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In Reply to: RE: Some DVD-A not delivering Hi Def Content posted by Werner on March 27, 2010 at 02:23:56:
so I guess that means a characteristic sound of a lot of digital recordings using FIR filters is a subtle chirp or pre ring? because that's what happens mathematically.
I'm guessing the effect of the pre impluse will be less audible the higher up the filter is moved.
I paper I read on a FIR filtering a square wave at 2khz resulted in a very noticeable chirp, vs a negative feedback filter.
Have the filter designers found a way to throw away the negative portion of the impulse response and keep phase linear?
My conversation about zero phase filters happened about 4 years ago sky walkers in house acoustician. Who was responsible for all if the modernization of the screening rooms post THX dude. There seemed to be a lot of dis satisfaction with FIR filters at least in his circle.
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Follow Ups
- RE: Some DVD-A not delivering Hi Def Content - antoneb 12:38:28 03/27/10 (4)
- RE: Some DVD-A not delivering Hi Def Content - Werner 01:31:15 03/28/10 (3)
- Filter Stuff - antoneb 03:10:36 03/28/10 (2)
- RE: Filter Stuff - Werner 04:39:53 03/28/10 (1)
- RE: Filter Stuff - Tony Lauck 14:05:25 04/02/10 (0)
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