Reply to Re: why two settings for 640 x 480 and 352 x 240?

Your name:

Reply:


Posted by Alpha on 07/19/06 06:05

"Joe Smith" <joe@inwap.com> wrote in message
news:34mdnYidAptTXiDZnZ2dnUVZ_rmdnZ2d@comcast.com...
> Mark Lloyd wrote:
>
>>> Trivia question: Do you know where 44.1 KHz came from?
>>> -Joe
>>
>> The high end of the range of human hearing is supposed to be 20 KHz.
>> The sampling rate needs to be at least double that to prevent alias
>> distortion. The extra is to allow for the fact that filters don't cut
>> off completely at the exact frequency they're designed for.
>
> Yes, but why 44.1 KHz, and not 44.0 or 48.0? There is a specific
> reason why 44.1 was chosen.
> -Joe

I meant as a multiplier of rate and scan frequency.

[Back to original message]


Удаленная работа для программистов  •  Как заработать на Google AdSense  •  статьи на английском  •  England, UK  •  PHP MySQL CMS Apache Oscommerce  •  Online Business Knowledge Base  •  IT news, forums, messages
Home  •  Search  •  Site Map  •  Set as Homepage  •  Add to Favourites
Разработано в студии "Webous"