OpenAI TTS spike Key comes from AWS Secrets Manager server-side (ti_whisper_key) — nothing to type, and the key never reaches this page. Play the same text through both engines and compare.
Test text — each one targets a different failure mode Real reply — sensor answer (what Buddi actually said) Pauses & punctuation — the thing Piper gets wrong Numbers & units — sensor readings HVAC terminology — the glossary words Acronyms & abbreviations Short reply — a typical turn Long reply — sustained prosody & total latency Operator error message — must sound calm, not alarming Wake response — short, spoken constantly Text (editable — edit freely, the dropdown just fills it) Instructions (tone steering — gpt-4o-mini-tts only) Voice alloy ash ballad coral echo fable nova onyx sage shimmer verse marin cedar Format mp3 opus aac flac wav pcm
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