Home Speaker Asylum

General speaker questions for audio and home theater.

Re: did they test the supersonic signal on its own

Oohashi published two papers on this issue, the first at a 1991 AES convention (no peer review), the second in J. Neurophysiology 2000 (peer-reviewed). In both papers the HF content alone is presented to the subjects and response is measured.

In this respect, the AES paper describes two experiments, one with genuine Gamelan music, the 2nd with simulated Gamelan music, derived from white noise.

In the 1st case, 6 out of 16 subjects responded to the HF signal, in the 2nd case only 2 out of 16. The paper does'nt provide any statistical analysis whatsoever.

The 2000 paper presents the HF results in statistical terms only.


Anyway, I think that such studies are, as interesting as they may be in themselves, of little value to the music lover since hi-rez audio formats appear to have no commercial success.


Klaus


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