Re: Persistent sound recognition alerts :I am hard of hearing and use hearing aids. At night I sleep without them, and because of this, I don’t hear much when I sleep and would likely not survive if there is a fire in my building
Thank you for your questions posted to the Apple (user-to-user) Community.
Am no expert n this area, yet your post deserves some response.
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Re: Apple Watch : I know Apple has Sound Recognition, and I know it can alert if a fire alarm goes off.
Can I use this to alert me when I sleep?
As we know: Sound recognition is available on iPhone or iPad:
Recognize sounds using iPhone - Apple Support
Eg: says:
Note: Don’t rely on your iPhone to recognize sounds in circumstances where you may be harmed or injured,
in high-risk or emergency situations, or for navigation.
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Re: "I need my watch to vibrate continuously until I stop it myself. Is it possible to make the notifications persistent on the watch? "
There's another discussion thread about receiving Sound recognition notifications on Apple Watch:
How do I get Sound Recognition notificati… - Apple Community
Eg:
A community specialist says:
If your iPhone is locked or asleep you will get notifications on your Apple Watch, unless your Apple Watch is also locked. You can adjust notification vibrations using the steps in the following resource:
Change the audio and notification settings on your Apple Watch - Apple Support
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You likely know you can: Contact emergency services with Apple Watch - Apple Support
If you have Apple Watch Ultra:
Eg: The above article says:
"Signal for help with the siren on Apple Watch Ultra models
Apple Watch Ultra models have a built-in siren that emits high intensity sound patterns to attract help in case of emergency.
See Activate the siren.
Eg: says:
"Your watch also taps your wrist as the siren sounds.
WARNING: If possible, do not turn on the siren close to your ears or in enclosed environments."
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Re: "I have also been looking at the HomePod and wondering if it would be smart to buy as an extra sound recognition device?"
Sorry, i don't know. Please remember Apple says not to rely on Sound recognition in high-risk situations.
Your HomePod question may receive a more useful reply for everyday situations
if posted again in the HomePod - Apple Comm(unity
All the best :-)