/fleurs + manassehzw/shona-bible-bdsc-alignedself-reported29.390