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OPOm Pednekarompednekar.hashnode.devJun 26 · 10 min read

Building a Real-Time Speech-to-Text Pipeline: WebSockets, VAD, and Backpressure

Most speech-to-text demos you see online work the same way: record audio, send the whole file, wait for a response. That's fine for a voice memo transcriber. It falls apart the moment you want live ca

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MAMisal Azeemcallstacktech.hashnode.devFeb 8 · 13 min read

How to Setup VAPI Webhooks for Real-Time Voice Processing: My Journey

How to Setup VAPI Webhooks for Real-Time Voice Processing: My Journey TL;DR VAPI webhooks fire on speech-update events—VAD triggers, transcripts arrive, function calls execute. Most setups break because webhook handlers block on external API calls, c...

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MAMisal Azeemcallstacktech.hashnode.devDec 17, 2025 · 13 min read

Implementing VAD and Turn-Taking for Natural Voice AI Flow: My Experience

Implementing VAD and Turn-Taking for Natural Voice AI Flow: My Experience TL;DR Most voice AI systems fail at turn-taking because VAD fires on breathing, silence detection varies 100-400ms across networks, and barge-in interrupts mid-sentence. This b...

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MAMisal Azeemcallstacktech.hashnode.devDec 14, 2025 · 12 min read

Implementing Real-Time Audio Streaming in VAPI: Use Cases

Implementing Real-Time Audio Streaming in VAPI: Use Cases TL;DR Most real-time audio streams break when network jitter hits 200ms+ or when VAD fires during silence. Here's how to build a production-grade VAPI audio pipeline that handles PCM audio pro...

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MAMisal Azeemcallstacktech.hashnode.devDec 13, 2025 · 12 min read

Rapid Prototyping with No-Code Tools: Build AI Voice Agents

Rapid Prototyping with No-Code Tools: Build AI Voice Agents TL;DR Most no-code voice agents break when they hit real conversation logic—conditional routing, dynamic data lookups, multi-step workflows. Here's how to build one that scales beyond "hello...

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MAMisal Azeemcallstacktech.hashnode.devDec 13, 2025 · 12 min read

Boost CSAT with VAD, Backchanneling, and Sentiment Routing

Boost CSAT with VAD, Backchanneling, and Sentiment Routing TL;DR Most voice AI agents tank CSAT because they interrupt customers mid-sentence or miss emotional cues. Here's how to fix it: Voice Activity Detection (VAD) prevents false turn-taking, bac...

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MAMisal Azeemcallstacktech.hashnode.devDec 12, 2025 · 13 min read

How to Prioritize Naturalness in Voice AI: Implement VAD

How to Prioritize Naturalness in Voice AI: Implement VAD TL;DR Most voice AI breaks when users interrupt mid-sentence or pause to think—the bot either talks over them or cuts them off. VAD (Voice Activity Detection) solves this by detecting speech bo...

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#voice-activity-detection-vad

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Trending tags this week

Building a Real-Time Speech-to-Text Pipeline: WebSockets, VAD, and Backpressure

How to Setup VAPI Webhooks for Real-Time Voice Processing: My Journey

Implementing VAD and Turn-Taking for Natural Voice AI Flow: My Experience

Implementing Real-Time Audio Streaming in VAPI: Use Cases

Rapid Prototyping with No-Code Tools: Build AI Voice Agents

Boost CSAT with VAD, Backchanneling, and Sentiment Routing

How to Prioritize Naturalness in Voice AI: Implement VAD