Round-Trip Entity Verification Lab
Synthesizes each turn via assemblyai-tts-1, wraps the 24 kHz pcm_s16le stream into a RIFF WAVE container, and transcribes it through Universal-3.5 Pro (POST /v2/transcript) to prove that every booking code, price, and time survives synthesis.
Execute Live Round-Trip Readback Check
Appliance Dispatch Readback (Sanitized)
“Thanks for calling Alliance Appliance Repair. Your booking code is 4-9-3-A, confirmed for $12.50 at 2:15 PM.”
“Thanks for calling Alliance Appliance Repair. Your booking code is 493A, confirmed for $12.50 at 2:15 PM.”
Sanitized prompt stripped [pause] and dashed 4-9-3-A, achieving 100% Universal-3.5 Pro entity readback lock.
Captured Round-Trip Benchmark Matrix (4 Runs)
Appliance Dispatch Readback (Sanitized)
“Thanks for calling Alliance Appliance Repair. Your booking code is 493A, confirmed for $12.50 at 2:15 PM.”
Uncompiled Bracket Tag & Code Leak (Bug Proof)
“Pause. Thanks for calling Alliance Appliance Repair. Your booking code is 493A, confirmed for $12.50 at 2:15 PM.”
Harbor Cardiology Triage (Male Voice)
“Good morning from Harbor Cardiology. Your reference code is 842B for room 304 at 9:45 AM. Copay $25.”
Iberia Express Booking (Spanish Multilingual)
“Hola, gracias por llamar a Iberia Express. Su código de reserva es 729C por $45 a las 4:30 PM.”