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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: Re: May not be undesirable posted by andy19191 on December 5, 2006 at 04:08:31:
Hi.Any harmful ringing due to the 42dB steep brickwall filters will be too far beyond the audio spectrum. It will have very little, if any audible effect on any music signals of high harmonic orders at such insignificant levels.
Only last month, I did an audition sight test, (sorry, not blind test) comparing a DVD-audio (24-bit 176Khz) vs a CD (24bit 44.1KHz)
dubbed from the same master sound tracks. This is a twin-disc (DVD-A + CD) album of limited 'initial test release' for audiophiles.Everything remain unchanged, which includes the same Pioneer DVD-audio player which plays the both discs.
The audio difference was found very significant. The DVD-audio sounds so much more natural & well balanced, with a realistic spatial spectrum which put the CD to shame.
My subjective finding tells me even a 42dB steep brickwall filter is not any sonic issue given wideband sampling.
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Follow Ups
- I agree DVD-A 176KHz sampling does the trick. - cheap-Jack 11:54:26 12/05/06 (2)
- Re: I agree DVD-A 176KHz sampling does the trick. - Todd Krieger 00:33:20 12/06/06 (1)
- Steep brickwall filters are need for specific applications, - cheap-Jack 09:12:55 12/06/06 (0)
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