Unverified50% confidenceFactExact time
ASR requires streaming processing to reduce first-character latency, while TTS requires streaming synthesis to reduce first-packet latency.
1
Sources
50%
Confidence
Long-term
Relevance
10/29/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedOn-device inference optimization and streaming processing technology allow the latency of real-time ASR to be kept within 200–500 milliseconds.73% similarUnverifiedTime to first byte (TTFB) refers to the time from sending text to receiving the first audio byte; end-to-end latency includes the entire time consumed by audio capture, ASR transcription, intent processing, TTS synthesis and playback buffering.66% similarUnverified缓存命中时prefill阶段可跳过已缓存部分，TTFT可从数秒压缩至毫秒级65% similarUnverifiedThe cumulative latency of a traditional ASR→LLM→TTS three-stage pipeline is typically between 800 milliseconds and 2 seconds.64% similarUnverifiedAccording to official data, compared with traditional round-robin load balancing, KV-aware routing can reduce time to first token (TTFT) by up to 40% and increase overall throughput by 25-30%.64% similar
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