Samsung Galaxy S 4 mini User Manual page 7

Your phone features earSmart™, an intelligent voice processor that delivers a clear voice experience, allowing you to hear and be
heard™ in nearly any environment. earSmart technology uses the science of human hearing to distinguish sounds, identify your
voice and suppress surrounding noise, for clear conversations just about anywhere.
How Does It Work?
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The earSmart voice processor in your phone captures your voice and all the sounds around you.
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Working like the human ear, it processes and distinguishes these sounds, isolates your voice conversation, and removes background noise -
from both ends of a call.
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It also automatically equalizes and adjusts voice volume so you can hear and talk naturally, even in the noisiest places.
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With earSmart technology, you can talk where you want, and have clear conversations for mobile calls, video chats, even speakerphone calls,
without worrying about surrounding noise.
Online Legal Information
The online version of the Health/Safety and Warranty guide for your device can be found at:
English: https://www.samsung.com/us/Legal/Phone_HSGuide
Spanish: https://www.samsung.com/us/Legal/Phone_HSGuide_SP
The online version of the End User Licensing Agreement for your device can be found:
Online at: https://www.samsung.com/us/Legal/SamsungLegal-EULA1.