How did Apple make this work??
Jeff Geerling
May 8, 2026 14:00
Create an account to hide videos, mark them watched, or save them to Don't Miss.
Create an account to hide videos, mark them watched, or save them to Don't Miss.
Create an account to hide videos, mark them watched, or save them to Don't Miss.
Chapters
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-homepod/homepod-mini/midnight
- IEEE 802.1AS: https://www.ida.liu.se/~sohsa65/courses/tsn-course-2021/stds/8021AS-2020.pdf
- AirPlay 2 RS (open source project): https://github.com/lmcgartland/airplay2-rs
- What is gPTP: https://blog.meinbergglobal.com/2024/03/27/what-is-gptp/
- What is PTP: https://en.wikipedia.org/wiki/Precision_Time_Protocol
- Wireshark: https://www.wireshark.org
- HomePod mini intro video: https://www.youtube.com/watch?v=cPakvOuwg48
- MacRumors buyers guide: https://buyersguide.macrumors.com/#Homepod-Mini
Support me on Patreon: https://www.patreon.com/geerlingguy
Sponsor me on GitHub: https://github.com/sponsors/geerlingguy
Merch: https://www.redshirtjeff.com
2nd Channel: https://www.youtube.com/@GeerlingEngineering
3rd Channel: https://www.youtube.com/@Level2Jeff
Contents:
Science & Technology
#apple
#homepod
#mini
#ptp
#gptp
#avb
#audio
#video
#bridging
#precise
#precision
#timing
#protocol
#time
#sync
#av
#multimedia
#mac
#iphone
#ipad
#airplay
#airplay2
#rs
#open source
#linux
#sonos
#wireless
#wired
#speaker
#smart
#wifi
#802.1as
#standards
#wireshark
#hack
#snoop
#snooping
#debugging
#packets
#pcap
#capture
#diagnostics