[sdiy] How does your sound perception change while you're falling asleep?

[Richie Burnett]

The "children's voices laughing or saying something" bit I can totally 
relate to having a small child.  But don't know what is this thing you refer 
to called "sleep"!??? ;-))

-Richie,



-----Original Message----- 
From: cheater cheater via Synth-diy
Sent: Thursday, August 18, 2022 3:56 PM
To: synth-diy
Subject: [sdiy] How does your sound perception change while you're falling 
asleep?

Hi all,
I'm sure many have noticed that your sound perception changes in the
moment immediately before falling asleep. I was wondering if anyone
would like to describe what effect they hear. Since we all know
synthesizers, synth and audio engineering related terms are going to
be very useful here.

I suggest writing down whatever you can remember before reading the
rest of the thread, so you don't get influenced. Then read the thread
to see if anything seems familiar.

If you make any observations in the future, come back to the thread
and add to it.

My description follows below.

------------------------------------------------------------------

I've been dozing off just now with the AC on (wide band noise, biased
towards LF). The sound suddenly changed to something like a very deep,
quickly animated chorus effect applied to the sound. By quickly
animated I mean it sounded like multiple parallel stages (3-5?) with
separate LFOs where you could hear LFO peaks of the various LFOs maybe
5 times per second.

Other times, in a room without wideband noise - eg watching a podcast
on youtube - sound seems to cut off fairly cleanly with a short decay,
like maybe 0.2-0.5s decay. If I'm coming out of it sound will show up
again. If this keeps on cycling I can perceive those holes in sound.
It sounds like the cleanest ducking gate, no click, no coloration.

I remember back in high school I wasn't getting a lot of quality sleep
so once or twice before falling asleep i'd hear auditory
hallucinations. Usually what amounts to children's voices laughing or
saying something I can make out but not understand. Not exactly
related, but one time I was so tired at school that I dozed off
between classes. A classmate tried waking me up and I started talking
to him, still in a dazed state, but no real words came out, just
gibberish. That's never happened before or since, and it was odd
enough that I took note of it.

Best regards
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