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Intel Desktop Board DQ87PG Technical Product Specification

1.8 Audio Subsystem

The board supports Intel HD Audio via the Realtek ALC662 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 5.1 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-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 and Windows 8 Pro certification.

Table 6 lists the supported functions of the front panel and back panel audio jacks.

Table 6. Audio Jack Support

Audio Jack

Micro-

phone

Head-

phones

Line-Out

(Front

Speakers)

Line-In

(Surround)

Mic-In

(Center/Sub)

Front panel - Green Default

Front panel - Pink Default

Back panel - Blue Default

(ctrl panel)

Back panel - Green (ctrl panel) Default

(ctrl panel)

Back panel - Pink Default

(ctrl panel)

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

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