net10.0
Local speech-to-text transcription using Whisper models with ONNX Runtime. Zero-configuration, automatic GPU acceleration, and lazy model downloading.
Published
Aug 9, 2026
2mo ago
Total Downloads
19.2K
19,228
Install
dotnet add package LMSupply.Transcriber --version 0.39.0
| Product | Versions |
|---|---|
| .NET |
README
LMSupply.Transcriber
Local speech-to-text transcription using Whisper models.
Features
- Zero-config: Models download automatically from HuggingFace
- GPU Acceleration: CUDA, DirectML (Windows), CoreML (macOS)
- MIT Licensed: OpenAI Whisper models
- 99+ Languages: Auto-detection and multilingual support
Quick Start
using LMSupply.Transcriber;
// Load the default model
await using var transcriber = await LocalTranscriber.LoadAsync("default");
// Transcribe audio
var result = await transcriber.TranscribeAsync("audio.wav");
Console.WriteLine(result.Text);
Console.WriteLine($"Language: {result.Language}");
Console.WriteLine($"Duration: {result.DurationSeconds}s");
Available Models
| Alias | Model | Size | WER | Description |
|---|---|---|---|---|
fast |
Whisper Tiny | ~150MB | 7.6% | Ultra-fast |
default |
Whisper Base | ~290MB | 5.0% | Balanced |
quality |
Whisper Small | ~970MB | 3.4% | Higher accuracy |
medium |
Whisper Medium | ~3GB | 2.9% | High quality |
large |
Whisper Large V3 | ~6GB | 2.5% | Highest accuracy |
english |
Whisper Base.en | ~290MB | 4.3% | English optimized |
GPU Acceleration
# NVIDIA GPU
dotnet add package Microsoft.ML.OnnxRuntime.Gpu
# Windows (AMD/Intel/NVIDIA)
dotnet add package Microsoft.ML.OnnxRuntime.DirectML
Changes from Previous Version
No structural changes between v0.38.1 and v0.39.0.
Adoption Assessment
Assess this package against its supported frameworks, license, maintenance signals and dependency graph before making it a project standard.
Compatibility metadata lists 1 target framework; confirm the exact target used by your application.
Related Guides & Workflows
Learn how to evaluate, integrate, or audit this package in your .NET project.