Fujitsu Siemens Computers Fujitsu-Siemens PC User Manual

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14 
•  Soundcard and SPDIF 
You will be able to tell if SPDIF is available on the soundcard 
by the cinch socket or the digital optical sound connection 
labelled with SPDIF. If you want to use this signal, you will 
need a speaker system with a decoder that can process digital 
signals. With a digital optical sound connection you will require 
a loudspeaker system with decoder which has digital optical 
input. Make sure you follow the operating instructions for the 
decoder. 
 
•  Using the multi-channel audio function (optional) If you 
want to find out more about the possibilities of multi-channel 
sound, you will find the corresponding information in the 
soundcard documentation. 
 
 
"Sound on Board" sound processing and playback 
 
If your system is equipped with "Sound on Board", then the AC97 
sound standard (Audio Codec 97) or the new Intel
®
 High 
Definition Audio (HDA) sound standard are available to you.  
 
AC97
(Audio Codec 97) 
 
This is processed by a Codec chip (Coder Decoder) which is 
located on the motherboard. The AC97 sound standard is 
implemented by various chip manufacturers using the 
corresponding drivers and the associated programs.  
 
HDA (Intel
®
 High Definition Audio) 
 
The new HDA sound standard, developed under the code name 
"Azalia" will be introduced with the new 
"
Intel
® 
915P" chip 
generation. This new audio standard will soon supersede the AC97 
standard. It offers considerably improved recording and 
reproduction properties. The automatic assignment recognition of 
the audio sockets is new. When you assign an audio socket, the 
menu for the "Realtek" player automatically appears with the 
associated "Audio Wizard".