Toshiba NB550D - Manual (Page 62)

Power Management
The audio controller in your computer can be turned off when the audio
function is not used. To adjust the configuration of audio power
management, click the Power Management button
.
Speaker Configuration
Click the Auto Test 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
Voice 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.
Dolby Advanced Audio
This function is supported with some models.
Dolby Advanced Audio provides a stunning listening experience from any
pair of speakers or headphones. Adding a new level of realism to movies,
music, and games, this is the quality audio customers have been missing
from your computers.
Dolby Advanced Audio includes:
High-Frequency Enhancer: Analyzes and restores high frequencies
lost during encoding. Works on any speaker for a higher level of audio
than was previously possible.
Audio Optimization: Corrects common audio problems caused by
laptop limitations for a better entertainment experience.
Natural Bass: Extends the bass response of any speakers by up to an
octave.
NB500/NB520/NB550D
User's Manual 3-28