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.
This video is sponsored by KIOXIA. Visit KIOXIA's website to see their lineup of solid-state drives:
www.kioxia.com
Do you want to support in-depth engineering and technology education? Support us on: https://www.patreon.com/brancheducation
Website: https://www.branch.education
On Facebook: https://www.facebook.com/BranchEducation/
On Twitter: https://twitter.com/TeddyTablante
On Insta: https://www.instagram.com/brancheducation/
Or Join us on YouTube Memberships: https://www.youtube.com/channel/UCdp4_l1vPmpN-gDbUwhaRUQ/join
This video is part of a series that explores how wireless headphones work.
1) Audio Codecs https://youtu.be/_ZKNOKHpqE4
2) Noise Cancellation https://youtu.be/VIi04uD8LtY
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", "Frequency-Shift Keying" , "Phase-Shift 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
https://www.youtube.com/watch?v=4lXBHD5C8do
#Bluetooth #Wireless #Headphones