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In Reply to: RE: GRAY AREA - Computers & Hard Disks in the listening room - Pictures posted by AbeCollins on August 26, 2016 at 12:16:37
Hi,
Just some notes on noise (acoustic) and computers.
I use a "Server" build myself in a suitable case.
This case uses elastic suspension for the hard drives, resulting in minimal noise from them, especially when combined with very low noise hard drives. In a quiet room, late at night I can barely hear the HDD's seeking (makes most noise) from well under 1m. I do use a SSD for the OS etc. though.
I have had completely fanless computers before, in this build I added a usual complement of fans (CPU, Powersupply, two case fans) with all fans controlled via the Motherboard, except PSU, which is controlled via the PSU thermal controller.
With normal music playback at normal room temperatures all fans are stopped. I carefully did the whole thermal design so this could be achieved.
If it gets very hot or very large CPU power is used, the fans spin up, but even at full tilt the choice of very silent fans and elastic mountings for the fans mean all you hear is a gentle whooshing that is WAY quieter than any room fan or aircon I might have running if it gets hot.
Now over a decade getting a computer quiet was a challenge, today a sensibly build custom unit can be silenced for 100 to 200 USD to a degree well past adequate. For electrical noise in computers there are also solutions, but how many of them make real sense remains to be seen. I intend to get a bunch in to try one of these days.
Ciao T
At 20 bits, you are on the verge of dynamic range covering fly-farts-at-20-feet to untolerable pain. Really, what more could we need?
Follow Ups:
A very worthwhile and good looking way of silencing walls of computer cases is to attach black 0.5 cm artist boards with sandwiched foam on the outside of the case. This is much cheaper and more effective than foam supplied for computers in shops.
A Pi is silent by default @39$. And your iPower cost me 50$ extra.
The USB I clean up with an active USB filter for less then 100$.
Do I need more?
Why should I spent hundreds of $ to make an extremely complex silicon dinosaur silent!?!?
The entire approach (and discussion) is IMO nonsene!
With things like that we played around 10 years ago - remember Cics.
It took the industry years to catch up. Now they try to sell systems/solutions which are actually outdated again.
And the actual underlying key issue still hasn't been properly addressed.
The key issue: Making DACs that do not respond to upstream induced distortions.
Because we, as users, will never ever get the upstream environment under control.
Cheers
Hi,
> A Pi is silent by default @39$.
Sadly, the Pi cannot remotely offer 1/50th of the functionality etc. my full blown machine can (e.g. being easy to using a normal screen and remote handset, without requiring a handled computer connected via WiFi to operate).
If you are happy with a squeezebox alternative and needing a Phone or Table to operate the thing and a separate server and all the setup complexity to make this shooting match work, good for you.
I never had any use for squeezebox and it's ilk, personally speaking. Other have different views.
So it's Horses for Course and DE GUSTIBVS NON DISPVTANDVM EST.
Ciao T
At 20 bits, you are on the verge of dynamic range covering fly-farts-at-20-feet to untolerable pain. Really, what more could we need?
I tried your custom Linux OS on my netbook?
Lol, we could have been rich with doing basic crap with Linux a decade ago.
Not these guys have mpd and charge $1,000s. Lol.
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