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本帖最后由 fox541 于 2009-5-10 00:20 编辑
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( C- R3 R) X0 a8 M! E看不出来有何高明之处，还请楼下的兄弟指点 ) W, A1 b* l: _ M# W
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The VX222v2 can be used with a wide choice of audio applications using
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* Microsoft's Wave and DirectSound
- I) A& ]- R6 c& e* z9 z! z * Apple's CoreAudio \& Y% K9 h0 Z4 {' s7 z
* Steinberg's ASIO" f# _+ L- |& v! ?
* Linux ALSA! d# l& I3 f7 T. l: q. q. M
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Features
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* Full-duplex
4 ?, s/ C6 E1 Z * 2 balanced analog inputs/outputs, supporting +4dBu and -10dBV
7 f. _8 }5 v g * Balanced digital stereo input/output in AES/EBU or S/PDIF formats
8 s; g1 F& i' Y4 q- L1 _" A g * Dedicated Wave mixer, as well as ASIO and Mac control panel, F3 g, U* k9 Y/ C0 p8 d
* Sample rate: 8 kHz to 48 kHz
& z; s; X, b P * PCM resolution: 8,16 or 24 bit
a( O5 f+ C! ^9 ]1 {8 ^ * Universal PCI compatibility (3.3V ready)) [6 \* Y: r3 S6 C$ J% ^* l) k
* Short-length PCI format (only 175 mm/6.875 inches)
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. [6 n4 c5 ~7 USpecifications2 C5 l( ^/ E% _& T) R" ~
f) \+ F& L, ]- ]/ C' p5 s9 ?( [Configuration: V% s% R+ P; F+ a5 f
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* Bus/Format: Universal PCI, slave mode, PCI-X compatible
! \. M; [! v7 r6 h9 h * Size: 175 mm x 99 mm (VX222-Mic: 226 mm x 99 mm)
8 [) V K3 l m3 t5 u * Operating: temp / humidity (non-condensing): 0°C/+50°C ? 5%/90% b9 e/ H' G! s H2 ]. c
* Storage: temp / humidity (non-condensing): -5°C/+70°C ? 0%/95%
/ K* ]. M2 T; T' Y* _ * Power requirements (+3.3V / +5V / +12V / –12V): 0.5A / 0.1A / 0.2A / 0.1A0 b' l0 L1 i$ j
9 k" ~; o' J" v. A! W$ eInputs / Outputs
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* Analog line inputs (stereo): 1 balanced
3 I- e# s. N: S * Maximum input/impedance: +22 dBu/ >10k?2 J+ h% x( e3 Y ^. S
* Programmable input gain: digital
6 s h4 q9 T& M" y/ s+ W I2 M * Digital inputs (stereo): 1 AES/EBU1 F$ X( _, {& b8 Z
* Other inputs: 2 GPI (dry contact)
6 x" a9 R, Y) P" U * Analog outputs (stereo): 1 balanced E2 b# E* u( |% ]' J" T% l7 M7 c
* Maximum output/impedance: +22 dBu/low impedance. D/ Z( C5 g4 X% }
* Programmable output gain: digital and analog
7 O' Q- V# G) q! F# a) R) \3 Z- U' N * Digital outputs (stereo): 1 AES/EBU2 j8 a a7 O$ c) K6 K/ _* ~9 [
* Other outputs: headphone (600?), two GPI (relay, 0.5A, 48VCC)
* ~6 R5 M: u& [ * Access to main status bits of digital frame: Yes
2 u7 s" q0 c2 Q+ @. }8 O( x! O * AES11 synchronization: Yes
% T; ?+ L8 Z9 x) h% b! W% w2 m. o0 _ * Connectors: 15-pin SUB-D for analog I/O; 15-pin HD SUB-D for digital I/O, sync. and GPI5 c. I' ~4 A6 S: j. m0 B' y
* T9 A2 l, e w) ?Audio Specifications
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8 _" p2 k5 `( q# D5 ~ * Sampling frequencies available: Programmable from 8 to 50 kHz0 e3 i6 b) M, _ a
* A/D and D/A converter resolution: 24 bit
p3 ^* W& g* u8 g" ^3 n H4 [ * Frequency response: 20 Hz – 20 kHz: ±0.2 dB
5 X( x+ A) J* j2 d/ O$ [ * Signal to noise ratio: >97 dB
7 B1 o' K6 ^9 g" D6 n# ` * Distortion + noise at 1 kHz: <-92 dB (0.0025 %)
. o& k( L a* I/ v. F: k+ M1 b1 n. N * Channel phase difference: 20 Hz/20 kHz 0.5/23 J# ~3 L6 r& u o! a* ?6 \. H3 a1 V
* Analog channel cross talk: <-115 dB |
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发表于 2009-5-10 00:00
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