Scalable Offline ASR for Command-Style Dictation in Courtrooms

• URL: http://arxiv.org/abs/2507.01021v1
• Date: Sat, 07 Jun 2025 17:26:45 GMT
• Title: Scalable Offline ASR for Command-Style Dictation in Courtrooms
• Authors: Kumarmanas Nethil, Vaibhav Mishra, Kriti Anandan, Kavya Manohar,
• Abstract summary: We propose an open-source framework for Command-style dictation.<n>It addresses the gap between resource-intensive Online systems and high-latency Batch processing.
• Score: 0.9961452710097686
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We propose an open-source framework for Command-style dictation that addresses the gap between resource-intensive Online systems and high-latency Batch processing. Our approach uses Voice Activity Detection (VAD) to segment audio and transcribes these segments in parallel using Whisper models, enabling efficient multiplexing across audios. Unlike proprietary systems like SuperWhisper, this framework is also compatible with most ASR architectures, including widely used CTC-based models. Our multiplexing technique maximizes compute utilization in real-world settings, as demonstrated by its deployment in around 15% of India's courtrooms. Evaluations on live data show consistent latency reduction as user concurrency increases, compared to sequential batch processing. The live demonstration will showcase our open-sourced implementation and allow attendees to interact with it in real-time.

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