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发表于 2008-12-4 12:29
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Audiophile Grade的HTPC不需太快,中等速度而可, Motherboard也不太讲究,大路的Asus, Intel, Gigabyte也可以.但留意火牛必须优质而足火.
一般来说要达到CD player grade的HTPC, PC Sound Card部分只出digital signal (AES或Coaxial), DAC则交由External DAC负责.即PC -> Sound Card -> DAC -> AMP -> Speaker.
如PC部分只出digital out, sound card的jitter需留心.建议留意sound card的抗jitter能力,及选择良好digital cable.
另一的玩法是用Apogee Big Ben等master clock,张PC sound card同DAC的clock sync起.
Desktop PC:
1) CPU不用好劲,只需有SSE2 or SSE3指领;
2) Mother board要有3条或以上的PCI糟;
3)火牛要过火和有2组独立12V输出;
4) ATA hard disk比SATA hard disk好声;
5)如用ATA HDD, IDE cable要选用有水线的cable;
6)火牛电源线要够粗大;
7) DVD-rom最好用Plextor,因Plextor阅读力著名
Hardware:
电源:要优质及有12V两组比PCI用底版:
无大分别, Gigabyte, Asus, Intel都有人用
DVD-ROM:最好Plextor
HDD: Maxtor 7200RPM/16M/SATA2 ( Or Seagate沙鱼)
Video Card: X1600 Pro 128MB (优质如Sapphire, Asus, Leadtek)
Sound Card Options:
RME 9632:贵, AES breakout cable要另买
RME 96/8PAD :平过9632,
Lynx Two :更贵,但包AES Breakout cable
Sound Card Interface: PCI better than Firewire better than USB 2.0
Digital output: AES > Coaxial > Optical
M-Audio 5.1, 7.1: Good for non-audiophile.
Creative 1212m: AES是非平衡的,评语一般,胜在平过RME
Creative 0404M USB Sound Card - Good comment with excellent jitter figure.
Trend Audio UD-10:优质港产USB Digital output, Recommend外置DAC
USBDAC:
USBDAC最大优点是方便简单及对PC要求较低.如用notebook PC更加可有最强mobility.缺点是USB传讯力弱,直接影响音色.
Stello DA220 MKii:已包sound card的DAC,惜interface是USB 1.1,只能用ASIO4ALL
Stello DA100: Lower version of DA220
Apogee Mini DAC USB:
Software:
Ripping Software: EAC Accurate Rip
Playback Software:一般用Foobar ASIO
File format: Wave or lossless compression like APE or Flac |
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