Fahnsen:idc:
Re jitter there is lots of science here
http://community.whathifi.com/forums/t/385137.aspx and can you cite the sceince behind your claims re memory of sound and head position?
The thread you refer to is about as science-free as any cable discussion I've seen.
The fact that we have no exact memory of sound and can't compare sound samples with more than a few seconds between them, is common knowledge. So is the fact that your perceptions has more to do with what's going on in your head, than the physical nature of the phenomenons you witness. I would think you'll find most of it in an entry level psychology book.
That sound will change physically with only slight changes to the positioning, is something you can check yourself with a mic and the right software. Or you could find the phenomenon described and illustrated in a number of hi-fi discussion groups...
I have referenced a number of studies of jitter, google jitter and you will find plenty of science behind the theory.
If we have no exact memory of sound, how do I remember what my wife's voice sounds like so I know it is her on the phone? How do I still recognise old friend's voices? How do I know that the music at work from an Aiwa mini system is worse than my home hifi? That is not perception of sound, that is memory of sound. You also continually fail to produce any sepecific reference.
You advocate measuring sound from a mic with software, but ignore measurements of jitter with software, why? You make out slight movements of the head can have an effect (not with headphones), but ignore the slight effects of jitter. Please give more reasoning for that.