NetEase Youdao open-sources Confucius4-R2T2, a 1.7B streaming ASR model

NetEase Youdao has open-sourced Confucius4-R2T2, a 1.7B parameter real-time streaming automatic speech recognition model. The system combines a single audio encoder with a large language model foundation to handle both offline and streaming ASR, designed to prevent text mutation from corrupting downstream voice agent states.