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因为懒得去折腾耳放和解码器所以又入了张老虎卡/ N- r7 x. G) j: J6 _
. C2 p% L1 k4 q& N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! ~% [& ? R+ k* ~/ X1 v% |( F7 `9 Z. }* W
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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?1 n8 x! q! `2 I- }
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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?
* [- z$ A$ t/ T4 M尽管+18明显很有推力,但感觉好像有点过头有点吵的感觉。" L( h o9 r+ O( j
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0 }! z. @: r% u0 [4 t, DPS:在驱动说明里找到的答案
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+ o* n6 W8 m$ `5 G: m4 }Xonar Essence ST bit-perfect ASIO driver (beta) for Windows XP 32/64bit' a7 F E8 x' Z+ n% z9 V* Q1 _
1. Sample rate supported: 44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz3 I% e1 ?5 O+ q. K
2. Supports one ASIO playback stream (maximum 8 channels) to analog output.
l* ^3 t$ l7 c% m1 R8 T3. Supports one ASIO recording stream (2 channels) from analog input.6 J n7 |. ~+ l1 |
4. Recording source (microphone in or line in) is selected by system mixer.2 K% N" f4 y: h" O8 N
5. To keep the ASIO stream bit-perfect, the following two rules apply:
/ l, R" _8 v _1 v6 H(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." i. k, Y% Q0 R9 x* m7 v8 z
(2) No volume control is available for the ASIO stream.
5 [3 b- K! e3 `, Y0 f6. 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.
$ U. P8 ]& J# y8 \/ b7. Current buffer time is set at 10ms, will be adjustable in later version.
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3 W* C$ L9 L) T' k( B2 T5 i; G这样做有意义嘛?我调用foobar的音量功能岂不更糟糕。
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小白一个,不胜赐教 |
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