Fitbit prepares snoring and noise detection and “your sleeping animal”

The latest update to the app includes the beginnings of nighttime snoring and sound detection, as well as a nice way to think about your sleeping habits.

About APK Insight: In this “APK Insight” post, we decompiled the latest version of an application that Google uploaded to the Play Store. If we decompile these files (called APKs in the case of Android apps), we can see different lines of code in this hint of possible future functionality. Note that Google may or may not never ship these features and our interpretation of these features may not be perfect. However, we will try to activate the ones closer to completion to show you what they will look like if they are shipped. With that in mind, read on.

Snore and noise detection

Today has a pretty straightforward sleep tracking system that uses the fitness tracker on your wrist to measure how long your body is on each sleep cycle based on things like your heart rate and your movement. With the launch of 3.42 on the Play Store today, the health app purchased from Google is preparing for the trackers to be used to determine why you may not be sleeping well or feeling unrested in the morning.

With Snore and Noise Detection turned on, when your Fitbit detects that you have fallen asleep, it turns on its microphone and then begins to hear the sounds around you, including your possible snoring.

How does snore and noise detection work?

While you sleep, your Fitbit device’s microphone can monitor noises, including snoring from you or someone next to you. We look all night for:

• Sound intensity: we analyze the noise level (how loud or quiet it is) to determine the basic noise level.
• Snoring events: We are looking for noises specific to snoring. When our algorithm detects an event that is louder than the noise floor, it does a calculation to decide whether it is snoring or something else. If the noise level in your room is higher than the snoring, this feature may not be able to detect the snoring.

As you’d expect, Fitbit has no way of knowing who is snoring. So if you have a partner who snores, know that their nocturnal noises will be included in the detection mix. Fitbit shows you these results as a percentage of how much of your night was spent snoring.

Remember, this feature can detect snoring from you or someone next to you. Here are the possible outcomes you can see:

• “none to light” means that you snored less than 10% of your total sleep time.
• “Moderate” means that you snored 10–40% of the total time you slept.
• “Frequently” means that you snored more than 40% of your total sleep time.

Regardless of whether snoring is detected, your Fitbit can also determine how loud the ambient noise in your bedroom is on a scale from “very quiet” to “very loud”.

The noise level graph shows the volume in your sleeping environment, including snoring and other surrounding noises. This information comes from the sound pressure measured by your Fitbit device’s microphone. You can see:

• “Very quiet” (30 dBA or less)
• “Quiet” (30–50 dBA)
• “Moderate” (50–70 dBA)
• “Loud” (70–90 dBA)
• “Very loud (90 dBA or higher)

If it sounds pretty taxing to your fitness tracker with your microphone listening all night, you’re right. Therefore, Fitbit recommends charging your device over 40% before lying down, and it is also strongly advised that using Snore & Noise Detect will mean that you will need to charge your Fitbit more frequently.

For best results we recommend:

• Do not play white noise or other ambient noises while you are sleeping.
• Charge your device to at least 40% before you go to bed. Note that this feature requires more recharging.

To date, “Snore & Noise Detect” is not generally available in the Fitbit app, but we were able to briefly activate the feature to at least set it up, although we haven’t been able to fully test it.

Your sleeping animal

Fitbit is also working on another sleep-related feature called “Your Sleeping Animal”. Unlike snore detection, things seem to be very early on because most of the relevant text is currently a placeholder. However, there are some sleep profiles in the app, between simple descriptions and cute animal comparisons.

  • Restless sleeper
  • Segmented sleeping car
  • Flat sleeper
  • Short sleepers
  • Sleeper slowly falling asleep
  • Solid sleeper
  • The bear
  • The dolphin
  • The giraffe
  • The hummingbird
  • The kangaroo
  • The turtle

Thanks to JEB Decompiler, which some APK Insight teardowns from.

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