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Old 1st March 2010, 04:18 AM   #51
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Arrr........ I've been busy gluing covers onto 40 Alpair 12 drivers. They're going to Japan today.

Skype's on in case you're still up

Cheers

Mark.
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Old 1st March 2010, 08:07 AM   #52
pinobot is offline pinobot  Netherlands
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Sorry for the off topic question, but what covers?
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Old 1st March 2010, 09:41 AM   #53
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First I need to apologise to Dave, I got a bit tetchy when I know he means well.

I just feel frustrated because as much as anyone, I'd love to see more investment of time and resources into human hearing research and the associated acoustical properties. I believe there's knowledge treasures in the acoustic world yet to be uncovered.

Re covers. I need to do a post soonest possible on this one. Will be glad of your input. I'll try to run the post as a poll, not quite sure how to do it but will try. Norman has suggested doing a new thread in Full Range. I think this is a good idea.

Cheers

Mark.

Last edited by markaudio; 1st March 2010 at 09:44 AM. Reason: typo mending
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Old 1st March 2010, 10:34 AM   #54
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Quote:
Originally Posted by pinobot View Post
Sorry for the off topic question, but what covers?
Take a look at this new thread:

Alpair-10: to cover or not to cover, that is the question

Cheers

Mark.
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Old 3rd March 2010, 02:10 PM   #55
Werner is offline Werner  Europe
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Kunchur has been debated on many forums last year.

My position is this: assuming that the experiments are valid and that people regurarly can distinguish between two sounds that mutually differ only in a 5 us feature, even then is K's conclusion, namely that CD has an insufficient sample rate for conveying this, *wrong*.

The reason is that thanks to the blurring effect of the mandatory anti-alias filter at recording the 5 us distinguishing feature is spread out and allows the listener to hear a difference between the two sounds: yes, two impulses spaced 5 us apart would be destroyed, but what comes out of the channel would be different, and sound different, from two impulses spaced 10 us, or two coincident impulses.

The temporal or spacial accuracy of a sampled system like CD is much better than the inter-sample period. This is a fact that is exploited in other systems ranging from cellphones to optical spacecraft attitide sensors.
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