Evaluating live streaming speech synthesis (TTS) requires assessing fine-grained, highly expressive prosody such as emotion, intonation, and energy which traditional MOS predictors fail to capture. While proprietary Large Language Models (LLMs) like Gemini can evaluate these aspects, they are too costly for massive inference and reinforcement learning feedback. To address this, we first introduce…
All of China's AI models combined generate only about 10% of OpenAI's revenue, yet several Chinese startups carry higher valuation multiples than their U.S. rivals
