|
|
因为懒得去折腾耳放和解码器所以又入了张老虎卡( A6 \0 @6 r+ F7 l! p" v3 j
7 S V$ q j# x z2 `9 ?耳机是HD600,现在在和原来的MIA MIDI+国产HEF188对比听中,暂时感觉良好7 M& Y' Q! O: u* j: o
& F% Z8 h8 S q8 i6 S
但是现在没搞明白ASIO时的音量怎么调节?控制台的音量控制完全起不了作用。只能靠Foobar的音量条工作。驱动本身有没有其它方法控制那个耳放芯片呢?
5 u$ }/ R/ x6 R$ w
% n, h* U+ _6 \5 J' u/ l) `另外顺便关于耳放增益的问题,耳放选择关键是阻抗匹配,那么HD600(300ohm应该选+12db(64~300ohm)还是+18db(300-600ohm)比较好?
: C6 l5 k: k! v9 i. T尽管+18明显很有推力,但感觉好像有点过头有点吵的感觉。
# W U% s; K+ I" n* I# u3 T! [! i4 _: c& E- l
; }& q: r& I4 G; F) r
PS:在驱动说明里找到的答案
+ X1 ?/ u) |5 h. R
e& `" g; f- `- y! V# XXonar Essence ST bit-perfect ASIO driver (beta) for Windows XP 32/64bit' J4 j6 i, \7 z* C- z
1. Sample rate supported: 44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz O+ ~2 a+ X+ \/ G2 X6 _) H! o
2. Supports one ASIO playback stream (maximum 8 channels) to analog output.
/ L) s( @+ F" c+ ~3. Supports one ASIO recording stream (2 channels) from analog input.
( X$ _ o4 ~2 w% I4. Recording source (microphone in or line in) is selected by system mixer.
1 ` T. \: g$ x' \& C5. To keep the ASIO stream bit-perfect, the following two rules apply:2 D' l# e, L5 n" K6 S7 s
(1) The ASIO stream has higher priority of using DMA buffer than other streams. That is, when the ASIO stream is played, other streams cannot be played.
" s8 W' C" _- m, J+ ^6 l% w$ [: p. H(2) No volume control is available for the ASIO stream.
' `3 U& k$ b8 l6 `8 `4 b6. When there are more than two ASIO applications running, only one application gets the right to use the hardware resource. This is based on “first come, first service” rule.+ y" x2 E3 e3 L* {& c7 a9 {# ~# o: u8 d
7. Current buffer time is set at 10ms, will be adjustable in later version.
, |* E2 V' u" D+ M/ j" g/ o$ |8 S0 J; w% A0 [ t* q( w5 ~
: C, Y: a3 M# V9 }3 A这样做有意义嘛?我调用foobar的音量功能岂不更糟糕。
0 o4 z7 [6 M7 Y- j( p7 o0 f
( Q9 R i- C$ w; u; m
! @; m2 B7 `9 g8 b小白一个,不胜赐教 |
|