Intel DH77EB Technical Product Specification - Page 28

Audio Subsystem - chipset driver

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Intel Desktop Board DH77EB Technical Product Specification 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-toDigital 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 16/20/24-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 8 lists the supported functions of the front panel and back panel audio jacks. Table 8. Audio Jack Support Audio Jack Microphone Headphones FP Green Default FP Pink Default Rear Blue Rear Green Ctrl panel Rear Pink Rear Black Rear Orange Front Speaker Default Line In Default Rear Center/ Surround Sub Default Default Side Surround 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 16 1.8.2 Audio Subsystem Components The audio subsystem includes the following components: • Intel H77 Express Chipset • Realtek ALC892 audio codec • Front panel audio header that supports Intel HD audio and AC '97 audio (a 2 x 5- pin header that provides mic in and line out signals for front panel audio connectors) (yellow) • S/PDIF digital audio out header (1 x 4-pin header) (yellow) 28

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Intel Desktop Board DH77EB Technical Product Specification
28
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 16/20/24-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 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
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
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
1.8.2
Audio Subsystem Components
The audio subsystem includes the following components:
•
Intel H77 Express Chipset
•
Realtek ALC892 audio codec
•
Front panel audio header that supports Intel HD audio and AC ’97 audio (a 2 x 5-
pin header that provides mic in and line out signals for front panel audio
connectors) (yellow)
•
S/PDIF digital audio out header (1 x 4-pin header) (yellow)