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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)。+ y3 h/ w0 K: }; w; v; V
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。
' ?- f a7 M! a* v9 V查了它的资料,可是看不太懂……" p: Z2 y9 U/ c9 N5 i% { z
Features
2 L# j, d% J. w2 V) c6 _9 H% lHardware Features
1 t3 U2 U- `9 e8 Y: z' kMeets performance and function requirements for Microsoft WLP 3.10, and stricter performance requirements for future WLP ; ?2 W6 n9 ^8 y. j
Two stereo DAC support 16/20/24-bit PCM for two independent playback (multiple streaming) ! H6 O/ v( t8 k1 }( i m
Two stereo ADC supports 16/20/24-bit PCM format for two independent recording
" m1 e) G2 z' IAll DACs support independent 44.1k/48k/96k/192kHz sample rate
5 [$ H6 @: F1 y% X6 P/ _6 tAll ADCs support independent 44.1k/48k/96k/192kHz sample rate
( T* J7 h6 x6 g3 N# ^Two independent SPDIF outputs support 16/20/24-bit format and 44.1k/48k/88.2k/96k/192kHz rate $ y: Y- h9 X9 c
All analog jack ports except MONO, BEEP-IN and HP-OUT are stereo input and output re-tasking
4 i) K# ], h9 _3 ?9 {$ MSupports line level mono output , _, s3 `- @& O- g# x* X
Supports analog PCBEEP input, and features an integrated digital BEEP generator
/ d4 {2 {% C# y! O! d: oSupport two stereo digital microphone input for microphone array AEC/BF application - v: W" _1 I( Z8 r. l
Each stereo digital microphone interface has its own clock output to support independent sample rate 5 k8 O! Z( ~! ~/ f4 i
Supports legacy analog mixer architecture ( V% ?9 A- y! H$ \" |, p- m
Built-in five headphone amplifiers on port-A and port-D, port-E, port-F and port-I. 1 f8 d1 \( c6 K; v, Z
Headphone amplifier on port-I (HP-OUT) is designed to drive output without external DC blocking capacitors
$ R# Z0 Z5 N5 MSoftware selectable 2.5V and 3.2V reference output for microphone bias
: Z! M6 a& }0 ^/ {9 rSoftware selectable boost gain (+10/+20/+30dB) for analog microphone input # S# b) W4 L' o; S; P0 U1 o2 e
Two jack detection pins; each supports detection of up to 4 jacks
5 E! l! J) K- {0 I1 j1 o) ISupports two GPIO (General Purpose Input/Output) pins (pin sharing with digital microphone interface)
2 a( i- \+ }' ?! BSupports EAPD (External Amplifier Power Down) control for external amplifier
7 i' m/ Q7 U& z x2 bSupports anti-pop mode when analog power AVDD is on and digital power is off
& V5 |; h+ A3 x$ F2 dSupports 1.5V~3.3V scalable I/O for HD Audio link
8 {$ ]9 L9 H4 ?/ L48-pin LQFP ‘Green’ package
3 Q! j0 U+ `* [" v% [- {0 y# F5 d" ~% ?Jack detection function is supported when device is in power down mode (D3) 3 W& ~. B- L! h' Q7 F
Independent secondary SPDIF converter and pin to output digital stream to HDMI transmitter 0 x" B) U5 s/ R; r
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 ( @! w c" {1 Y8 s$ {
( e, a A, r# k$ ^ ySoftware Features , c P/ p$ _& ~% T6 d" f' W# V
Meets Microsoft WLP 3.10 and future WLP audio requirements 7 S$ \" w8 r, M, t' @ j c& d2 L c' Z
WaveRT-based audio function driver for Windows Vista
2 r, O$ M' n5 q+ ?6 Z4 rEAX™ 1.0 & 2.0 compatible 0 u+ H0 P/ C* c/ v7 K
Direct Sound 3D™ compatible ; }9 \8 c+ H4 E5 F9 E5 W! x4 P
A3D™ compatible
( ?3 t6 e; K0 d* X* rI3DL2 compatible * j2 E, l" Z0 G% `& }. ?& K! _, M
Emulation of 26 sound environments to enhance gaming experience
$ [3 F* @ r* `% n/ WMulti-band software equalizer and related tools are provided
# x8 b2 s# G* G! A0 x/ j/ ZVoice Cancellation and Key Shifting effect % v3 S U( r7 z' G5 w ?
Dynamic range control (expander, compressor and limiter) with adjustable parameters & Y! b0 l" j9 |3 D. J V
Intuitive Configuration Panel (Realtek Audio Manager) to enhance user experience * L0 V& e0 [$ k m+ k+ c/ \0 i$ `3 G5 P n
Provides 10-foot GUI for easy menu navigation on Windows Media Center & Z! {- S4 c' ]& K6 F- E
Microphone Acoustic Echo Cancellation (AEC), Noise Suppression (NS), and Beam Forming (BF) technology for voice application 2 t4 K% J! r5 J0 m* h# Q
Smart multiple streaming operation ; \* B4 x( o4 v; N
HDMI audio driver for AMD platform 3 P# l) j+ O2 \9 o6 C
Dolby® PCEE program™ (optional software feature)
$ F: e R) k$ } u. V+ {DTS® CONNECT™ (optional software feature)
* x! o2 O2 O4 ?% v/ P2 _; c0 pSRS® TrueSurround HD (optional software feature)
, k4 v" C' x' i/ a, SFortemedia® SAM™ technology for voice processing (Beam Forming and Acoustic Echo Cancellation) (optional software feature |
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