speaker
Output PCM audio data to the speakers
mic
A simple stream wrapper for arecord (Linux (including Raspbian)) and sox (Mac/Windows). Returns a Passthrough stream object so that stream control like pause(), resume(), pipe(), etc. are all available.
audify
Play/Stream/Record PCM audio data & Encode/Decode Opus to PCM audio data
node-microphone
Allows Microphone access in node with arecord (Linux) and sox (Windows/OSX).
node-mic
Microphone streaming library for Node.js