标题: 螃蟹ALC272素质在什么水平 [打印本页] 作者: 方圆九州 时间: 2010-5-17 16:09 标题: 螃蟹ALC272素质在什么水平 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）。 ; x' C c; @) R/ ~( h# i4 K0 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。 - O$ \ s. i$ d) S5 a; U查了它的资料，可是看不太懂……, _: O$ H) v7 Q$ L" }& u
Features * P" V2 Y, E7 r! N- {6 B# q1 j5 E
Hardware Features 6 O" j* B! N6 [% h/ b
Meets performance and function requirements for Microsoft WLP 3.10, and stricter performance requirements for future WLP + L$ N' } o8 z6 w4 a9 w
Two stereo DAC support 16/20/24-bit PCM for two independent playback (multiple streaming) . X: q& q* A0 A# b$ X0 V5 m8 ^9 S
Two stereo ADC supports 16/20/24-bit PCM format for two independent recording 5 j7 _2 ~9 j6 HAll DACs support independent 44.1k/48k/96k/192kHz sample rate & \5 m9 U6 W, A/ c6 LAll ADCs support independent 44.1k/48k/96k/192kHz sample rate 1 N. _8 d0 |4 r! W% z1 G4 y: h- [
Two independent SPDIF outputs support 16/20/24-bit format and 44.1k/48k/88.2k/96k/192kHz rate 2 f: d+ [ ^8 v: i3 eAll analog jack ports except MONO, BEEP-IN and HP-OUT are stereo input and output re-tasking + z( m0 l4 p, H4 D6 v
Supports line level mono output # M1 h; b- B& ZSupports analog PCBEEP input, and features an integrated digital BEEP generator & [0 z2 n5 O! ]) u, T2 O4 S, _& xSupport two stereo digital microphone input for microphone array AEC/BF application % H: ^# w. ^/ c' O$ lEach stereo digital microphone interface has its own clock output to support independent sample rate 5 g$ ^1 ?7 |( j) V8 q5 ISupports legacy analog mixer architecture ) f' u9 D; |2 k4 K1 o0 q* B
Built-in five headphone amplifiers on port-A and port-D, port-E, port-F and port-I. # \6 |( F2 j( _) a
Headphone amplifier on port-I (HP-OUT) is designed to drive output without external DC blocking capacitors + H7 E* v1 G5 M& K: D
Software selectable 2.5V and 3.2V reference output for microphone bias 9 s3 Q0 q( n) z+ J I. a6 V3 K& M, A7 HSoftware selectable boost gain (+10/+20/+30dB) for analog microphone input 3 _# n' j h+ h" cTwo jack detection pins; each supports detection of up to 4 jacks & O* c- i' |* Z4 M# D% MSupports two GPIO (General Purpose Input/Output) pins (pin sharing with digital microphone interface) 0 z& i0 {! h0 N! _, X2 |Supports EAPD (External Amplifier Power Down) control for external amplifier 2 {' Q- t! `) iSupports anti-pop mode when analog power AVDD is on and digital power is off 5 m' L( x' n, Q& [( b, C7 u
Supports 1.5V~3.3V scalable I/O for HD Audio link 0 T t O- Y; _9 I9 q
48-pin LQFP ‘Green’ package * O$ d7 S' u0 P; B2 Z+ z
Jack detection function is supported when device is in power down mode (D3) , @1 M: b" x( T7 c: n
Independent secondary SPDIF converter and pin to output digital stream to HDMI transmitter , ^# o4 Y, T4 z" t2 |0 SIntel 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 + C, e' g$ U: E) D7 k6 c& c# W
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Software Features # E9 d, j9 X: s9 b
Meets Microsoft WLP 3.10 and future WLP audio requirements 5 Z% T: w G. B M% `+ }! I4 s
WaveRT-based audio function driver for Windows Vista $ y6 O, a8 T* P6 s1 Q! O4 X% _EAX™ 1.0 & 2.0 compatible ; j# }! K M/ v" g7 O3 Q. O: ADirect Sound 3D™ compatible 9 a& b4 V N. Y) l8 lA3D™ compatible 3 P6 T% J5 \2 j0 w; e: K. F
I3DL2 compatible 7 v. i2 x; u- W. ^2 i
Emulation of 26 sound environments to enhance gaming experience ; f3 P( b6 q1 ]4 T4 n- P2 YMulti-band software equalizer and related tools are provided * |- q% u4 [: Q1 YVoice Cancellation and Key Shifting effect # Y% A3 _% w3 HDynamic range control (expander, compressor and limiter) with adjustable parameters ( W$ T9 F+ L& D: U6 q6 K
Intuitive Configuration Panel (Realtek Audio Manager) to enhance user experience ) v$ z% G, X$ P5 n. E; z `6 f, NProvides 10-foot GUI for easy menu navigation on Windows Media Center ' P- M; ?2 l) q2 ~+ Z `% ?2 `Microphone Acoustic Echo Cancellation (AEC), Noise Suppression (NS), and Beam Forming (BF) technology for voice application ( b( ^/ f' q+ N
Smart multiple streaming operation $ v Y& ^' Q$ n- f, Z( ?6 I3 ~6 |HDMI audio driver for AMD platform & z- v2 V) ~& B' QDolby® PCEE program™ (optional software feature) 2 `! e) A) G5 ~8 x6 H8 \, G' [* Z
DTS® CONNECT™ (optional software feature) $ x' A5 s# Q, ^2 Y& e! O9 [SRS® TrueSurround HD (optional software feature) 8 I" Z6 [: h' m* ~3 |
Fortemedia® SAM™ technology for voice processing (Beam Forming and Acoustic Echo Cancellation) (optional software feature作者: 酷风 时间: 2010-5-18 00:11
板载的东西，尤其是笔记本的板载，期望不要太高7 {+ _4 T9 c$ z' j
关键是你的要求有多高