Does gyroscope accuracy correlate with sensor delay in Android?

Question

I need very accurate rotation measurements of the gyroscope with at least a sampling rate of 50Hz (the more the better).

This is why I want to know if changing the sample rate of the gyroscope increases/decreases the accuracy of the measurements. E.g. if setting the update rate of the gyroscope lower than SENSOR_DELAY_FASTEST, does this increase the accuracy of the rotation measurements?

Thank you!

Answer 1

Changing the sampling rate of the sensor only impacts the load it imposes on the processor. It won't increase or decrease the accuracy.

Sensors Overview from Android documentation says:

The delay that you specify is only a suggested delay. The Android system and other applications can alter this delay. As a best practice, you should specify the largest delay that you can because the system typically uses a smaller delay than the one you specify (that is, you should choose the slowest sampling rate that still meets the needs of your application). Using a larger delay imposes a lower load on the processor and therefore uses less power.