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In Reply to: RE: Equal loudness curves derived from Fletcher and Munson (1933) posted by fmak on March 06, 2012 at 05:43:25
I've been listening to some 25 Hz sine waves lately and hearing them. :-) And a lot of other tones in the range up to 200 Hz as well. And crawling around on the floor groping and twiddling knobs...
I've been also been listening to some 30 kHz sine waves, but not hearing them, as expected. Not really hearing anything above 14 kHz these days, 50 years ago it was up to 21 kHz. :-(
Also, using gain settings common for large scale orchestral music I've been listening to some 440 Hz sine waves at low level (-97 dBfs) and hearing them. These were audible in both 16 and 24 bit formats, but dither was required with the 16 bit format to hear the tones. I have too much noise in the room to hear quieter tones unless I turn the gain up to unreasonably loud levels (louder than row A concert levels).
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
Good for you, but sine waves are annoying to listen to, as opposed to music, which should be pleasant.
You will find, for example, that community noise criteria are not based on Fletcher Munson but on Leq.
I find sine waves pleasant and musical. I used to listen to Morse code at around 800Hz and it was beautiful!
You want annoying? Try listening to square waves in the audible range, or even just beyond the audible range where you sense it but don't really hear it. I use loud ultrasonic square waves to ward off pests and barking dogs.
Ah, so you listen with pleasure to function gnerators. I suggest an HP for your next purchase.
If you are serious, this says something about your choice of hardware and software. If you are not, then join TL on the floor to hunt for resonances.
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