Walk-in soundstage

In my opinion, it takes several factors to fool the ear/brain system into believing that sounds, actually coming from a couple of speakers, really represent a walk-around sound-space.

My system/room was not fooling me sorry...

With the proper acoustics control of the system/room relation you are able to interpret and translate what is the many spatial information cues recorded by the sound recording engineer set of trade-off...

The recuperation of this acoustic information in the play back process by a well optimized system/room is not an illusion nor a placebo but resulted  from  a rigorous set of acoustics concepts ...

The best explanation is given by Edgar Choueiri...

I sold my house 3 years ago, abruptly, I had no picture ( it was homemade and if i had pictures you will laugh)  .

Anyway my point is not about my room but about the way Helmlholtz resonators well located and in bundle grid mechanically tuned as we tune a piano can use crosstalk to transmit  spatial information lost in "normal" system/ living-room..

Choueiri, it was my point, dont use crosstalk but suppress it and without distortion which is his main advantage and use head and aural measures to recover the acoustics of the recording in our room...

If you may listen his many articles or youtube interview it is enlightening...

When i discovered his information  i was spell bound...Then yes crosstalk can be used positively but at a price...

I will prefer Choueiri solution  i understand it enough to know it work ...

I used a form of mechanical crosstalk control in my past acoustic room...

But the between way is Choueiri way because it is proven there is no distortion of timbre with his filters and we recuperate a lot of spatial information loss...

My digital grid of 100 tuned resonators around my speakers and listening position was spectacular:  almost total suppression of the stereo speakers with good recordings...But there is a slight price to pay with some distortion of the tonal timbre...Anyway i was in acoustic heaven...

There is not this price to pay with Choueiri suppression of crosstalk,....

If you want to read someone who know a bit much than gear name and price and "colors" read Dr. Edgar Choueiri  articles and youtube videos and you will understand why audio is not about electronical design first but about physical acoustics and psycho-acoustics...

And you will understand why even honest reviewers miss the main point about audio...

I am interested by theoretical acoustics because speech mystery, hearing mystery,  are key to understand audio but especially ourselves as beings ...

https://www.theoretica.us/References/Immersive_Sound_(Excerpts_from_Chapter_5).pdf

When i read such thread i measure how much most people had no clue about acoustics concepts and parameters...

A walk in soundstage is a way to describe the balance ratio between  ASW/LEV parameters if we learn how to control them...

 I created it  in my first acoustical dedicated room with my "mechanical room equalizer " a grid of 100 Helmholtz resonators mechanically tunable but we need a recording very well done to achieve complete "walk in" like the Weil four penny opera with with Lotte Lenya for example... No room/ speakers controls replace recording trade-off limits and possibilities...A bad recording stay bad even in controlled environment...

 I could not create it in my near field  actual location for many reasons linked to the speakers  design limitations and the impossibility to use my grid of resonators in my specific location.. My resonators work on "timbre" perception  but not in the same way  on spatial qualities,bunched together in a very small room and not distributed in a larger room

Neither with  my headphone, even if they give me "out of the head speaker like impressions" i enjoy a lot ... The K340 save my life when i lost my room...

Gave me 7,000 bucks and i will buy the  " dac " or best said the acoustic set of filters tailored for your hearings created by Edgar Choueiri in a battling of the eye...

No need to create a tuned 100 Helmholtz resonators precisely located around my room and listening position... Which task i cannot do no more because i dont have the room for it now nor  i want to go redoing this tuning by ears arduous task again on many months ...