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是联想笔记本采用的(芯片型号是问客服查的),自带光纤输出(和耳机共用一孔)。7 n2 H$ I( V/ l4 g1 N+ p" x
想知道这芯片的素质如何,常见的都是889A,888S什么的,没听说过ALC272。如果还凑合,我想尝试用它直接接个解码试试。8 e% l1 _( |6 c* w
查了它的资料,可是看不太懂……
& U9 G0 J- ^4 B7 m gFeatures
. [. y; q4 n3 `Hardware Features
8 L8 K/ h' p7 Q' V) tMeets performance and function requirements for Microsoft WLP 3.10, and stricter performance requirements for future WLP
9 N2 I, J; l- [1 L! v1 ITwo stereo DAC support 16/20/24-bit PCM for two independent playback (multiple streaming)
$ x+ J. u' }! B6 M% k6 s) HTwo stereo ADC supports 16/20/24-bit PCM format for two independent recording 6 E: d: u3 L4 q2 D* B/ ~: v
All DACs support independent 44.1k/48k/96k/192kHz sample rate , Q$ T" E! `( u; P9 X
All ADCs support independent 44.1k/48k/96k/192kHz sample rate , |! J8 N% @0 B, ~4 k
Two independent SPDIF outputs support 16/20/24-bit format and 44.1k/48k/88.2k/96k/192kHz rate
+ l4 N' u. ?5 s3 P, ~+ @4 PAll analog jack ports except MONO, BEEP-IN and HP-OUT are stereo input and output re-tasking 8 N2 l7 G" ?* v7 g5 m$ y
Supports line level mono output
! f; h( |9 Z1 T& b2 y" ]Supports analog PCBEEP input, and features an integrated digital BEEP generator . q" h" W4 C* {* ^
Support two stereo digital microphone input for microphone array AEC/BF application ) Q. q& A$ {0 z
Each stereo digital microphone interface has its own clock output to support independent sample rate 0 A* B' _0 h: f, e3 j! U8 K
Supports legacy analog mixer architecture
$ U; F, J% N1 v9 aBuilt-in five headphone amplifiers on port-A and port-D, port-E, port-F and port-I. 0 Q, k, G0 u" M( K2 L/ L
Headphone amplifier on port-I (HP-OUT) is designed to drive output without external DC blocking capacitors
; f2 T7 e4 e2 m9 }0 @2 Z, A" xSoftware selectable 2.5V and 3.2V reference output for microphone bias , A0 r2 U9 w+ B2 {" Q3 P3 S) [
Software selectable boost gain (+10/+20/+30dB) for analog microphone input # G( s# y5 s( G7 _7 q/ e; X
Two jack detection pins; each supports detection of up to 4 jacks
v( E, A* O u, zSupports two GPIO (General Purpose Input/Output) pins (pin sharing with digital microphone interface)
! I( n8 l3 x2 @& {4 CSupports EAPD (External Amplifier Power Down) control for external amplifier
+ w' Z3 P J# W. G; `Supports anti-pop mode when analog power AVDD is on and digital power is off * | H4 m* z/ _ Q. Y' b
Supports 1.5V~3.3V scalable I/O for HD Audio link
% `- ?4 ^, x' ^& x( G h48-pin LQFP ‘Green’ package " q, F5 S* Y, W1 Y/ O0 A( O
Jack detection function is supported when device is in power down mode (D3) - \* Z K3 F+ B3 t% G' ?8 N
Independent secondary SPDIF converter and pin to output digital stream to HDMI transmitter / Y* I' E9 e: F _: f8 i
Intel low power ECR compliant, supports power status control for each analog converter and pin widgets, supports jack detection and wake up event in D3 mode & ?; T1 }8 z9 O! J8 m
! U+ w' g: a$ G: g8 PSoftware Features
8 r) `5 j5 r- i: k! qMeets Microsoft WLP 3.10 and future WLP audio requirements
. S) X% i6 A4 b/ A5 J0 [2 c( IWaveRT-based audio function driver for Windows Vista ) Z1 [ V2 N- ^( X' X
EAX™ 1.0 & 2.0 compatible 3 Y5 l7 u# W% a2 ]3 R# K: M s
Direct Sound 3D™ compatible
z. H: F" P& ?A3D™ compatible
4 K2 I7 c* f* J2 u% I, kI3DL2 compatible
1 L2 l) r* n4 u& X" D4 I; [ wEmulation of 26 sound environments to enhance gaming experience
a5 {* N) [, Y$ @; q% yMulti-band software equalizer and related tools are provided " P' ~" Z" W. [5 C* b% R, n
Voice Cancellation and Key Shifting effect ) |( t. ?5 Y1 x0 W
Dynamic range control (expander, compressor and limiter) with adjustable parameters
2 m1 O$ p. k3 H( R* WIntuitive Configuration Panel (Realtek Audio Manager) to enhance user experience ' y7 l- i" S1 w k! S: o+ Y9 |
Provides 10-foot GUI for easy menu navigation on Windows Media Center 7 Y8 C" x% l4 {3 D; N3 d& i- t
Microphone Acoustic Echo Cancellation (AEC), Noise Suppression (NS), and Beam Forming (BF) technology for voice application
b/ d6 Y5 S$ K& `8 _ m$ Z E8 X7 bSmart multiple streaming operation $ l& l n( D5 }' A, S) W5 p" p
HDMI audio driver for AMD platform 5 K3 ^8 ~7 n) L, s2 i! y
Dolby® PCEE program™ (optional software feature) 9 t2 c g6 B8 \" Q
DTS® CONNECT™ (optional software feature) 9 Q0 j/ L) n8 i
SRS® TrueSurround HD (optional software feature)
/ A: s$ K& e. {: I. W; p3 Y. ?Fortemedia® SAM™ technology for voice processing (Beam Forming and Acoustic Echo Cancellation) (optional software feature |
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