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Updated sensors (?) in AW Series 9 and AWU 2 [MERGED]
- Thread starter yepp
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Per https://www.apple.com/watch/compare/ everything since the AW6 is one generation past the AW4 for the heart sensor.
AW4:
- Electrical heart sensor and second-generation optical heart sensor
- Blood oxygen sensor;4electrical heart sensor and third-generation optical heart sensor
- Temperature sensor,7 blood oxygen sensor;4 electrical heart sensor and third-generation optical heart sensor
- Temperature sensor,7 blood oxygen sensor;4 electrical heart sensor and third-generation optical heart sensor
- Temperature sensor;7 blood oxygen sensor;4 electrical heart sensor and third-generation optical heart sensor; depth gauge; water temperature sensor
That is immensely useful. Now, we need to find out whether the algorithms used with the sensor may have changed…
Of course, that should be part of the Watch OS, but it could depend on advanced CPU, neural learning engine, etc.
Better algorithms, even with the same sensors, could mean better heart rate, ECG, O2, sleep, temperature monitoring.
Any news on whether Watch OS 10 or the Watch Series 9 brings improvements in those areas?
Of course, that should be part of the Watch OS, but it could depend on advanced CPU, neural learning engine, etc.
Better algorithms, even with the same sensors, could mean better heart rate, ECG, O2, sleep, temperature monitoring.
Any news on whether Watch OS 10 or the Watch Series 9 brings improvements in those areas?
Agree - Apple Chat has become such a waste of time.
They might as well employ robots w/ AI and manners.
I could swear that I read that it was improved but now I can not find that same information.
‘Is it improved or not?
‘Is it improved or not?
It was a rumour but Apple didn't mention it and their website says it's still third generation. It appears it's not improved at this point.
I suspect that the heart rate and blood oxygen sensors may be taking more frequent measurements on Series 9 and ultra 2. Why?
1) New S9 chip is supposed to be more power efficient although Apple still suggests 18 hrs and 36 hours battery life.
2) I heard that the finger tapping gesture requires oxygen measurement to accurately detect the gesture.
3) Ultra battery life on low power mode has jumped from 48 hours to 72 hours. Now, what does low-power mode disable? - Background measurements from health sensors.
I should emphasize — this is just my speculation. Any thoughts?
1) New S9 chip is supposed to be more power efficient although Apple still suggests 18 hrs and 36 hours battery life.
2) I heard that the finger tapping gesture requires oxygen measurement to accurately detect the gesture.
3) Ultra battery life on low power mode has jumped from 48 hours to 72 hours. Now, what does low-power mode disable? - Background measurements from health sensors.
I should emphasize — this is just my speculation. Any thoughts?
I don't think your train of thought it completely unreasonable, there should be optimization with the new processor, but I think that's too big a change to go unannounced.
I wonder if the newer chip will support more future tech that they didn't announce yet. Could they just turn on other features down the line.
I believe the double tap leverages changes in blood flow, so probably simply using the hr sensor. O2 readings take too long and are a huge battery suck, so probably not used for such a quick motion gesture.
Apple introduces the advanced new Apple Watch Series 9
Apple today introduced Apple Watch Series 9, bringing new capabilities to the world’s best-selling watch and achieving a significant environmental milestone.
www.apple.com
If this is true, then he hr sensor would have to be active almost anytime the screen is “on.” So, presumably, it will be taking more frequent measurements. I don’t think the new watches have new sensor hardware, though. I would think they’d want to explicitly state that if it were so.
I believe the double tap leverages changes in blood flow, so probably simply using the hr sensor. O2 readings take too long and are a huge battery suck, so probably not used for such a quick motion gesture.
Apple introduces the advanced new Apple Watch Series 9
Apple today introduced Apple Watch Series 9, bringing new capabilities to the world’s best-selling watch and achieving a significant environmental milestone.www.apple.com
If this is true, then he hr sensor would have to be active almost anytime the screen is “on.” So, presumably, it will be taking more frequent measurements. I don’t think the new watches have new sensor hardware, though. I would think they’d want to explicitly state that if it were so.
I also think that it’s certainly still the same sensor hardware. You’re right, perhaps the heart rate measurements are measured more frequently (not blood oxygen). Google Pixel watch measures heart rate continuously every second, so it means that it must be feasible without huge battery drain.
Maybe, Series 9 and Ultra 2 similarly measures HR every second for gesture detection, although these measurements are perhaps still not recorded in the health app due to inaccuracy. Possibly, that’s why Apple chose not to mention such more frequent HR measurements in its presentation.
I know, this is too many speculations
Not necessarily. It’s possible that the gesture detection only activates based on a trigger (interrupt) from the accelerometer at the moment of the first tap and the actual pattern then being recognised to identify a double-tap gesture is the subsequent opening of the fingers again followed by a closing of the fingers, presumably both detected by whatever blood flow changes Apple mentioned when discussing the feature, and terminating in another vibration from the fingers contacting each other for the second tap.I believe the double tap leverages changes in blood flow, so probably simply using the hr sensor. O2 readings take too long and are a huge battery suck, so probably not used for such a quick motion gesture.
Apple introduces the advanced new Apple Watch Series 9
Apple today introduced Apple Watch Series 9, bringing new capabilities to the world’s best-selling watch and achieving a significant environmental milestone.www.apple.com
If this is true, then he hr sensor would have to be active almost anytime the screen is “on.” So, presumably, it will be taking more frequent measurements. I don’t think the new watches have new sensor hardware, though. I would think they’d want to explicitly state that if it were so.
I’m not saying this is how it works but it’s at least concievable.
If the sensor has not changed, the double tap thing should work with the original Ultra, too. I know the Ultra 1 has this in accessibility but it does not work on my Ultra.
The sensors may be the same, but Ultra 2 has a more advanced chip. So maybe the U2 is able to process a more complex algorithm to detect the finger taps than the U1.
Unless the double tap requires CPU and Neural Engine input that the S8 and below cannot match.
The accessibility double pinch is not great, but not terrible. I tried those features for a while (still have it turned on) and they're not terrible, but I can see a more contextual and accurate double tap being a victory.
It will be interesting to see! I purchased the Ultra 2 for this and to give my brother the Ultra 1 for his birthday, but after finding out the sensors are the same, i cancelled the order. Will have to find something else as a gift!