Intel DQ77KB Technical Product Specification - Page 31

Audio Subsystem - drivers

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Product Description 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 Front panel - Green Front panel - Pink Back panel - Green Back panel - Pink Internal Stereo Speaker Headphones Default (ctrl panel) Microphone Default Line Out (jack-detect) Default Line In 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 Obtaining audio software and drivers Refer to Section 1.2, page 19 31

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Product Description
31
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