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看了一些特性..! ?) U7 R' P$ q0 Y$ Q
關鍵應該是在VIA的VT1618(任憑Envy24有些功能是做不到..)...
) D0 N( Q0 l2 Y) x看看一些特性1 K# g. C) p! W2 V% X% ^2 ]! V
) J) Y2 x" l! o y[VT1616]
! K) Q( v) r# \ VSound Quality
8 ^. L: m9 C. l» 18-bit, 6 channel DAC outputs
3 \& X+ M; [$ j/ a» 18-bit independent rate stereo ADC
5 N/ {: W% G& m» 1 Hz resolution VSR (Variable Sampling Rate) on all channels
6 R% Q/ r* c6 }. I( b0 `. w/ K( S7 R" V+ h8 r9 V% |6 i/ U ~9 B
Input/Output
' m) g6 y/ `: j. @$ p' R» 4 stereo, 2 mono analog line-level inputs2 i4 N8 F! ^8 Q+ w) X
» Integrated IEC958 line driver for S/PDIF
( y Q' b, L P0 w* J0 ~/ c C& L» S/PDIF compressed digital or LPCM audio out
$ T' S; G- A8 f. u» Hardware downmix option to 2 channels
4 c1 @) _( |1 t» Second line-level output with volume control
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Architecture+ p* q9 L0 Y6 n$ B+ p" o3 P
» AC'97 2.2 S/PDIF extension compliant Codec) B( r: g6 S6 O8 j
) F# V- J: n3 g2 ]Other Features
% N3 V+ n+ P, e6 b" Y! Y» 3D stereo expansion for simulated surround. |( K( v/ B2 Y; o3 f3 _% Q) r9 m
» Exceeds Microsoft® WHQL logo requirements- l. a$ T$ F5 t. b- u: M' W
» External Audio Amplifier Control, X- r! T; v* ~$ Y
===================================================
- |: F1 h+ B+ J9 d2 u R[VT1618]
* v9 B* G8 x5 n+ D/ r. Y- V" }# zKey Features
4 l0 q$ [% t6 s' r* D. DLeading Audio Quality/ I u0 ?. Q$ R
» Supports sampling rates up to 96KHz. T' A% D0 b0 g; N$ \* T5 m# ^. _
» Independent 20-bit ADC and 20-bit DAC
! F* z' _% s% I3 r' o- ~» SNR (Signal to Noise Ratio) exceeds 95dB
6 G2 U# A& q8 I2 q» Built-in 1HZ resolution VSR converter 1 t: D7 o' d5 ~7 T$ _1 M3 d$ E
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Input/Output
) g1 j9 m: \7 [# S% c» Supports 7.1ch outputs
; \- M- i& B7 ?( g2 H( o» Hardware down-mixes 6-channel to 2-channel or 4-channel
: {) o( X+ f4 E6 v4 l4 ?3 j» Center and LFE channel swapping
5 g& `7 q1 c, ^$ P& y. _5 J, H» Alternative Line-Level outputs at surround outputs
; v4 _. W1 @0 T) m& o2 m» 96KHz S/PDIF output, o( K$ ?7 k7 L% _# s5 H) ]
» Direct CD input to S/PDIF output5 Q9 g& W; R% x6 K" @ M& z: P; ^
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Architecture3 R; G5 ?3 p% T$ N. U
» Flexible Jack-detect design4 Y5 S, k& p/ g7 N. D4 @
» Built-in accurate PLL for saving an external crystal! f8 }1 V6 ^9 W5 N* `7 {6 O H
» Fully compliant with AC’97 Revision 2.3 Q* i; b1 I6 W0 c V' W
, x% v, f. p' |3 X: \Easy System Integration* O8 u( X" n% b: M8 [5 f, F
» 4-bit 3D depth control+ W. H! [, ~. i/ ~! j
» Supports EAPD control! J: i k/ E7 v( h3 b
» Supports GPIO pins control1 ~/ I( J0 j8 m$ a5 X0 U
» Selectable clock sources
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Other Features
4 c( C; u" X% _* v2 @: f' ?0 n» Integrates headphone amplifier with mute
6 Z, i4 d( Y: v0 Y! j1 e6 Z9 G) ~» Stereo recording
/ P" `0 _, W/ G' |8 [» Dual microphones supporting Karaoke with mixing * u% }, t2 u$ \. H, S+ L: T; \
---------------------------------------------------------------------------------------; ~6 H3 {* w* Z5 z7 k3 H) X4 D: S
VT1618多了一些功能../ i0 d# O" ]4 u% s& S8 u
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[ 本帖最后由 per1-q1222 于 2008-8-13 19:16 编辑 ] |
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