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Old 21st August 2009, 03:34 PM   #11
Theo404 is offline Theo404  United Kingdom
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Quote:
Originally Posted by foo View Post
Maybe some people didn't experienced this:
the lower the latency the better the sound quality.
(improved resolution dynamic and soundstage)

Kernel streaming is stated to work as ASIO to avoid kernel mixer.
However, the sound differs a lot.
KS sounds worm and fat but not as transparent as ASIO.
Direct sound + fat midband = KS.
If thats what you 'hear' then fair enough, but having played with latency to the nth degree on both windows and linux I disagree... but each to their own.
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Old 24th August 2009, 01:25 AM   #12
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anyone tried something like this, basically adding massive heatsinks to the PS components (I'm sure safety warnings are in order...)?:
http://www.silentpcreview.com/article682-page2.html
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Old 24th August 2009, 04:08 AM   #13
andy_c is offline andy_c  United States
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Originally Posted by PeteMcK View Post
anyone tried something like this, basically adding massive heatsinks to the PS components (I'm sure safety warnings are in order...)?:
http://www.silentpcreview.com/article682-page2.html
Seems quite radical to me. My approach is pretty simple. I bought an Antec NSK2480 HTPC case, which is rather cheap. Its power supply was quiet, but not silent, so I bought a fanless FSP Group (Fortron) Zen 400W PSU for it. It's completely silent and totally reliable. I went for an AMD dual core CPU having max dissipation of 45W, and used a Scythe Ninja Mini fanless heat sink on it. I replaced the one case fan with a Scythe 1400 RPM (at max voltage of 12V) S-flex ball-bearing fan. It is very close to the CPU heat sink, and runs off the CPU fan header on the mobo. In turn, the voltage on the CPU fan header varies with the sensed CPU temp. The CPU runs very cool, as "Cool 'n' Quiet" is enabled, dissipation is low, and the Ninja Mini heat sink is very efficient. So the fan voltage on the mobo stays at its minimum of about 4V at all times. This runs the fan so slowly it almost stalls. To hear it, you must literally press your ear against it.

The other trick for keeping it quiet is to have all the music files on another computer and stream them over the network so the hard drive is rarely accessed. This computer is about six feet away from my listening chair and completely silent. There's no need for radical and/or expensive solutions. The usual caveats apply regarding disabling services such as system restore and indexing service. This minimizes disk activity. Also, do not use a screen saver, as it will cause senseless HD activity when it turns the screen off - even the "blank screen" screen saver has this problem. Instead, go into Windows power management and configure it to turn the monitor off. There's other tricks, but I can't recall them all at the moment.

You can get excellent performance out of such standard form factors, and as a bonus, fixing the thing if it breaks is much easier than if you had some exotic setup.
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Old 25th August 2009, 02:45 PM   #14
ilted is offline ilted  United States
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I second the idea of having all you're music stored elsewhere, also it invites backup, dfs, vpn links to others, remote access, etc. To throw my recommendations in there, toslink. I have my entire stereo on a dedicated power line with it's own ground in the yard, having the computer far away on the standard house power with coax makes a hum you can hear through floors. Toslink from the soundcard to a dac has served me well for about 7 years now as there is no ground shared between the computer and the stereo. Although you're limited to 24/96, so are most dacs these days.

Another note is never underestimate all the radiated em/rfi coming out of a standard computer. Keep you're rca cables away from that thing. If you must use analog outputs from a computer go the external usb soundcard route. It's amazing how much noise computers radiate, dump on the line, and dump on the ground.

As for quieting down the computer, the cost of a 25' vga or dvi and usb cable, and a usb hub for keyboard, mouse, etc. is pretty low on ebay these days, often cheaper than just a quiet copper heatsink for the cpu.
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Old 29th August 2009, 06:54 PM   #15
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Duh? I just use an Asus EeePC 901 with SS-HD hooked to an EMU 0404 USB sound card. Music is stored as Flac files elsewhere on a 1 TB NAS. Works like a charm.
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Old 13th September 2009, 09:04 PM   #16
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A while back I built a completely silent PC, passive PSU (Silverstone) and large passive heatsinks on everything. I made the casework from drilled alu sheet It was ugly though but worked like a charm. As for HD noise,

http://www.justblair.co.uk/hdsilence.html

This method works, but is not for the fainthearted.

Now I use an Antec Fusion Case.

http://www.justblair.co.uk/my-current-htpc.html

I find that using a well designed case such as the Fusion and modern drives, the PC is virtually inaudible. Not quite as silent as my passive machine, but close enough and pretty as well.
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Old 16th September 2009, 06:08 AM   #17
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hi foo,

I'm newbie to this site.
Thanks a lot for your tips..!!
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Old 17th September 2009, 12:28 PM   #18
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Quote:
Originally Posted by justblair View Post
A while back I built a completely silent PC, passive PSU (Silverstone) and large passive heatsinks on everything. I made the casework from drilled alu sheet It was ugly though but worked like a charm. As for HD noise,

http://www.justblair.co.uk/hdsilence.html

This method works, but is not for the fainthearted.

Now I use an Antec Fusion Case.

http://www.justblair.co.uk/my-current-htpc.html

I find that using a well designed case such as the Fusion and modern drives, the PC is virtually inaudible. Not quite as silent as my passive machine, but close enough and pretty as well.
Your system is fantastic....what a great look
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Old 18th September 2009, 05:43 AM   #19
Theo404 is offline Theo404  United Kingdom
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Quote:
Originally Posted by justblair View Post
A while back I built a completely silent PC, passive PSU (Silverstone) and large passive heatsinks on everything. I made the casework from drilled alu sheet It was ugly though but worked like a charm. As for HD noise,

http://www.justblair.co.uk/hdsilence.html

This method works, but is not for the fainthearted.

Now I use an Antec Fusion Case.

http://www.justblair.co.uk/my-current-htpc.html

I find that using a well designed case such as the Fusion and modern drives, the PC is virtually inaudible. Not quite as silent as my passive machine, but close enough and pretty as well.
I'm intrigued as to what software setup you use blair, I use two of the sureelectronics tripath boards you have articles about on your website in my 4way setup....
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Old 18th September 2009, 06:27 AM   #20
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Quote:
Originally Posted by Theo404 View Post
I'm intrigued as to what software setup you use blair, I use two of the sureelectronics tripath boards you have articles about on your website in my 4way setup....
Software wise my setup uses windows 7 media center at the moment. I have used Media Center for years. Music is ripped in WMA lossless. Windows 7 is the best software that I have found for all round multimedia purposes.
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