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Building an AudioWorklet-Powered Real-Time Speech Activity Detector (SAD) inside the Browser

Master client-side audio DSP. Code a real-time voice activity and speech detector inside an AudioWorkletProcessor to throttle WebSocket audio payload streams.

Sachin SharmaCreator

Jun 5, 2026

6 min read

Building an AudioWorklet-Powered Real-Time Speech Activity Detector (SAD) inside the Browser

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Quick Overview

Master client-side audio DSP. Code a real-time voice activity and speech detector inside an AudioWorkletProcessor to throttle WebSocket audio payload streams.

Web Audio API AudioWorklet Speech Activity Detection Audio Processing DSP Performance WebSockets

Sachin Sharma

Software Developer

Building digital experiences at the intersection of design and code. Sharing weekly insights on engineering, productivity, and the future of tech.

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