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How did Apple make this work??

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Source: Jeff Geerling
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  • original_url: https://www.youtube.com/watch?v=9h-nFbAsJ8M
  • uploaded_at: 2026-05-08T00:00:00Z
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  • description: Apple's HomePod minis can pair up into stereo pairs. But how do they do it? Resources mentioned in this video: HomePod mini: https://www.apple.com/shop/buy-homepo... IEEE 802.1AS: https://www.ida.liu.se/~sohsa65/cours... AirPlay 2 RS (open source project): https://github.com/lmcgartland/airpla... What is gPTP: https://blog.meinbergglobal.com/2024/... What is PTP: https://en.wikipedia.org/wiki/Precisi... Wireshark: https://www.wireshark.org HomePod mini intro video:    • HomePod Mini! Watch Apple's full presentat...   MacRumors buyers guide: https://buyersguide.macrumors.com/#Ho... Support me on Patreon:   / geerlingguy   Sponsor me on GitHub: https://github.com/sponsors/geerlingguy Merch: https://www.redshirtjeff.com 2nd Channel:    / @geerlingengineering   3rd Channel:    / @level2jeff   Contents: 00:00 - What did Apple do 01:22 - How hard can it be 06:36 - Now there are two 08:30 - Testing a stereo pair 09:46 - Wireshark 10:52 - WiFi snooping with Apple 12:46 - Finding gPTP 15:03 - Timing packets 17:09 - How PTP works 17:55 - Brief look at IEEE 802.1AS and AVB 19:51 - Apple using standards
  • title: How did Apple make this work??
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