[linux-dvb] Re: [OT] Reality

["Pete Martin" <petemartin@ntlworld.com>]

Brad,

What you describe (super tuned hearing) is similar in principle to the HiFi
expert who can allegedly detect very small differences between various kit,
while us mere mortals simply enjoy the music. (I am not talking about bogus
stuff like how solid vs. stranded mains wiring sounds, but real small
differences, e.g. phase differences or distortion). I guess it comes down to
training our senses. Similar also to wine and food tasters. I also know of
one tester who apparently has calibrated eyeballs and who apparently can see
artefacts and other distortions where I fail to see any, but maybe that's a
different phenomenon :)

Pete

----- Original Message ----- 
From: "Brad Campbell" <brad@wasp.net.au>
To: <linux-dvb@linuxtv.org>
Sent: Tuesday, May 11, 2004 11:23 AM
Subject: [linux-dvb] Re: [OT] Reality


> Gavin Hamill wrote:
> > Just a note to say that as I was looking out of the window on the train
home
> > yesterday evening, I saw lots of trees flash by very quickly, and I did
> > actually think for a moment that I could see some MPEG2 artefacts on the
> > window "probably caused by low bitrate"..
> >
> > Oh dear. Is there any therapy available for this?  :)
> >
>
> I have spent so much time staring at video footage while tweaking
de-interlacers I can often see
> interlacing artefacts and jittery movement where a "normal" person can't,
but only on video screens
> and not in the real world ;p)
>
> Along the lines of what you are saying, I have spent so much time
listening to and studying lossy
> compressed music I can often hear artifacts where in fact there are none.
I'm beginning to fear some
> form of programmed hearing damage (Not physical but psycholgical). Having
said that I can pick an
> mp3 at 100 paces with one hand tied behind my back. Perhaps my hearing has
becomed super attuned to
> phase variations and other colouring of sounds that normally we don't
process.
>
> I am worried that continued exposure to lossy compression (video and
audio) has the potential to
> alter the way our brains process sensory information as we become
optimised to processing this kind
> of input.
>
> Brad
>
>
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