Product Description
27
1.8 Audio Subsystem
The board supports Intel HD Audio via the Realtek ALC892 audio codec. The audio
subsystem supports the following features:
• Advanced jack sense for the back panel audio jacks that enables the audio codec to
recognize the device that is connected to an audio port.
• Digital-to-Analog Converters (DAC) with 95 dB SNR (A-weighting) and Analog-to-
Digital Converters (ADC) with 90 dB SNR (A-weighting).
• Ten DAC channels support 16/20/24-bit PCM format for 7.1 channel sound
playback, plus two channels of concurrent independent stereo sound output
(multiple streaming) through the front panel output.
• Two stereo ADCs support 16/20-bit PCM format, multiple stereo recording
• Microphone Acoustic Echo Cancellation (AEC), Noise Suppression (NS), and Beam
Forming (BF) technology for voice applications.
• Windows 7 Ultimate and Windows 8 Pro certification.
Table 8 lists the supported functions of the front panel and back panel audio jacks.
Table 8. Audio Jack Support
Audio Jack
Micro-
phone
Head-
phones
Front
Speaker
Line-In
Rear
Surround
Center/
Sub
Side
Surround
FP Green Default Ctrl panel Ctrl panel
FP Pink Default Ctrl panel Ctrl panel
Rear Blue Ctrl panel Default Ctrl panel Ctrl panel Ctrl panel
Rear Green Ctrl panel Default Ctrl panel
Rear Pink Default Ctrl panel Ctrl panel Ctrl panel Ctrl panel Ctrl panel
Rear Black Ctrl panel Default
Rear Orange Ctrl panel Default
1.8.1 Audio Subsystem Software
The latest audio software and drivers are available from Intel’s World Wide Web site.
For information about Refer to
Obtaining audio software and drivers Section 1.2, page 16
Realtek 892 http://www.realtek.com.tw/products/pro
ductsView.aspx?Langid=1&PFid=28&Lev
el=5&Conn=4&ProdID=284
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