Posted by Alpha on 07/19/06 06:03

"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

This value came as a division of NTSC and PAL video refresh rates.

[Back to original message]