Speech to text for Live Captions
Pulse generates accurate live captions at 100ms TTFB-for accessibility tools, live events, and broadcast applications

Click anywhere to start transcribing
Experience pulse speech to text
Speech to text for Live Captions
Pulse generates accurate live captions at 100ms TTFB-for accessibility tools, live events, and broadcast applications

Click anywhere to start transcribing
Experience pulse speech to text
Speech to text for Live Captions
Pulse generates accurate live captions at 100ms TTFB-for accessibility tools, live events, and broadcast applications

Click anywhere to start transcribing
Experience pulse speech to text
Transcription Benchmarks
Transcription Benchmarks
Transcription Benchmarks
World’s Most Advanced Speech Intelligence
Go beyond text with automated speaker labeling, real-time sentiment analysis, and intelligent language identification for global production workloads.
World’s Most Advanced Speech Intelligence
Go beyond text with automated speaker labeling, real-time sentiment analysis, and intelligent language identification for global production workloads.
World’s Most Advanced Speech Intelligence
Go beyond text with automated speaker labeling, real-time sentiment analysis, and intelligent language identification for global production workloads.

Industry-Leading Accuracy and Speed
Outperforms the competition with the lowest WER across 30+ languages and sub-70ms latency

Emotion-Aware Captions
Hesitation, confidence, and sentiment signals embedded in every live caption stream

Multi-Speaker Live Captions
Each speaker labeled and timestamped in real time—even with overlapping speech

38 Languages, Auto-Detected
Automatic language detection with seamless code-mixing mid-sentence

PII Redaction Built-In
Personal and payment data automatically redacted from live caption streams

Noise-Robust Live Captions
Background noise handled natively—no preprocessing required

Industry-Leading Accuracy and Speed
Outperforms the competition with the lowest WER across 30+ languages and sub-70ms latency

Emotion-Aware Captions
Hesitation, confidence, and sentiment signals embedded in every live caption stream

Multi-Speaker Live Captions
Each speaker labeled and timestamped in real time—even with overlapping speech

38 Languages, Auto-Detected
Automatic language detection with seamless code-mixing mid-sentence

PII Redaction Built-In
Personal and payment data automatically redacted from live caption streams

Noise-Robust Live Captions
Background noise handled natively—no preprocessing required
For Developers
Automate.Orchesrate. Dominate with code
Build real-time speech pipelines with Node and Python SDKs. Audio in, transcription out — no middleware, no complexity.
For Developers
Automate.Orchesrate. Dominate with code
Build real-time speech pipelines with Node and Python SDKs. Audio in, transcription out — no middleware, no complexity.
For Developers
Automate.Orchesrate. Dominate with code
Build real-time speech pipelines with Node and Python SDKs. Audio in, transcription out — no middleware, no complexity.
Certified & Compliant
Guarding your data with enterprise security
Certified & Compliant
Guarding your data with enterprise security
Certified & Compliant
Guarding your data with enterprise security
Proactive Defense
Anticipating threats before they emerge, thanks to our advanced monitoring.
Proactive Defense
Anticipating threats before they emerge, thanks to our advanced monitoring.
Proactive Defense
Anticipating threats before they emerge, thanks to our advanced monitoring.
Frequently
asked questions
What accuracy does Pulse achieve on live speech?
Does Pulse handle multilingual code-switching?
Does Pulse accurately separate interviewer and interviewee voices?
What languages are supported for live captioning?
What makes Pulse different from Deepgram or AssemblyAI?
Is Pulse suitable for WCAG accessibility compliance?
Is emotion and tone detection available?
From your city to Timbuktu,
we hear you.
From your city to Timbuktu,
we hear you.
The speech to text API your product needs
311 California Street, Suite 320
San Francisco, CA 94104
Documentation
Initiatives
The speech to text API your product needs
311 California Street, Suite 320
San Francisco, CA 94104
Documentation
Initiatives
The speech to text API your product needs
311 California Street, Suite 320
San Francisco, CA 94104
Documentation
Initiatives







