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Smallest audible level difference—anyone have refs. for common claims?, Was: Just Noticeable Differences
Ethan Winer
post Jan 20 2012, 17:19
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I'm hoping you folks can point me to "official" research showing the smallest level difference people can hear. The general consensus is that level changes as small as 1/2 or even 1/4 dB can be perceived under some conditions. And I'm sure there's a ton of research to back this up. But all I've been able to find with Google are statements to that effect, some on university web sites, but with no actual references to past research. Surely this has been published many times?

Thanks.

--Ethan


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krabapple
post Jan 21 2012, 20:41
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Ethan, have you seen this?
Not JND , but might be pertinent

http://en.wikipedia.org/wiki/Absolute_threshold_of_hearing

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Ethan Winer
post Jan 21 2012, 21:38
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QUOTE (krabapple @ Jan 21 2012, 14:41) *
Ethan, have you seen this?
Not JND , but might be pertinent


Yeah, I've seen that, and other tests for threshold levels. By total coincidence, I had my hearing tested on Thursday. First time in probably 30 years. As expected, my thresholds are not what they once were, but the doc said it's within a normal range for someone my age of 63.

--Ethan


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Posts in this topic
- Ethan Winer   Smallest audible level difference—anyone have refs. for common claims?   Jan 20 2012, 17:19
- - C.R.Helmrich   Google for "zwicker 7 just-noticeable sound c...   Jan 20 2012, 17:32
|- - Ethan Winer   Thanks guys, that helps. QUOTE (C.R.Helmrich ...   Jan 20 2012, 21:41
|- - C.R.Helmrich   QUOTE (Ethan Winer @ Jan 20 2012, 22:41) ...   Jan 20 2012, 23:53
- - xnor   http://home.provide.net/~djcarlst/abx_crit.htm   Jan 20 2012, 17:48
- - Woodinville   You need to be much more specific. What kind of ch...   Jan 20 2012, 22:08
- - Speedskater   The problem that Ethan is having, is that on anoth...   Jan 20 2012, 23:47
|- - Kees de Visser   QUOTE (Speedskater @ Jan 21 2012, 00:47) ...   Jan 21 2012, 10:53
|- - Woodinville   QUOTE (Kees de Visser @ Jan 21 2012, 01:5...   Jan 21 2012, 18:23
- - saratoga   I tested this myself once. I could ABX 0.5 dB wit...   Jan 20 2012, 23:52
- - Brand   Probably not the "official" research you...   Jan 21 2012, 01:20
- - mzil   Apparently, from what I've heard, to find the ...   Jan 21 2012, 07:29
|- - db1989   QUOTE (mzil @ Jan 21 2012, 06:29) a chart...   Jan 21 2012, 10:43
||- - mzil   QUOTE (db1989 @ Jan 21 2012, 04:43) QUOTE...   Jan 21 2012, 17:16
||- - db1989   QUOTE (mzil @ Jan 21 2012, 16:16) Thanks,...   Jan 21 2012, 19:49
|- - Ethan Winer   QUOTE (Speedskater @ Jan 20 2012, 17:47) ...   Jan 21 2012, 19:50
- - Speedskater   It may not have been a serious post! See post ...   Jan 21 2012, 15:29
- - lvqcl   0.03 dB maybe?   Jan 21 2012, 18:37
|- - mzil   ^That's what I get too. http://www.sengpielaud...   Jan 21 2012, 19:17
|- - Woodinville   QUOTE (lvqcl @ Jan 21 2012, 09:37) 0.03 d...   Jan 21 2012, 21:03
- - krabapple   Ethan, have you seen this? Not JND , but might be...   Jan 21 2012, 20:41
- - Ethan Winer   QUOTE (krabapple @ Jan 21 2012, 14:41) Et...   Jan 21 2012, 21:38


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