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看了一些特性..
8 D2 A% D0 L) F" Z3 t' a; _1 c; l關鍵應該是在VIA的VT1618(任憑Envy24有些功能是做不到..)...- V, Q8 \% T1 s
看看一些特性7 s1 u' N# m: ?4 U; m
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[VT1616]
4 b& k, r, V; R: S$ W9 tSound Quality" ?( h Q: @& c# _1 W
» 18-bit, 6 channel DAC outputs
# W4 z! g/ z4 ^; A. p- n: [- _' t» 18-bit independent rate stereo ADC
' J! k8 _! _5 n" g4 F F» 1 Hz resolution VSR (Variable Sampling Rate) on all channels% T' N# ^$ l; n0 W- ^/ J$ x
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Input/Output
) v1 q3 M4 h6 C9 _» 4 stereo, 2 mono analog line-level inputs- x# W" {9 }( U+ I0 C
» Integrated IEC958 line driver for S/PDIF
3 I9 v" `: C1 K" Q2 K Q# Q- l+ N» S/PDIF compressed digital or LPCM audio out7 [. E+ n d/ {$ [# t" A) q& t/ k
» Hardware downmix option to 2 channels
7 G2 _- R0 L! T" ?( k" P! I» Second line-level output with volume control
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9 b$ a/ R* H$ Q6 t1 mArchitecture# f* J1 z2 r8 X6 i/ K* F- x
» AC'97 2.2 S/PDIF extension compliant Codec" _$ f7 q3 a+ m9 J$ |
7 q d P1 P7 H: T" X, aOther Features
1 H& r$ h, ]$ U, H6 Y. U» 3D stereo expansion for simulated surround$ L4 o; n0 z1 \1 |
» Exceeds Microsoft® WHQL logo requirements: D; `8 U4 }) m# | m' {
» External Audio Amplifier Control4 U" { g7 {9 a$ a: Z/ [( @/ R- G4 |
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: ]- N1 S; b. I) y q[VT1618]
& ~6 n4 G$ V& [Key Features
' e; l ^' V2 A# d6 HLeading Audio Quality
' s& K% }# f" t/ g; L» Supports sampling rates up to 96KHz( ]( q. Z6 q4 a$ T" H I: M& y& @+ e
» Independent 20-bit ADC and 20-bit DAC
8 \1 M( `+ `# {1 \9 U% @5 I& @» SNR (Signal to Noise Ratio) exceeds 95dB
: N3 V& d4 v3 a» Built-in 1HZ resolution VSR converter
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Input/Output1 L; u& B' ?( X& P, T2 w2 \: J
» Supports 7.1ch outputs
7 X: I; Z! D* e: |» Hardware down-mixes 6-channel to 2-channel or 4-channel! U1 w6 c- Q' L
» Center and LFE channel swapping
) i/ e t$ A) K% [0 ?* L5 m1 r* c» Alternative Line-Level outputs at surround outputs
/ Q# S- w5 b/ ]+ m4 r6 F" G» 96KHz S/PDIF output6 ? b; d5 T; L5 r) u* \3 y
» Direct CD input to S/PDIF output
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' A4 G- T! n( lArchitecture/ Y3 {) a; v8 {, }
» Flexible Jack-detect design
% i; f* V" Z* _6 `; ~6 I» Built-in accurate PLL for saving an external crystal- X& n" h+ W/ D% @) b
» Fully compliant with AC’97 Revision 2.3
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Easy System Integration
9 B- g5 @4 S3 ?& G8 N» 4-bit 3D depth control
: s3 {) N! E) O. v0 X2 |6 {» Supports EAPD control& D2 A/ G) ?4 ~" H9 j) m* ?. T z; M
» Supports GPIO pins control8 e& [4 G+ B" ~% I" z7 z6 g
» Selectable clock sources/ F) B) y3 m) u1 _2 Q, ]
* Z1 f |+ M# M# Q z6 b; p% nOther Features) L9 b* p8 N5 b! I% _0 X3 R4 Z. a) a
» Integrates headphone amplifier with mute
9 S0 g- P* q$ H; W7 d/ u» Stereo recording; S" M% ~3 X6 g4 k1 _/ Z8 z2 _
» Dual microphones supporting Karaoke with mixing
1 l, ?8 z3 f2 n" T8 V---------------------------------------------------------------------------------------" ~9 j8 c+ } F- w2 f
VT1618多了一些功能..; {; N, L4 u8 i
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[ 本帖最后由 per1-q1222 于 2008-8-13 19:16 编辑 ] |
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