Acer ASPIRE 5251, Service Manual

Page: 33 / 210

Chapter 1 23
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