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@Krishna

Krishna/clapperboard.js

Forked from pragdave/clapperboard.js
Created April 23, 2020 13:03
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Trivial JS function to help sync sound and screen when recording a browser based screencast
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clapperboard.js
export function clapperBoard() {
let audio = new AudioContext()
let beep = audio.createOscillator()
let flash = document.createElement("div")
beep.frequency.value = 440 * 5
beep.connect(audio.destination)
flash.classList.add("clapperboard")
beep.start()
document.body.appendChild(flash)
setTimeout(() => flash.remove(), 100)
beep.stop(audio.currentTime + 0.1)
}
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Krishna commented Apr 23, 2020 

Trivial JS function to help sync sound and screen when recording a browser based screencast

Courtesy of @pragdave's tweet

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