Technical product specification

Product Description
23
1.9 Audio Subsystem
The board supports Intel HD Audio via the Realtek ALC283 audio codec. The audio
subsystem supports the following features:
• Analog line-out/Analog Headphone/Analog Microphone (back panel jack)
• High Definition Audio via a stereo microphone/headphone jack on the back panel
• Internal stereo speaker header
• DMIC interface (custom solutions header), with support for mono and stereo digital
microphones
• Support for 44.1 kHz/48 kHz/96 kHz/192 kHz sample rates on all analog outputs
• Support for 44.1 kHz/48 kHz/96 kHz sample rates on all analog inputs
• Back Panel Audio Jack Support (see Figure 5 for 3.5 mm audio jack pin out):
 Speakers only
 Headphones only
 Microphone only
 Combo Headphone/Microphone
Pin Number Pin Name Description
1 Tip Left Audio Out
2 Ring Right Audio Out
3 Ring Common/Ground
4 Sleeve Audio In
Figure 5. 4-Pin 3.5 mm (1/8 inch) Audio Jack Pin Out
NOTE
The analog circuit of the back panel audio connector is designed to power headphones
or amplified speakers only. Poor audio quality occurs if passive (nonamplified) speakers
are connected to this output.
1.9.1 Audio Subsystem Software
Audio software and drivers are available from Intel’s World Wide Web site.
For information about
Refer to
Obtaining Audio software and drivers http://downloadcenter.intel.com