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The Engineering Inside Wireless Earbuds || How do Wireless Earbuds and Audio Codecs Work?

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 Science   |   Technology
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Description

Let's take apart these wireless earbuds [Apple AirPods 2] and see all the components. Then we'll explore audio codecs and the world of digital audio, and see how it all works.
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This video explores the inner workings of wireless earbuds and specifically, we'll explore these Apple AirPods 2. We'll give you a general overview of how these earbuds work, and then dive into how Audio is represented digitally. We'll dive even deeper into Audio sampling rates, and audio bit depth. Finally, we'll give a brief overview of audio file formats.

Want to support in-depth engineering and technology education? Support us on Patreon: http://www.patreon.com/brancheducation

Website: http://www.branch.education

Modeling, Animation- Victor Duarte (@victorvdr9) Digital Artist. http://www.victorvdr9.artstation.com
Script, Editing- Teddy Tablante
Twitter: @teddytablante
Voice Over- Phil Lee

Table of Contents:
00:00 - Exploring Wireless Earbuds
02:18 - All the Components inside Apple AirPods 2
04:41 - How Wireless Earbuds Work
06:14 - What are Codecs?
08:47 - Sampling Frequency & Bit depth
15:21 - Audio File Formats .mp3 .flac
16:46 - Wrap Up!

Key Branches from this video are: Speakers, How does sound work?, How does sound travel?

Erratum:

Animation built using Blender 2.90.1 https://www.blender.org/
Post with Adobe Premiere Pro

Internet References:
Audio Codecs and Audio Data Converter Ics www.maximintegrated.com/en/products/analog/audio/audio-codecs-and-audio-data-converter-ics.html

Audio File Size Calculator
toolstud.io/video/audiosize.php?samplerate=44100&sampledepth=24&channelcount=2&timeduration=60&timeunit=seconds

Dempsey, Joe. "How do MP3 and WAV Files differ?" Studio . www.dawsons.co.uk/blog/how-do-mp3-and-wav-files-differ

Wikipedia contributors. "Analog Signal". "Audio Bit Depth". "Audio Coding Format". "Bit Rate". "Codec". "Compact Disc Digital Audio". "Digital Audio". "MP3". "Nyquist-Shannon Sampling Theorem". "Pulse-Code Modulation". "Sampling Rate". "Sampling (Signal processing)". Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, Visited November, 2020


#Wireless #Earbuds #AirPods

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