Ok, I got this.
But you can't have it both ways:
Either these small changes are noticeable, but then you also will get
some spectral = tonal errors. (You don't get tonal errors in the case
of normal head movements, according to Dr. Theile and others. Even if
the spectral perception changes because of head movement...)
OR the changes are too small to get noticed, or tp do anything
meaningful in the first place...
That's my take. But of course this is easily said/written after such
experiments. (my thoughts being then a mixture of interpretation and
objection. "A posteriori", so unfair... ;-)
Best regards
Stefan
----- Mensagem de Jakob Gille <jakob.gi...@freenet.de> ---------
Data: Sun, 19 Dec 2021 20:36:45 +0100
De: Jakob Gille <jakob.gi...@freenet.de>
Assunto: Re: [Sursound] Into Sound - Headphone Localization Hearing Test
Para: Stefan Schreiber <st...@mail.telepac.pt>
Hi Stefan,
I don't think that the proposed method can replace head tracking or
tries to simulate it.
The used amplitude is way too small to do that.
You can see it more as giving the brain a hint with these little
right and left movements where the signal is coming from.
But as we saw, it seems that it's not working :)
Best Jakob
Am 19.12.2021 um 17:32 schrieb Stefan Schreiber:
Ok, I saw the paper, finally.
https://docs.google.com/document/d/e/2PACX-1vR6ZJn12I2DqsMmExGD3JgF33sHbahvJN6-ktymBKZAPv01wzWXpcS34RGob4W24HlO08kb0Ta320Up/pub
I highly doubt that the creation of “involuntary head movements”
does anything especially good, not being synchronized with
your/anybody’s real head movements - or say the (complete)
perceptual system. (Which “could” integrate visual, acoustical,
orientation and movement cues.)
This “what you could expect” interpretation is in line with your finding:
“Later evaluation showed no statistical difference between the
amount of correct localized sound with or without oscillation
applied.”
As we know that headtracking “helps” to improve front/back
hearing, isn’t it that the conventional way is better than the
“proposed new method”?
The question had to be asked...
Still a valuable result, in my view:
“Don’t move sound sources in artificial ways.”
😉
Best,
Stefan
P.S.: The tested method might introduce (noticeable) tonal artefacts, btw.
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