4-18 User’s Manual
L550/L555/L550D/L555D
If an external microphone or audio cable is connected to the Microphone
jack, the Realtek HD Audio Manager Connector Settings dialog will be
displayed allowing selection of either “Line In” or “Mic In” input.
Information
Click the information button to view hardware information, software
information, and language setting.
Speaker Configuration
Click the playback button to confirm the internal speakers or the
headphone sound is coming from the right direction.
Sound Effects
This section explains how to select various sound effects.
■ Environment - simulates reverberations of sound for familiar
environments around us. You can select an existing preset in the menu.
■ Equalizer - raises or lowers a frequency of sound to simulate a popular
genre of music. You can select an existing preset in the menu.
■ Karaoke - cancels the specific frequency of sound and results in the
Vocal Cancellation. Clicking the Karaoke icon, lowers the vocal sound
within music. Using the arrow buttons will adjust the musical key of the
sound.
Microphone Effects
Microphone Effects are only found within Microphone window.
■ Noise Suppression reduces background noise and fan noise.
■ Acoustic Echo Cancellation reduces feedback and feedback echo.
Default Format
You can change the sample rate and bit depth of sound.
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