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Re: hearing sudden distortion effect
When I listen to music with one ear covered (lying down with my head on a pillow) I get thumping in the covered ear.
It's clearly a muscle contraction as I can feel it as well as hear it.
It started maybe 4 years ago (I'm 60). I first noticed it only during louder (≈50-60db) percussive events onsets.
It now it happens in both ears (no matter which one is covered) and the event onsets don't need to be so fast to produce the thumping.
My hearing is ok otherwise. I can produce and mix music with both ears exposed normally.
On Oct 4, 2016, at 7:36 AM, Bob Masta wrote:
> I wonder if you are also subject to what I call "thumping"
> during binaural beats presentations. I experience this at
> a center frequency of about 300 Hz and a difference of
> about 1 Hz. See the "Middle Ear Thumping" subtopic
> under "Monaural and Binaural Beats Mini-App" at
> I don't know how common this is. I'd love to hear about
> others' experiences on this test. You can download and
> use the Daqarta software on any Windows system. It's
> free for this sort of use (output only). I'd be glad to
> answer any questions.
> Best regards,
> Bob Masta
> On 2 Oct 2016 at 10:09, William Hartmann wrote:
>> Sorry about your bad experience.
>> Possibly related: I remember a performance at IRCAM on amplified flute
>> by Pierre-Yves Artaud. Intense impulsive tones were accompanied by
>> popping sounds in my ear. Colleagues attributed those to middle ear reflex.
>> James W. Beauchamp wrote:
>>> Dear List,
>>> In 2009 I acquired chronic low-level high-frequency tinnitus.
>>> Tests rhowed that it was at approximately 11 KHz 10 dB above
>>> threshold. Most of the time I'm not concious of it and it doesn't
>>> affect my enjoyment of music.
>>> Friday night I attended an orchestra concert where they played
>>> Beethoven's "Overture to 'Eqmont'", Bruch's "Scottish Fantasy",
>>> and Shostakovich's "Symphony No. 12" in that order. I enjoyed it
>>> all, but the last piece was especially loud, and near the end of
>>> the last movement I suddenly experienced a loud distortion effect
>>> on certain very loud notes. It had two attributes: 1) It was very
>>> sudden, almost like an amplifier clipping; 2) I perceived the
>>> sounds to be localized very close to my head, rather than coming
>>> from the stage (I was seated about 20 rows from the stage.). The
>>> effect was very disconcerting because it ruined the musical
>>> This is the first time I've experienced this effect at an orchestra
>>> concert. I remember experiencing something like this in 1978 when a
>>> certain electronic piece by Xennakis was performed at the
>>> International Computer Music Conference at Northwestern Univ. It was
>>> played very loud, and I remember sounds were swirling around my head.
>>> Others had the same experience. This was way before my tinnitus onset,
>>> and I didn't mind it because it seemed like the strange localization
>>> effect was just part of the piece.
>>> Has anyone else experienced this effect? What is the effect called?
>>> Is it related to tinnitus or is it a cause of tinnitus?
>>> Thanks for your help on this question!
>>> James W. Beauchamp
>>> Research Professor
>>> Professor Emeritus of Music and Electrical & Computer Engineering
>>> University of Illinois at Urbana-Champaign
>>> email: jwbeauch@xxxxxxxxxxxx (also: jwbeauch@xxxxxxxxxxxxxxxxxxxxxx)
>>> WWW: http://ems.music.uiuc.edu/beaucham