Samsung UN46ES7500F E-Manual page 328

Voice Sensitivity
●
You can configure the sensitivity of Voice
recognition.
Howling: Select howling levels.
Recognition
responsiveness level of Voice recognition.
Voice Control Environment Test
●
You can test the amount of ambient noise
level detected by the TV microphone.
Noise
–
of ambient noise detected by the TV
microphone. Too much ambient noise
will prevent Voice Command from
responsiveness: Select the
Test: This test checks the amount