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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)。2 l0 G8 } a% Q$ J) c( |! S
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。4 _2 p5 O$ n- c" N. V& K
查了它的资料,可是看不太懂……
: m$ n: g( t" gFeatures ' S# }3 a: h7 [4 ?1 Q7 _3 r1 |$ q
Hardware Features . }+ }3 B g2 l9 V
Meets performance and function requirements for Microsoft WLP 3.10, and stricter performance requirements for future WLP
+ q q& D# B ?6 ]Two stereo DAC support 16/20/24-bit PCM for two independent playback (multiple streaming) & Z3 S' Y* @3 s% x
Two stereo ADC supports 16/20/24-bit PCM format for two independent recording
: F' {% ^+ C; b! J: C1 xAll DACs support independent 44.1k/48k/96k/192kHz sample rate 7 K+ |/ l, f8 b) D9 e
All ADCs support independent 44.1k/48k/96k/192kHz sample rate # z, q! d8 m, l) ~9 H- ~+ {
Two independent SPDIF outputs support 16/20/24-bit format and 44.1k/48k/88.2k/96k/192kHz rate & r& T2 z1 |( \6 v3 X6 { I1 Y
All analog jack ports except MONO, BEEP-IN and HP-OUT are stereo input and output re-tasking ; T) }2 b* v6 j g7 I5 }8 F
Supports line level mono output
. U7 G8 y) D6 l0 e! I, nSupports analog PCBEEP input, and features an integrated digital BEEP generator ' n6 H) M/ r6 x' e8 A: m/ U, Z8 B
Support two stereo digital microphone input for microphone array AEC/BF application 0 o* y t' R2 U6 D, f
Each stereo digital microphone interface has its own clock output to support independent sample rate
! t4 q8 o9 ? n( p5 O6 z+ K, K% PSupports legacy analog mixer architecture p4 X! q; b. m" x+ s |% K
Built-in five headphone amplifiers on port-A and port-D, port-E, port-F and port-I. $ r0 D" Z3 B$ A1 d1 i
Headphone amplifier on port-I (HP-OUT) is designed to drive output without external DC blocking capacitors " L- Y4 m9 W1 x
Software selectable 2.5V and 3.2V reference output for microphone bias
$ @. S. o) F/ q* t# F& x7 i' RSoftware selectable boost gain (+10/+20/+30dB) for analog microphone input / E' A/ d2 Z' p8 w8 `9 w9 N) g
Two jack detection pins; each supports detection of up to 4 jacks 4 j- c. @+ |9 ^- [+ Z* M, r3 j
Supports two GPIO (General Purpose Input/Output) pins (pin sharing with digital microphone interface) 9 P) T+ @0 M( F4 _
Supports EAPD (External Amplifier Power Down) control for external amplifier 5 ~' n+ k: q# H! D
Supports anti-pop mode when analog power AVDD is on and digital power is off % v3 Z2 G" b% ~
Supports 1.5V~3.3V scalable I/O for HD Audio link 1 r& R7 E. U' f, o+ N0 o/ L$ G6 D
48-pin LQFP ‘Green’ package
, [) d# E4 _; M6 J* C2 pJack detection function is supported when device is in power down mode (D3) 4 e9 Z: Z3 L) m# j1 p( y# e
Independent secondary SPDIF converter and pin to output digital stream to HDMI transmitter ( p# Q4 T# @7 [3 S+ Q
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 6 N) W6 }5 G2 W9 M
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Software Features ( w6 y& |# O# G
Meets Microsoft WLP 3.10 and future WLP audio requirements $ s" R9 m( A7 |5 ~
WaveRT-based audio function driver for Windows Vista
! Y2 ?. F0 D$ j$ T/ S+ e8 |EAX™ 1.0 & 2.0 compatible 1 Z( D& t, M4 {
Direct Sound 3D™ compatible 4 J) Q% E0 U. e: E O
A3D™ compatible
" X" ~ [- @& L" n0 w9 dI3DL2 compatible ) m8 ~2 R( \# y7 _' q. {
Emulation of 26 sound environments to enhance gaming experience . u1 m! I. p/ C ^6 S$ m
Multi-band software equalizer and related tools are provided
* `" |- g5 x% }; HVoice Cancellation and Key Shifting effect
; x+ ^3 j B! o8 C! @9 ADynamic range control (expander, compressor and limiter) with adjustable parameters
2 |" F1 [. p4 H ^0 b1 r9 BIntuitive Configuration Panel (Realtek Audio Manager) to enhance user experience
5 _+ J' ^/ }% O7 M' F6 JProvides 10-foot GUI for easy menu navigation on Windows Media Center 6 f" s% T4 y/ y5 o# f
Microphone Acoustic Echo Cancellation (AEC), Noise Suppression (NS), and Beam Forming (BF) technology for voice application 4 @2 Z- [ Q+ m; p4 Y. q; S x
Smart multiple streaming operation
4 `. |* U$ E$ W, ^HDMI audio driver for AMD platform
4 A& G- r0 r w4 KDolby® PCEE program™ (optional software feature)
7 [+ s& P" C: b/ ]( ?8 S: aDTS® CONNECT™ (optional software feature) $ t6 v* {6 L4 W+ G
SRS® TrueSurround HD (optional software feature)
r2 T3 X: O; i, p4 ^. |% EFortemedia® SAM™ technology for voice processing (Beam Forming and Acoustic Echo Cancellation) (optional software feature |
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