> -----Original Message-----
> From: [email protected] [mailto:hum-
> [email protected]] On Behalf Of Trev
>
>
> Well, to clear things up, I restate that the effect I was picking up
> the other night was ON/OFF stutter-
> & not like a V1 pulse ramjet (studder/judder?) but slower- and
> switched cleanly.
> That's why it stuck out -as that is an unusual format for me.
> This capacity to change character seems totally different to HF
> tinnitus which sometimes goes through changes on the fly...but always
> goes through transient changes of frequency and amplitude shifts with
> no breaks.
My Hum modes have been
1 - Continuous
2 - Modulated (50% tremolo effect at 1 Hz or so)
3 - Pulsed at a rate of 2 seconds or so, equal duty cycle.
2 and 3 were verified as internal/tinnitus, as they were only audible in ONE
EAR.
Number 2 would cease humming and turn into physical quiver when finger
inserted into ear.
geoff
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