Intel Desktop Board DZ77RE-75K Technical Product Specification
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1.8 Audio Subsystem
The board supports Intel HD Audio through the Realtek ALC898 audio codec as well as
the HDMI interface. 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 110 dB SNR (A-weighting) and Analog-to-
Digital Converters (ADC) with 104 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.
• Three stereo ADCs support 16/20/24-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 certification.
Table 5 lists the supported functions of the front panel and back panel audio jacks.
Table 5. Audio Jack Support
Audio Jack
phone
phones
Speaker
Line In
Surround
Sub
Surround
FP Green Default
FP Pink Default
Rear Blue Default
Rear Green Ctrl panel Default
Rear Pink Default
Rear Black Default
Rear Orange Default
1.8.1 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 Section 1.2, page 17
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