Acer Aspire 4752G Aspire 4352, 4752, 4752G, 4752Z Service Guide - Page 43

Audio Codec Controller Features Item Audio Interface Item Controller Audio onboard Audio channel Resolution Compatibility Sampling rate Internal microphone Internal speaker/quantity Webcam Item Vendor and models Resolution Specification Conexant CX-20584  98 dB Signal-to-Noise Ratio (A-weighting) for DAC output  90 dB Signal-to-Noise Ratio (A-weighting) for ADC input  Internal Digital Power support: 3.3 V digital core power; 1.5-3.3 V digital IO power for HDA link; 3.0-5.0 V analog power; 3.0-5.0 V power stage voltage  Acoustic Echo Cancellation (AEC), Noise Suppression (NS), and Beam Forming (BF) technologies for voice application  48-pin green QFN package Specification Conexant CX-20584 Yes Stereo 18 bit stereo full duplex High Definition Audio Specification 1 Hz resolution VSR (Variable Sampling Rate) Yes Yes, two speakers Specification  Chicony CH_6A1(CSP)_SN234 or CH_HY161_AU  Lite-On LT_2659_AU  Suyin SY_6A1(CSP)_SP or SY_HN161_AU 1.3 MP HD Hardware Specifications and Configurations 1-33