![](/images/new-backgrounds/1203042/20304269x1.webp)
Audio Interface
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Audio | Realtek ALC272 Azalia Codec and Amplifier G1454 | ||||
Controller |
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• Features | • | HD Audio | |||
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| • SNR > | |||
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| 85dB SNR | ||
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| • | Internal Digital Microphone | ||
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| • Two speakers, max. 1W output for each | |||
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| • Meets performance and function requirements for Microsoft WLP 3.10, and stricter | |||
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| performance | ||
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| • requirements for future WLP | |||
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| • Two stereo DAC support | |||
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| streaming) | ||
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| • Two stereo ADC supports | |||
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| • All DACs support independent 44.1k/48k/96k/192kHz sample rate | |||
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| • All ADCs support independent 44.1k/48k/96k/192kHz sample rate | |||
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| • Two independent SPDIF outputs support | |||
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| 96k/192kHz rate | ||
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| • All analog jack ports except MONO, | |||
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| output | ||
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| • Supports line level mono output | |||
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| • Supports analog PCBEEP input, and features an integrated digital BEEP | |||
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| generator | ||
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| • Support two stereo digital microphone input for microphone array AEC/BF | |||
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| application | ||
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| • Each stereo digital microphone interface has its own clock output to support | |||
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| independent sample rate | ||
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| • Supports legacy analog mixer architecture | |||
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| • Headphone amplifier on | |||
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| external DC blocking | ||
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| • | capacitors | ||
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| • Software selectable 2.5V and 3.2V reference output for microphone bias | |||
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| • Software selectable boost gain (+10/+20/+30dB) for analog microphone input | |||
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| • Two jack detection pins; each supports detection of up to 4 jacks | |||
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| • Supports two GPIO (General Purpose Input/Output) pins (pin sharing with digital | |||
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| microphone | ||
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| • | interface) | ||
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| • Supports EAPD (External Amplifier Power Down) control for external amplifier | |||
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| • Supports | |||
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| • Supports 1.5V~3.3V scalable I/O for HD Audio link | |||
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LCD |
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| Item |
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| Vendor/model name |
| CMO |
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| AUO B173RW01 |
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| Samsung |
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| LPL |
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Chapter 1 | 25 |