Asus Application User manual

ASUS M3N78 PRO 5-9
Audio congurations
The Realtek®audio CODEC provides 8-channel audio capability to deliver the
ultimate audio experience on your computer. The software provides Jack-Sensing
function, S/PDIF Out support, and interrupt capability. The CODEC also includes
the Realtek®proprietary UAJ®(Universal Audio Jack) technology for all audio ports,
eliminating cable connection errors and giving users plug and play convenience.
Follow the installation wizard to install the Realtek®Audio Driver from the support
CD/DVD that came with the motherboard package.
If the Realtek audio software is correctly installed, you will nd the Realtek HD
Audio Manager icon on the taskbar.
From the taskbar, double-click on the SoundEffect icon to display the Realtek HD
Audio Manager.
Realtek HD Audio Manager
A. Realtek HD Audio Manager for Windows® Vista™
Control
settings
window
Conguration
option tabs
Information
button
Exit button
Minimize
button
Device
advanced
settings
Connector
settings
Analog
and digital
connector
status
Set default
device button

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Device advanced settings
Click Device advanced settings to show
further settings for the playback and
recording device.
Information
Click the Information button ( ) to
display information about the audio driver
version, DirectX version, audio controller,
audio codec, and language setting.
Connector settings
Click the Connector Settings button
( ) to show further settings for the
analog/digital output/input ports.
Exit
Click the Exit button or the OK button ( ) to exit the Realtek HD Audio
Manager.
Conguration options
Click any of the tabs in this area to congure your audio settings.
The Conguration options shown in this section are for reference purposes
only and may not exactly match what you see on your screen. In the Windows
Vista™ environment, Realtek HD Audio Manager automatically detects devices
connected to the analog/digital ports and shows corresponding conguration
options tabs.

ASUS M3N78 PRO 5-11
Digital Output
The Realtek®audio CODEC allows you to
connect an external audio output device
via the coaxial/digital S/PDIF port. You
can set your listening environment, set
the karaoke, or select pre-programmed
equalizer settings for your listening
pleasure.
To set the digital output options
1. From the Realtek HD Audio
Manager, click the Digital Output
tab.
2. Click Set Default Device to set the digital output port as the default audio
output device.
3. Click the Sound Effects sub-tab for options on changing the acoustic
environment and karaoke settings, or click the Default Format sub-tab for
options on changing the default audio output format.
4. Click to effect the Digital Output settings and exit.
Speakers
The Speakers tab allows you to congure
audio output settings using the analog
audio ports.
To set the speakers options
1. From the Realtek HD Audio
Manager, click the Speakers tab.
2. Click Set Default Device to set the
analog ports as the default audio
output device.
3. Click the Speaker Conguration
sub-tab for audio channel options and test.
4. Click the Sound Effects sub-tab for options on changing the acoustic
environment and karaoke settings.
5. Click the Room Correction sub-tab for individual speaker distance
adjustment.
6. Click the Default Format sub-tab for options on changing the default audio
output format.
7. Click to effect the Speakers settings and exit.

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Line In
The Line In tab allows you to congure
audio input settings using the analog line
in port.
To set the analog line in options
1. From the Realtek HD Audio
Manager, click the Line In tab.
2. Click Set Default Device to set the
analog line in port as the default
audio input device.
3. The Line In tab allows you to adjust
the recording and playback volume and set a default format for audio input.
4. Click to effect the Line In settings and exit.
Microphone
The Microphone tab allows you to
congure the audio input settings using
the analog microphone port and to check
if your microphone device is connected
properly.
To set the Microphone options
1. From the Realtek HD Audio
Manager, click the Microphone tab.
2. In the Microphone Effects sub-
tab, click the Noise Suppression
option button to reduce the static background noise when recording. Click the
Acoustic Echo Cancellation option button to reduce the echo from the front
speakers when recording. Click the Beam Forming option button to eliminate
surrounding noise interferences.
3. Click the Default Format sub-tab for options on changing the default audio
input format.
4. Click to effect the Microphone settings and exit.

ASUS M3N78 PRO 5-13
Control settings
window
Conguration
options
Information
button
Exit button
Minimize
button
B. Realtek HD Audio Manager for Windows XP
Information
Click the information button ( ) to
display information about the audio driver
version, DirectX version, audio controller,
audio codec, and language setting.
Minimize
Click the minimize button ( ) to minimize the window.
Exit
Click the exit button ( ) to exit the Realtek HD Audio Manager.

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Sound Effect
The Realtek®audio CODEC allows you
to set your listening environment, adjust
the equalizer, set the karaoke, or select
pre-programmed equalizer settings for
your listening pleasure.
To set the sound effect options
1. From the Realtek HD Audio
Manager, click the Sound Effect
tab.
2. Click the shortcut buttons or the
drop-down menus for options on changing the acoustic environment, adjust
the equalizer, or set the karaoke to your desired settings.
3. Click to effect the Sound Effect settings and exit.
Mixer
The Mixer option allows you to congure
audio output (playback) volume and audio
input (record) volume.
To set the mixer options
1. From the Realtek HD Audio
Manager, click the Mixer tab.
2. Turn the volume buttons to adjust
the Playback and/or Record volume.
The Mixer option activates voice input from all channels by default. Make sure
to set all channels to mute ( ) if you do not want voice input.
3. Make adjustments to Wave, SW Synth, Front, Rear, CD volume, Mic volume,
Line Volume, and Stereo mix, etc. by clicking the control tabs and dragging
them up and down until you get the desired levels.
Click the next button ( ) to display more menu options.
4. Click to effect the Mixer settings and exit.
Conguration options
Click any of the tabs in this area to congure your audio settings.

ASUS M3N78 PRO 5-15
Audio I/O
The Audio I/O option allows you congure
your input/output settings.
To set the Audio I/O options
1. From the Realtek HD Audio
Manager, click the Audio I/O tab.
2. Click the drop-down menu to select
the channel conguration.
3. The control settings window displays
the status of connected devices.
Click for analog and digital options.
4. Click <OK> to effect the Audio I/O settings and exit
Microphone
The Microphone option allows you
congure your input/output settings
and to check if your audio devices are
connected properly.
To set the Microphone options
1. From the Realtek HD Audio
Manager, click the Microphone
tab.
2. Click the Noise Suppression
option button to reduce the static background noise when recording.
3. Click the Acoustic Echo Cancellation option button to reduce the echo from
the front speakers when recording.
4. Click the Beam Forming option button to eliminate surrounding noise
interferences. Click to start microphone calibration.
5. Click to effect the Microphone settings and exit.

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3D Audio Demo
The 3D Audio Demo option gives you a
demonstration of the 3D audio feature.
To start the 3D Audio Demo
1. From the Realtek HD Audio
Manager, click the 3D Audio Demo
tab.
2. Click the option buttons to change
the sound, moving path, or
environment settings.
3. Click to test your settings.
4. Click to effect the 3D Audio Demo settings and exit.