Samsung Galaxy Note 4 - Manual (Page 169)

Accessibility
169
Mono audio
Mono output combines stereo sound into one signal that is played through all headset
speakers. Use this if you have a hearing impairment or if a single earbud is more convenient.
On the All apps screen, tap Settings
→ Accessibility → Hearing, and then tick Mono audio.
Sound detectors
Set the device to vibrate when it detects your doorbell or a baby crying.
Baby crying detector
1
On the All apps screen, tap Settings → Accessibility → Hearing → Sound detectors →
Baby crying detector and tap the switch to activate it.
2
Read the on-screen information and tap OK.
3
Tap to start using the baby crying detector.
The device will vibrate when it detects sound and the alert will be saved as a log.
Doorbell detector
1
On the All apps screen, tap Settings → Accessibility → Hearing → Sound detectors →
Doorbell detector and tap the switch to activate it.
2
Read the on-screen information and tap OK.
3
Tap to make a recording of your doorbell. When you are finished recording, tap
Next
→ .
4
Ring your doorbell to check if it is recorded correctly. When the device detects the
doorbell sound, tap OK.
To change the doorbell sound, tap
→ Change doorbell sound.
When the doorbell detector is set up, tap to start using the doorbell detector. The device
will vibrate when it detects the doorbell sound.