27 Jul
2010
27 Jul
'10
7:14 p.m.
On Tue, Jul 27, 2010 at 11:57 AM, Ralf Mardorf
<ralf.mardorf(a)alice-dsl.net> wrote:
On Tue, 2010-07-27 at 11:10 -0500, Charles Henry
wrote:
> Because psychoacoustics just hasn't been
defined in a way to make hard
> numbers stick. The tendency in psychoacoustic experimental design is
> to use discrete conditions (which gives better experimental power) in
> order to show that an effect exists. But this way, any given
> experiment can't produce results that cover the whole space.
> Generalization and extrapolation are limited.
Masking theories used by audio codecs to compress
audio signals don't
work for people who are trained in listening, e.g. MP3 at any rate is a
PITA. Trained people (here where I do live) do always here a loss in
blind tests.
It's a problem for current models to accomplish compression without
losing some part of the audio quality. Do you think there could be a
better (or best) basis for reducing the complexity and bitrate of
sound? or is it just plain impossible?
Before the brain does "math", are there any
other senses involved to the
interpretation of the input given by the ears? (Btw. I'm sure that math
is just part of nature and can't describe nature, because it's just a
part.)
Regarding to the topic that there are two sound sources and you are
thinking about a relation, try to imagine people who are autistic or who
are 'normal', but having a panic attack, or try to remember a situation,
when you barely were able to escape an accident. The filtering is
completely different. Everybody of us is able to focus allegedly masked
"things".
I agree--but I'll put a little more on the table here. A strong model
is able to describe not only the big trends but the contextual,
situational, and personal sources of variation. A model of that kind
of scope is very far off, in my mind. I would be happy to have a
weaker model that generalizes well first.
Perception, the interpretation of the input by all
senses will change,
regarding to the context, for audio even regarding to the tilting of
your head to the body.
Recordings and digital audio virtualization always has the lack of the
experienced context. If it should be possible to completely gather
everything of nature by math for specific situations, there still will
be the context, a situation were everybody brains is able to count the
peas that drop to the ground, after the glass of peas fall down to the
ground.
Remember your own experiences when you had or nearly had an accident.
Time seemed to be slower and silent, but important sounds (regarding to
your survival) become loud, while loud, but unimportant sounds become
silent.