Uploaded June 2024 | Updated September 2026, 1 week ago

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What is inside of AirPods? Thank you very much Markus Klemm

Links:
- Markus' LinkedIn: linkedin.com/in/markus-klemm-b42a98233
- The full article on Markus' website: mklemm.org/projects/airpod_acoustic_teardown
- FEDEVEL courses: fedevel.com/courses

Other links:
The Patent we talked about: worldwide.espacenet.com/patent/search?q=pn%3DUS10397682B2
FCC report about AirPod: https://fcc.report/FCC-ID/BCG-A1722/

Chapters:
00:00 What is this video about
01:26 What is inside of AirPods
18:54 Patents
21:49 How to search for patents
27:23 Writing requirements for Audio product
32:21 The whole PCB
34:28 PCB details
37:43 Acoustic basics
41:57 Acoustic model
46:06 Ear simulator
51:21 Electro-Acoustic analogy
53:48 Acoustic components in AirPod
1:02:12 Why not to do all acoustic in DSP?
1:05:58 Active noise cancellation
1:14:15 How to design acoustic components
1:16:27 Simulating acoustic components
1:20:41 Influence of leakage
1:23:21 AirPod Clone
1:25:21 MEMS Microphones
1:28:56 Other MEMS sensors
1:30:23 About Markus
1:33:48 Total Harmonic Distortion

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- Robert