Acer Aspire 4349, Service Manual, Page: 50 / 223

1-40 Hardware Specifications and Configurations
Audio Codec and Amplifier (Continued)
Audio Interface
Item Specification
Features Software:

Compatible with Windows Logo Program 3.10 and future
requirements

WaveRT-based audio function driver for Windows Vista

EAX™ 1.0 & 2.0, Direct Sound 3D, and I3DL2 compatible

HRTF 3D Positional Audio (Windows XP only)

Emulation of 26 sound environments to enhance gaming experience

Multi-band software equalizer and tools

Voice Cancellation and Key Shifting in Karaoke mode

Dynamic range control (expander, compressor, and limiter) with
adjustable parameters

Intuitive Configuration Panel (Realtek Audio Manager) to enhance
user experience

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

Dolby ® PCEE program™ (optional software feature)

Fortemedia ® SAM™ technology for voice processing (Beam
Forming and Acoustic Echo Cancellation) (optional software feature)
Amplifier Stereo Class-D Speaker Amplifier with 2 watt per channel output
power
Item Specification
Audio Controller Realtek ALC271X-VB3-GR
Audio onboard or optional On board
Mono or Stereo Mono output, Stereo input
Resolution Support 16/20/24bit PCM
Compatibility HD audio Interface
Sampling rate Sample rate up to 192Khz resolution VSR (Variable
Sampling Rate)
Internal microphone Yes
Internal speaker/quantity Yes/2 channel speakers with 2W per channel outputx1