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.
Realtek HD Audio Manager
You can confirm and change the audio configuration using the
Realtek HD
Audio Manager
. To launch the
Realtek HD Audio Manager
, click
Start ->
Control Panel
, select
Large icons
from
View by
, then click
Realtek HD
Audio Manager
.
When you first launch the Realtek HD Audio Manager, you will see two
device tabs.
Speakers
is the default output device.
Microphone
is the
default input device. To change the default device, click the
Set Default
Device
button under the chosen device tab.
Information
Click the
Information
button
to view hardware information, software
information, and language setting.
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
.
When audio power management is enabled, the circle button at the
upper left of the Power Management is blue and convex.
When audio power management is disabled, the button is black and
concave.
Speaker Configuration
Click the
Auto Test
button
to confirm the internal speakers or the
headphone sound is coming from the right direction.
Default Format
You can change the sample rate and bit depth of sound.
Video mode
Video mode settings are configured via the
Screen Resolution
dialog.
Qosmio X770/X775 Series
User's Manual
3-46
