A ton of your devices use Bluetooth to communicate wirelessly. But how does Bluetooth work? In this video, we'll dive into the details of how your smartphone sends audio to your wireless headphones. Bluetooth is rather complicated and thus we're going to use a number of analogies and tools to explain it fully.

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This video is part of a series that explores how wireless headphones work.
1) Audio Codecs    • The Engineering Inside Wireless Earbu...  
2) Noise Cancellation    • How Do Noise Canceling Headphones Work?  

Script, Modelling, Animation, Editing Teddy Tablante
Twitter: @teddytablante
Voice Over Phil Lee

Table of Contents:
00:00 How does Bluetooth Work?
00:37 Traffic Lights
01:26 2.4GHz Spectrum
02:44 Issues with the Bluetooth Visualization
05:56 Details behind Bluetooth
07:30 Bluetooth Packets
08:27 Frequency Hopping Spread Spectrum
10:58 Noise in the 2.4GHz Spectrum
13:05 Bluetooth Signal Integrity
14:21 Sponsored Segment
15:33 Frequency Shift Keying & Phase Shift Keying
18:16 More Details on Scheduling & Packets
20:43 Outro

Key Branches from this video are: Wireless Headphones & Audio Codecs, Noise Cancellation

Erratum:

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

Additional Patreon / YouTube Member Credits Not Shown in the Video:
Adit Kaul

Credits:
Wikipedia contributors. "Bluetooth", "FrequencyShift Keying" , "PhaseShift Keying" , "Wireless" Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, Visited May, 2021

Music Credits
Sunburst, Tobu & Itro is licensed under Creative Commons Attribution License
http://www.7obu.com
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#Bluetooth #Wireless #Headphones