Advantech POC127, User Manual

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POC-127 User Manual 28
4.1 Introduction
The POC-127's onboard audio interface provides high-quality stereo sound by using
the ALC892 audio controller from Realtek. The ALC892 series are high performance
7.1+2 channel High Definition Audio Codecs providing ten DAC channels that simul-
taneously support 7.1 sound playback, plus 2 channels of independent stereo sound
output (multiple streaming) through the front panel stereo outputs.
Key Features:

All DACs support 44.1K/48K/96K/192KHz sample rate

All ADCs support 44.1K/48K/96K sample rate

Software selectable boost gain for analog microphone input

All analog jacks are stereo

Build in headphone amplifiers for headphone jack

Supports anti-pop mode when analog power AVDD is on and digital power is off.
POC-127 contains one headphone output (Green color) jack, one microphone (Pink
color) input jack and one line-in jack.
There are two internal speakers to provide stereo audio.
4.2 Installation of Audio Driver
Before installing the audio driver, please take note of the procedures detailed below.
You must know which operating system you are using in your POC-127, and then
refer to the corresponding installation flow chart. Just follow the steps in the flow
chart. You can quickly and successfully complete the installation, even though you
are not familiar with instructions for Windows.
This setup program will install the audio driver and Realtek utility into your system.
4.2.1 Installation for Windows XP
Step 1. Double Click “Setup.exe” in D:\Driver\XP\Audio folder. The Install dialog will
appear.
Note! The following windows illustrations are examples only. You must follow
the flow chart instructions and pay attention to the instructions which
appear on your screen.
Note! The CD-ROM drive is designated as “D” throughout this chapter.
Note! <Enter> means pressing the “Enter” key on the keyboard.