whisper large v3 finetuned for ATC EU AI Act Compliance Profile

Model Overview

This model is a fine-tuned version of OpenAI's Whisper Large v3 model, specifically trained on Air Traffic Control (ATC) communication datasets. The fine-tuning process significantly improves transcription accuracy on domain-specific aviation communications, achieving a Word Error Rate (WER) of 6.5% on the test set. The model is particularly effective at handling accent variations and ambiguous phrasing often encountered in ATC communications.

• Base Model: OpenAI Large v3
• Fine-tuned Model WER: 6.5%

Model Description

This fine-tuned model is optimized to handle short, distinct transmissions between pilots and air traffic controllers. It is fine-tuned using data from:

• ATC ASR Dataset

The fine-tuned model demonstrates enhanced performance in interpreting various accents, recognizing non-standard phraseology, and processing noisy or distorted communications. It is highly suitable for aviation-related transcription tasks.

Intended Use

The fine-tuned Whisper model is designed for:

• Transcribing aviation communication: Providing accurate transcriptions for ATC communications, including accents and variations in English phrasing.
• Air Traffic Control Systems: Assisting in real-time transcription of pilot-ATC conversations, helping improve situational awareness.
• Research and training: Useful for researchers, developers, or aviation professionals studying ATC communication or developing new tools for aviation safety.

Training Procedure

• Hardware: Fine-tuning was conducted on two H100 SXM5 GPUs with 80GB VRAM.
• Epochs: 3.25
• Learning Rate: 1e-5
• Batch Size: 10 with no gradient accumulation
• Augmentation: Offline data augmentation techniques were utilized in the training set (Gaussian noise, pitch shifting, etc.).
• Evaluation Metric: Word Error Rate (WER)

Limitations

While the fine-tuned model performs well in ATC

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