Reza2kn/mega-asr-bench

Mega-ASR — pure browser ASR

Live demo of Mega-ASR (1.7B-param robust multilingual ASR) running entirely in your browser via onnxruntime-web and WebGPU. No server-side inference — your audio never leaves the device.

The INT4 ONNX deployment artifacts (~2 GB total: audio encoder + decoder prefill + decoder step + INT8 embedding table) ship at Reza2kn/mega-asr-onnx and are downloaded on the first visit, then cached by the browser for subsequent runs.

Pre-loaded examples come from Voices-in-the-Wild-Bench — eight noisy clips covering noise, far-field speech, obstruction, distortion, recording artifacts, echo, dropout, and a mixed condition. Each example ships with its reference transcript so the agreement score is computed automatically.

Agreement bands (word-level, 1 - WER):

• —🟢 ≥70 %
• —🟠 50-70 %
• —🟡 25-50 %
• —🔴 <25 %