Bruno Capuano • 8/21/2026

Local transcript cleanup in .NET with s1-mini

This article introduces ElBruno.S1Mini, a .NET library that wraps the superwhisper/s1-mini model for local ASR transcript normalization. It explains how to install the package, use the TranscriptNormalizer API to clean raw speech-to-text output, configure model caching, and integrate with dependency injection. The post highlights the benefits of running the model locally with ONNX Runtime GenAI, ensuring privacy, and provides code examples for basic and advanced usage. It also notes that s1-mini is not a general chat model and recommends using TranscriptNormalizer for safety.

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#Csharp #Onnx #Local AI