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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)。9 h! G6 N5 L! Q6 c1 n) A3 ?
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。% K4 f7 \5 J! y8 u
查了它的资料,可是看不太懂……
2 |/ j- T3 L8 A! eFeatures 6 a7 R. ~8 p& P" S, @
Hardware Features
3 ^5 w2 }- T5 S3 ^2 r' ^! CMeets performance and function requirements for Microsoft WLP 3.10, and stricter performance requirements for future WLP ( h" z- m& Y8 g4 u- Z! L
Two stereo DAC support 16/20/24-bit PCM for two independent playback (multiple streaming) 2 ]+ ]- m6 R6 f8 r9 m' a
Two stereo ADC supports 16/20/24-bit PCM format for two independent recording
$ L$ _2 B. s: {- V* |8 K+ aAll DACs support independent 44.1k/48k/96k/192kHz sample rate 7 ~) n- _% Y8 `2 m
All ADCs support independent 44.1k/48k/96k/192kHz sample rate 4 `) t& I! @" i5 H6 h
Two independent SPDIF outputs support 16/20/24-bit format and 44.1k/48k/88.2k/96k/192kHz rate 5 T( p2 J D/ h$ L& ]
All analog jack ports except MONO, BEEP-IN and HP-OUT are stereo input and output re-tasking + J3 L/ ]3 i# G. _/ \
Supports line level mono output ; a, }7 Y6 f* N8 R# e: z
Supports analog PCBEEP input, and features an integrated digital BEEP generator 4 O1 a# _! M, f8 Y+ L3 @* f
Support two stereo digital microphone input for microphone array AEC/BF application # @. v+ }- H1 \8 z. _( _
Each stereo digital microphone interface has its own clock output to support independent sample rate 8 j) u2 T- D5 _; `2 d
Supports legacy analog mixer architecture
: N! `. E3 G1 y! MBuilt-in five headphone amplifiers on port-A and port-D, port-E, port-F and port-I. % o* h3 y5 p/ h3 G1 y. \3 A
Headphone amplifier on port-I (HP-OUT) is designed to drive output without external DC blocking capacitors
/ K+ h2 _/ ^( ^4 X$ N, Z* W! ?Software selectable 2.5V and 3.2V reference output for microphone bias
+ z, U( M0 p# \- V, P5 hSoftware selectable boost gain (+10/+20/+30dB) for analog microphone input
$ P% n) ~, N* C4 R3 mTwo jack detection pins; each supports detection of up to 4 jacks
1 J8 L9 x, b y$ ]Supports two GPIO (General Purpose Input/Output) pins (pin sharing with digital microphone interface) 9 P- F6 L6 V+ l# ~# @) c* W |2 _
Supports EAPD (External Amplifier Power Down) control for external amplifier . s3 ~" b/ C& \" g: J( V* \% ^
Supports anti-pop mode when analog power AVDD is on and digital power is off 1 `& G3 C# p; I* @; [
Supports 1.5V~3.3V scalable I/O for HD Audio link 5 u6 i: H0 j, X* [0 b8 M. m
48-pin LQFP ‘Green’ package : _3 y1 b6 w1 ]" z
Jack detection function is supported when device is in power down mode (D3) - H6 r7 p. z" @, N
Independent secondary SPDIF converter and pin to output digital stream to HDMI transmitter : o6 l' O. O& ^0 o. E
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
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Software Features / |% |1 r& ^7 X
Meets Microsoft WLP 3.10 and future WLP audio requirements
- {. y# G" P6 K; D4 l# sWaveRT-based audio function driver for Windows Vista
( r2 d! J n/ E8 i$ k7 EEAX™ 1.0 & 2.0 compatible $ r) P( Y* Z, u) s$ o. R
Direct Sound 3D™ compatible # e/ g. f8 o4 ~+ O. F- w
A3D™ compatible
/ w z8 A j+ S! iI3DL2 compatible
( k- p6 j/ V' G4 s% r c. ?Emulation of 26 sound environments to enhance gaming experience
4 [& W* Y, R8 S1 k2 o0 s" @Multi-band software equalizer and related tools are provided " w* k w" o1 Z4 ~& ~
Voice Cancellation and Key Shifting effect
/ I; }$ |+ M* G; f" ?& JDynamic range control (expander, compressor and limiter) with adjustable parameters : |: O2 G- m/ A2 b( O
Intuitive Configuration Panel (Realtek Audio Manager) to enhance user experience 3 I7 u+ u; ~, K
Provides 10-foot GUI for easy menu navigation on Windows Media Center
: H, [. N9 K5 n JMicrophone Acoustic Echo Cancellation (AEC), Noise Suppression (NS), and Beam Forming (BF) technology for voice application 1 Z5 _6 _2 L6 e: ~% K* G/ u
Smart multiple streaming operation & p) x4 s; ~2 l8 r3 r5 G
HDMI audio driver for AMD platform , G: z" E* P" Q, u( j/ U2 ~7 W% V
Dolby® PCEE program™ (optional software feature) 6 z+ X9 Y1 D# s# T1 {3 r/ F( J
DTS® CONNECT™ (optional software feature) ) K0 X, S: p. Y/ }+ l8 I
SRS® TrueSurround HD (optional software feature) ' e4 ^& Y: E4 I
Fortemedia® SAM™ technology for voice processing (Beam Forming and Acoustic Echo Cancellation) (optional software feature |
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