Product Description
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1.8 Audio Subsystem
The board supports Intel HD Audio via the Realtek ALC892 audio codec. The audio
subsystem supports the following features:
• Analog stereo line-out
• In-chassis stereo speakers support (3 W/4 Ω via internal header)
• Analog line-in (back panel jack)
• Signal-to-noise ratios (SNR) of 97 dB for the DACs and 90 dB for the ADCs
• Support for 44.1 kHz/48 kHz/96 kHz/192 kHz sample rates on all analog inputs
and outputs
• DMIC interface (internal header), with support for mono and stereo digital
microphones
• Front panel HD Audio/AC’97 headphones/microphone support (internal header)
• Advanced jack sense for the back panel line-out jack that enables the audio codec
to recognize the connected device
• Microphone input jack that supports a single dynamic, condenser, or electret
microphone
• Windows 7 Ultimate certification
Table 9 lists the supported functions of the front panel and back panel audio jacks.
Table 9. Audio Jack Support
Audio Jack Headphones Microphone Line Out Line In
Front panel – Green Default
Front panel – Pink Default
Back panel – Green (ctrl panel) (jack-detect)
Back panel – Pink Default
Internal Stereo Speaker 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 19
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