Samsung SM-S921W User Manual page 193

Appendix
Adapt sound
Optimize the sound setting to find the best sound quality and use it for calls or media
playback.
Open Settings, tap Accessibility → Hearing enhancements → Adapt sound, tap the
switch to turn it on, and then optimize the sound setting.
Turning off all sounds
Set the device to mute all device sounds, such as media sounds, and the caller's voice
during a call.
Open Settings, tap Accessibility → Hearing enhancements, and then tap the Mute all
sounds switch to turn it on.
Mono audio
Mono output combines stereo sound into one signal that is played through all
headphone speakers. Use this if you have a hearing impairment or if a single earbud is
more convenient.
Open Settings, tap Accessibility → Hearing enhancements, and then tap the Mono
audio switch to turn it on.
Adjusting the sound balance
Set the device to adjust the sound balance.
1
Open Settings and tap Accessibility → Hearing enhancements.
2
Drag the adjustment bar under Left/right sound balance to the left or right and
adjust the sound balance.
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