ext_138204 ([identity profile] tronpublic.livejournal.com) wrote in [personal profile] xthread 2006-06-02 06:41 pm (UTC)

I can't hear either. I guess I won't need to worry about high frequency phase shift on the output LC filters of my amps.

SACD and DVD-Audio experiment: There have been many arguments about whether the extended frequency response available on these formats is worth your while. Regular CDs can reproduce up to 22.1KHz. SACD and DVD-Audio discs can push close to 100KHz. There are tons of arguments that say that you can hear (or even "feel") the extended frequency range. Those with "golden ears" say that they can tell the difference between the CD and the SACD/DVD-A version of an album. Others say hogwash - that the golden ears are actually hearing the remastering differences and the different electronics that SACDs and DVD-As go through.

Here's what I propose: Set up a double blind test. Scenario "A" is to play a disc (CD, DVD-A, SACD, it doesn't matter) through a stereo system. Scenario "B" is to do exactly the same thing as in "A", but you add another stereo system that's playing a bunch of high frequency crappola. If the test subject can actually hear of feel a difference, he or she should be able to say whether scenario A or B is playing.

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