本帖最后由 ITANIUM2 于 2010-11-13 17:23 编辑 - F. v+ O- n6 m: H. u" f2 |* G
$ Y& W5 J' I9 F- lhttp://erji.net/read.php?tid=949422&;page=e&#a
/ G) R! f* }8 w4 Y8 W0 i' Q; `- Q% ~1 c% u2 g. ~4 L
RMAA测试,win7 SRC和Xfi SRC比较
3 D9 T6 g1 n" l; z. [
' ^5 v0 x* `. E* F- D/ N( P/ u描述:Frequency response 图片: ( s' E9 u" M+ \
: j( g& H: Z- _7 v* f& x- {( P# J
6 T! |( ?" s& i
# J* J* d" `- g% M1 u8 Z9 h
描述:Dynamic range6 g2 v# Y% @: s9 `* G5 F
图片: # `+ R5 @% e. i8 F
4 M7 [' V; i1 h9 X, [
# B! ^ {* o1 K描述:THD + Noise (at -3 dB FS)
6 x5 b$ h7 y% Z$ o$ L _3 u4 i 图片: 9 L6 x5 g8 }$ p
) C# \2 g" V! U- n+ K& E5 E
. B1 d+ h$ b) j/ Y% r' U5 w+ J3 J
描述:Intermodulation distortion
# D; v T1 `& @# B+ l 图片:
% B$ o) ^/ @/ y y 1 t7 `* a1 j' J% \6 a" Z2 n
' a; A: q; v6 I
描述:Stereo crosstalk; }( u, H; o; Z1 l+ `$ n& z& d# J
图片:
7 B* X5 ?3 _, L/ H9 }
' O& \! c3 e- Y, e8 E! P5 Z$ C2 r5 m. h
% T5 t8 t! E% Y- |. u7 p
描述:Noise level, \5 _% u9 v! x \- q' B( j' v0 u
图片:
/ H* I; p \+ B/ }3 \4 Q3 D% p% g
. E x# _# ~- D# B' C4 q
6 ^- a- S* `$ P$ R! j0 X# i! h+ k" I$ b4 ^5 N8 E
千万不要太把win7的src当回事啊。。。什么win7软件src秒神马神马的。。。 $ x+ V# _ _" X" Z- q
# J; U5 f# S3 V. d
win 7 SRC 44.1 to 480 U' ^% ]( u2 _7 I5 a
X-Fi SRC 44.1 to 48) W! i; Q0 Z' u, m+ j X. Q' D! H
RightMark Audio Analyzer test % N! W2 I* c$ ^7 I- w
Testing chain: internal
' `+ r1 B* l5 w: V0 e8 W, M. FSampling mode: 16-bit, 44 kHz
. |9 T* h8 u VSummary | Test | win 7 SRC 44.1 to 48 | X-Fi SRC 44.1 to 48 | | Frequency response (from 40 Hz to 15 kHz), dB: | +0.14, -0.08 | +0.00, -0.00 | | Noise level, dB (A): | -94.2 | -94.3 | | Dynamic range, dB (A): | 94.2 | 94.3 | | THD, %: | 0.095 | 0.0006 | | IMD + Noise, %: | 0.207 | 0.0053 | | Stereo crosstalk, dB: | -95.1 | -94.1 | / { D. P' R% u/ s3 _
' {5 f9 ?& S+ J G' J/ ]7 v( v" |# I L! R4 y
/ C/ a: X5 O9 u4 J8 L( p2 P3 d! Q |