Acer 5251, 5551G manual Audio Interface Specification

Audio Interface

Item	Specification
Chipset	Realtek ALC272-X
Features	• Meets performance and function requirements for Microsoft WLP 3.10,
	and stricter performance requirements for future WLP.
	• Two stereo DAC supports 16/20/24-bit PCM for two independent
	playbacks (multiple streaming).
	• Two stereo ADC supports 16/20/24-bit PCM format for two independent
	recording.
	• All DACs support independent 44.1k/48k/96k/192kHz sample rate.
	• All ADCs support independent 44.1k/48k/96k/192kHz sample rate.
	• Two independent SPDIF outputs support 16/20/24-bit format and 44.1k/
	48k/88.2k/96k/192kHz rate.
	• All analog jack ports except MONO, BEEP-IN and HP-OUT are stereo
	input and output retaking.
	• Supports line level mono output
	• Supports analog PCBEEP input, and features an integrated digital
	BEEP generator
	• Headphone amplifier on port-I (HP-OUT) is designed to drive output
	without external DC blocking capacitors
	• Supports EAPD (External Amplifier Power Down) control for external
	amplifier
	• 48-pin LQFP 'Green' package
	• WaveRT-based audio function driver for Windows Vista
	• EAX™ 1.0 & 2.0 compatible
	• Direct Sound 3D™ compatible
	• Emulation of 26sound environments to enhance gaming experience
	• Multi-band software equalizer and related tools are provided
	• Voice Cancellation and Key Shifting effect
	• Dynamic range control (expander, compressor and limiter) with
	adjustable parameters
	• Intuitive Configuration Panel (Realtek Audio Manager) to enhance user
	experience
	• Provides 10-foot GUI for easy menu navigation on Windows Media
	Center
	• Microphone Acoustic Echo Cancellation (AEC), Noise Suppression
	(NS), and Beam Forming(BF)technology for voice application
	• Smart multiple streaming operation
	• HDMI audio driver for AMD platform
	• Acer exclusive software features

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