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User’s Manual 4-28
Operating Basics
Dolby Advanced Audio
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.
■ Dolby Headphone: Enables personal surround sound using any set of
headphones.
To access Dolby Advanced Audio function, follow the steps as detailed
below:
1. Right-click on the speaker icon on the Taskbar, and select Playback
Devices from the sub menu.
2. Select Speakers, and click Properties.
3. Click the Dolby tab.
Adjusting Microphone Level
Follow the steps below to change the microphone recording level.
1. Right-click on the speaker icon on the Taskbar, and select Recording
devices from the sub menu.
2. Select Microphone, and click Properties.
3. On the Levels tab move the Microphone slider to increase or decrease
the microphone volume level.
If you feel the microphone volume level is inadequate, move the
Microphone Boost slider to a higher level.
Notes on Using the Microphone
You can use the built-in or an external microphone that connects to the
microphone jack to record monaural sounds into your applications. It can
also be used to issue voice commands to applications that support such
functions (built-in microphone is provided with some models).
Since your computer has a microphone and speaker, "feedback" may be
heard under certain conditions. Feedback occurs when sound from the
speaker is picked up in the microphone and amplified back to the speaker,
which amplifies it again to the microphone.