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

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Posted by Joe Smith on 07/19/06 05:31

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

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