The Zero-Latency
Voice Firewall

Detect sensitive data in 10ms. Humsana Signal analyzes the texture of speech to block PII without transcription.

Live Engine Status ● SAFE STREAM
1. Click Activate.   2. Say "Hello".   3. Read numbers: "4... 2... 4... 2..."

Why "Texture" changes everything

Traditional PII detection is too slow for real-time voice agents.

Status Quo (Transcription)
1. Speech to Text+800ms
2. NLP Analysis+300ms
3. RedactionDone
Total Latency~1.2s
Humsana Signal
1. Texture Analysis10ms
2. Signal BlockInstant
Total Latency~10ms

Universal Integration

Compatible with any platform that supports WebSockets.

// Vapi Tool Definition
const tool = { "type": "function", "function": { "name": "check_pii", "url": "wss://voice.humsana.com/stream?key=voice_hum_demo123", "description": "Stream audio here to detect credit cards." } }
<!-- Twilio Media Stream TwiML -->
<Response> <Start> <Stream url="wss://voice.humsana.com/stream"url": "wss://voice.humsana.com/stream?key=voice_hum_demo123"," /> </Start> <Say>Humsana is now protecting this call..</Say> <Pauselength="10" /> </Response>
# Universal WebSocket (Python Client)
import websockets async with websockets.connect("wss://voice.humsana.com/stream?key=voice_hum_demo123") as ws: # Send JSON with 'pcm16' format for raw audio await ws.send(json.dumps({ "audio": base64_audio_chunk, "format": "pcm16" })) response = await ws.recv() if "PII_DETECTED" in response: mute_audio()