Noise Reduction - Samsung Galaxy S4 User Manual

Ringtones and keypad tones
Select incoming call ringtone and vibration, and enable or
disable call vibration and keypad tones.
From the Call Settings screen, under Ringtone and
sound settings, touch Ringtones and keypad tones. The
following options are available:
• Ringtones: Select the ringtone your phone plays to alert you of
incoming calls.
• Vibrations: Select the vibration pattern your phone uses to alert
you of incoming calls.
• Vibrate when ringing: Touch to enable/disable use of your
selected Vibrations. When enabled, a check mark displays in
the check box.
• Keypad tones: Touch to enable/disable playing of DTMF tones
when you enter numbers with the Phone keypad. When
enabled, a check mark displays in the check box.
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Personalize call sound
Apply a sound equalizer to the call audio, in cases where you
might need the sound softer or clear, or optimized for your
right or left ear.
From the Call Settings screen, under Ringtone and
sound settings, touch Personalize call sound and select
Adapt Sound, Soft sound, Clear sound, or Off (sound
set with the Volume key).

Noise reduction

When enabled, the phone uses both of its microphones to
detect background noise from your environment and
suppress it during calls.
From the Call Settings screen, under Ringtone and
sound settings, touch Noise reduction to enable or
disable the option.