Can it keep up with fast emergency-department speech?

Yes — Universal-3.5 Pro Realtime runs at ~150ms P50 latency while maintaining a 3.2% Missed Entity Rate.

How does it handle overlapping voices and noise?

Universal-3.5 Pro is built for real-world audio with a hallucination rate ~30% lower than Whisper; add diarization to separate speakers.

Does it capture critical medications and doses?

Yes — that entity class is exactly what Medical Mode improves; add specifics via keyterms.

Is emergency-department PHI protected and BAA-eligible?

AssemblyAI is a business associate under HIPAA and signs a standard BAA; PHI redaction; SOC 2 Type 2.

How much does real-time ED transcription cost?

$0.15/hr Medical Mode add-on on the realtime model.

How do I enable Medical Mode for emergency medicine?

Add domain: "medical-v1" to the realtime session.

Emergency medicine

Fast-paced ED audio, captured accurately

Emergency documentation is the hardest case: rapid speech, overlapping voices, critical drug names and doses, no time to correct. Universal-3.5 Pro with Medical Mode holds a 3.2% Missed Entity Rate under that pressure, in real time, so the record keeps pace with the room.

Try Medical Mode free on your audio Read the docs

Speed and accuracy at the same time — where ED documentation usually forces a trade-off

Missed Entity Rate 3.2%

Missed Entity Rate on clinical conversations with Medical Mode.

vs. Universal-3 Pro ~20%

Fewer missed medical entities than Universal-3 Pro alone.

vs. base model 87%

Fewer medical entity errors than the base model.

Benchmarked providers #1

Lowest Missed Entity Rate vs. Deepgram, Speechmatics, AWS, and Google.

See the medical benchmarks

Activation

Real-time capture under pressure

Stream the room's audio and keep the record in step with a fast ED — one WebSocket, one parameter, no model swap.

from assemblyai.streaming.v3 import StreamingClient, StreamingParameters

client = StreamingClient(api_key="YOUR_API_KEY")

# Emergency medicine: rapid speech, critical meds/doses
client.connect(StreamingParameters(
    speech_model="universal-3-5-pro",
    domain="medical-v1",
    keyterms_prompt=["epinephrine", "1 mg", "tachycardia", "STEMI"],
))

Critical-med accuracy

Emergency drugs and doses (epinephrine, 1mg) captured where errors are most consequential.

Universal-3.5 Pro

Low latency, no trade-off

~150ms P50 streaming keeps documentation in step with a fast room.

Universal-3.5 Pro Realtime

Robust on chaotic audio

Overlapping speech and noise handled, with ~30% lower hallucination than Whisper.

Medical Mode

Common questions

: Yes — Universal-3.5 Pro Realtime runs at ~150ms P50 latency while maintaining a 3.2% Missed Entity Rate.
: Universal-3.5 Pro is built for real-world audio with a hallucination rate ~30% lower than Whisper; add diarization to separate speakers.
: Yes — that entity class is exactly what Medical Mode improves; add specifics via keyterms.
: AssemblyAI is a business associate under HIPAA and signs a standard BAA; PHI redaction; SOC 2 Type 2.
: $0.15/hr Medical Mode add-on on the realtime model.
: Add domain: "medical-v1" to the realtime session.

Try Medical Mode free on your audio

Run your own ED audio through Medical Mode in the playground — one parameter, real time. Free to start, no credit card required.

Try Medical Mode free