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In Reply to: Re: Didn't have to read much to recognize trash -- and here's why --- posted by David Aiken on April 21, 2007 at 13:53:27:
There are many complaints about FM radio sound quality.
But complaints about output above 15kHz. seem rare.When listening to typical Western music on FM radio, it seems that the
tiny amount of sound energy above 15Hz., assuming there is any,
can be eliminated and few people, if any, complain about its absense.It seems to me that the people in the test said they preferred the music with content above 20kHz. WITHOUT ever proving they could hear a difference the two samples. A blind preference selection without the needed audibility test, is a typical high-end audio "blind test" (but not really a test at all).
There is also a possible question about how the energy above 20kHz was stripped from the music, and whether doing so created an audible artifact.
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Richard BassNut Greene
Subjective Audiophile 2007
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Follow Ups
- Frequencies below 15kHz. mask the audibility of frequencies above 15kHz. assuming they are audible at all - Richard BassNut Greene 07:57:50 04/23/07 (10)
- Re: Frequencies below 15kHz. mask the audibility of frequencies above 15kHz. assuming they are audible at all - David Aiken 14:04:51 04/23/07 (9)
- Where are the data to prove listeners could hear a difference with and w/o the ultra high frequencies? - Richard BassNut Greene 09:38:35 04/24/07 (8)
- Are these biases? - David Aiken 19:00:57 04/24/07 (7)
- They are if the study is to correlate with people visiting this website and the typical music they listen to - Richard BassNut Greene 08:46:36 04/25/07 (4)
- Re: They are if the study is to correlate with people visiting this website and the typical music they listen to - David Aiken 16:37:15 04/26/07 (3)
- Because the study results were used by someone here to support the purchase of supertweeters by someone else here! - Richard BassNut Greene 07:38:53 04/28/07 (1)
- Re: Because the study results were used by someone here to support the purchase of supertweeters by someone else here! - David Aiken 13:31:08 04/28/07 (0)
- Like we used to say in the seminary - tlyyra 01:20:24 04/27/07 (0)
- Re: Are these biases? - morricab 08:01:55 04/25/07 (0)
- Exactly - tlyyra 01:28:16 04/25/07 (0)
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