Before and After: Make a Voice Agent Feel Live
Explain why realtime TTS workflows prioritize latency, streaming, and output format over offline render quality.
Same kiosk demo, different audio chain. What changed? Before: polished render, awkward pause. After: responsive first audio. Model choice changed from offline expressiveness first to low latency first because live users judge the pause before speech. Generation changed from full-file waiting to streamed playback because first audio matters more than waiting for the complete response. Output format matched the destination device because unnecessary conversion can add delay or degrade phone/app playback. Script chunks became shorter because realtime interaction rewards concise turns that can start speaking sooner. A live voice chain is successful when the first useful sound arrives on time.…
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