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 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

99% of all internet traffic – from this video to your Pokemon Go account to your family WhatsApp group – runs on a hidden network of undersea cables. Why should you care? Because modern life is increasingly dependent on those slinky subaquatic wires. And they get attacked by sharks from time to time.

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Flexible Buildings: The Future of Architecture | Engineering Documentary

World's Tallest Tower: Burj Khalifa - Dubai's Vertical City: https://youtu.be/NJI8mOv4VW4

Never before have there been so many people on Earth. The new world creates new challenges for us living together, one of the biggest being the infrastructure in the world we live in.

How can we ensure that the cities anonomyzing and isolating its inhabitants become places of encounter again? How can we use technology to create new spaces in areas where there is no space left? How can sustainable construction revolutionize the construction industry? - In the search for answers, the documentary presents current concepts and implementations from the core disciplines of architecture, development of building materials, and urban design.
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Free Documentary is dedicated to bringing high-class documentaries to you on YouTube for free. With the latest camera equipment used by well-known filmmakers working for famous production studios. You will see fascinating shots from the deep seas and up in the air, capturing great stories and pictures from everything our beautiful and interesting planet has to offer.

Enjoy stories about nature, wildlife, culture, people, history and more to come.

Dive into the subconscious to see what’s really driving the decisions you make.
Official Website: https://to.pbs.org/3pUGv1s | #novapbs are you in control, or is your brain controlling you? Dive into the latest research on the subconscious with neuroscientist Heather Berlin. Sleepwalking, anesthesia, game theory, and more reveal surprising insights in this eye-opening journey to discover what’s really driving the decisions you make.

Chapters:
00:00 Introduction
03:22 Sleepwalking and the Brain
08:36 Anesthesia and the Brain
14:18 Results of Split Brain Surgery
22:23 Emotions and the Brain
30:01 How Does Trauma Affect the Brain?
35:39 How Much Control Do We Have of Our Brain?
45:44 Creativity and the Brain
50:17 Conclusion

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