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NodeJS Microphone VAD Streaming

This is a NodeJS example of recording from the microphone and streaming to STT with voice activity detection.

Prerequisites:

  1. The example utilized the mic NPM module which requires either sox (Windows/Mac) or arecord (Linux).

  2. Download a pre-trained model and scorer from the Coqui Model Zoo

Dependency

Is needed the library libasound2-dev

$ sudo apt-get install libasound2-dev

Install:

npm install

Run NodeJS server:

node start.js

Specify alternate STT model path:

Use the STT_MODEL environment variable to change models.

STT_MODEL=~/dev/jaxcore/coqui-stt-models/ node start.js