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I'm not sure how far my hearing goes, but I know it's at least above 15khz, which is beyond what anyone else in my family can hear. It was interesting, my brother can hear up to about 13Khz, my mum 11Khz, my dad about 10Khz, and my grandad only 3.5Khz.

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Originally posted by Sophocles:

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When I studied acoustics and audio engineering I could hear at about 15 KHz but now I struggle to hear 10 Khz, but that ok because very few musical instruments can produce a higher frequency than that.

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Originally posted by Sophocles:

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I'm not sure how far my hearing goes, but I know it's at least above 15khz, which is beyond what anyone else in my family can hear. It was interesting, my brother can hear up to about 13Khz, my mum 11Khz, my dad about 10Khz, and my grandad only 3.5Khz.

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Sam, your listed hearing ranges are about what one would expect of people at different ages. If your hearing hasn'be been damaged by listening to a lot of loud music or sustained music then your hearing will be about 15KHz to even 17 KHz. Russ, you could be born with the most gifted hearing range ever recorded by science, live a quiet and perfectly health life with no viral or ear infections, and you still couldn't hear frequency at 15 let alone your current age. There has never bee a recorded measure of an aging human being hearing over 21,000 Hz. Some children under the age of 10 can hear up to 20,000 Hz.


Sam, most of the annoying sounds we hear from fans are often motor or generated mechanical noises. When a fan creates spins it creates a vibration that is transferred through the metal surface of ones case. If any part of the surface of the case or interior of the case vibrates or amplifies the noise then it shares the same fundamental frequency as the fan noise. A good way to reduce mechanical vibration is to add a seal between the case surface and the frame of the fan, but if a part of the interior of your case has a standing wave fundamental at the same frequency it is going to be amplified.


I prefer to go for faster fans and dampen sounds after the fact.


When I studied acoustics and audio engineering I could hear at about 15 KHz but now I struggle to hear 10 Khz, but that ok because very few musical instruments can produce a higher frequency than that

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so i guess ill be without a PC for a few days (going to york today, from london) but fortunately i have my ipod, so shouldnt be too bad.

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Originally posted by sammorris:

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Haha, it baffles me too. Seemingly, attaching a waterblock to it is what caused it to become faulty. I don't see how though, as the CPU looked completely undamaged to the naked eye. However, the Maximus II formula board has an appalling amount of bowing on it, the only thing I can think of was that it shorted out on the case and fried something on the CPU in the process. Even so, something on a CPU frying that causes it to short out sockets seems a pretty rare chance, but that's exactly what it was doing.

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I could be something as simple as a faulty or intermittent ground. Water is a very good conductor of electricity.

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Originally posted by rick5446:

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I'm headed 4 Amsterdam in 2009 will I need a power converter 4 a laptop, and DVD Player. Can't go anywhere without Movies, need them 2 get too sleep
Also got any ideas where 2 stay at a reasonable price with good comforts. Some where around the red light district as this seems to be about the center point to access everything in the city N,S,E,W

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Originally posted by creaky:

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Rick, if you want help re Amsterdam, you'd be best starting a thread in 'All Other Topics'.
As to power converters, they're very cheap anywhere and everywhere, you only have to research any differences in Voltage ie between the different countries.

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Originally posted by spamual:

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video encoders what do you think?

http://www.fudzilla.com/index.php?option...temid=1

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