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What this means
Users usually want full Windows system audio to reach an AirPlay-compatible speaker, not only a browser tab or local media file.
Receiver differences
HomePod, Apple TV, and third-party AirPlay-compatible receivers can behave differently on the same network.
ToneSpan approach
ToneSpan focuses first on HomePod compatibility and clear diagnostics before broader receiver claims.
Best next step
Use the checker to confirm receiver discovery, firewall status, VPN interference, and delay expectations.
FAQ
Is ToneSpan an official AirPlay product?
No. ToneSpan is independent and does not claim Apple affiliation or certification.
Does AirPlay audio have delay?
Network audio usually buffers, so it is best for music and general sound rather than exact video sync.
Which receiver should I test first?
Start with HomePod or HomePod mini because that is the first ToneSpan compatibility focus.