CompuLab SBC-FITPC3, Справочное руководство

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CORE System Components
Revised December 2011 SBC-FITPC3
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3.4 Audio Subsystem
The Fit-PC3 audio subsystem is implemented with the Realtek ALC888S-VC2 audio codec. The
ALC888S-VC2 is a high performance 7.1+2 channel high definition audio codec with an independent
S/PDIF output. The codec features ten DAC channels that simultaneously support 7.1 sound playback
and an independent stereo output.
The audio codec is connected to the A55E Controller Hub HDA port.
The ALC888S-VC2 supports the following main features:
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Meets premium audio requirements for Microsoft WLP 3.10
·
Meets stricter performance requirements for future WLP effective from 01 June 2008
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High-performance DACs with 97dB SNR (A-Weighting), ADCs with 90dB SNR (A-
Weighting)
·
Ten DAC channels support 16/20/24-bit PCM format for 7.1 sound playback, plus 2 channels
of independent stereo sound output (multiple streaming) through the front panel output
·
Two stereo ADCs support 16/20/24-bit PCM format recording simultaneously
·
All DACs supports 16/20/24-bit, 44.1k/48k/96k/192kHz sample rate
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All ADCs supports 16/20/24-btt, 44.1k/48k/96k/192kHz sample rate
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SPDIF-OUT converter supports 16/20/24-bit, 44.1k/48k/88.2k/96k/192kHz sample rate
·
SPDIF-IN converter supports 44.1k/48k/96k/192k Hz sample rate
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Wide range (–80dB ~ +42dB) volume control with 1.5dB resolution of analog to analog
mixer gain
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Software selectable boost gain (+10/+20/+30dB) for analog microphone input
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Built-in headphone amplifiers for each re-tasking jack
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Integrates high-pass filter to cancel DC offset generated from digital microphone