ABOUT STEREO QUESTIONS NOT ASKED YET?
Is the stereo system enough to produce reliable stereo image and is it, in theory even, capable to produce identical /real sound?
The answer author should like to amend with his own definition what he considers „the trusty sound” and what „the real sound”
REALITY is subjective feeling of trust in actual acoustic environment where one stays. He may stay in the same compartment where sound is produced or next to it. It incorporates full information about sound produced and about the acoustic characteristic of room where sound is produced. Listener is aware about sound existence in room and room by amending it’s reflections to sound becomes part of a listening reality.
IDENTITY of sound is coherence of what the audio system delivers with speakers with what is heard in environment where it has been recorded. Acting toward IDENTITY in reproduction of sound forces stripping the room of it’s own acoustic (damping similar to non-echoic chamber) and thus strips of the outer reality. Sound of instruments stripped of the reflections is dry and without filling of subjective presence.
Lets go to the point: when targeting the trust of sound it is forbidden to amend in visible way amplitude/frequency curve. The frequencies differing much in phase should differ minimum two times in frequency (so that it may be perceived as two different tones and not chord). It’s frequency band is supposed not to exceed human’s perception ability. The reason of this is that heard frequencies are in connection to physical dimensions of objects producing them in nature and which are passing information about size. The frequencies out of that range even if they are received by listener are not fully readable. It is worth notice that listening in closed compartment amends range toward natural decrease (in nature high tones are consumed or dispersed by almost all things), understandable and improves psychical comfort.
STEREO INVESTIGATION
Our desired outcome :
Real outcome
difference φ = 0 when distance L = distance R
At drg. 1 as we can observe it is impossible to get it for two ears instantly. If for simplifying we calculate this difference according to drawing as distance between ears x sin 45% it shall be about 14 cm. If we search for the frequency which is most affected by (-180)deg phase it shall be 28 cm – near 1 kHz.
Conclusion is that for length of wave 28 cm we are getting worst condition – else one ear gets full volume and other „O” and stereo image is unexpectedly waving, or in symmetrical situation it shall affect 1 kHz simply in both channels – decreases the identity of reproduction For all other frequencies it is straight proportional to frequency and difference of distance and produces interference.
In contra to stereo, mono reproduction with one speaker produces phase differences which are a vital part of information about direction identical as in natural listening and is 100% understandable.
Conclusion is that only mono system with one speaker localization may achieve completely trusty and real performance. For mono listening, when facing the speaker, dif φ = 0 . It is because one speaker cannot produce the same harmonics with two phases.
In case of multichannel reproduction effect of interference shall be condensed but it does not mean more reality. Polyphony shall be worsened .
Mono sound
Mono listening
Stereo sound
WHAT IS LISTENER’S ADAPTATION TO COMPARTMENT?
It is unconscious learning of given listening room by listeners hearing sense. All induced by us amendments to acoustic environment are perceived only in limited, not long time. Then brain „learns” compatibility of room layout to room reflections and does not perceive the way his new visitors perceive it at beginning. That is the point to think about for audio salons. Customer shall never perceive the same in his not treated room as in treated salon..Anyway author would like to state that at home it shall be more real for him.
Perception of reality depends also on reverberation included in recorded material – strong and short, comparable to room reverberations, alter reality perception by superposition to listening room reverberations. Longer reverberations – (listening to live big concerts) nicely compose to them.
Somebody essentially lend a hand to make significantly posts I’d state. That is the very first time I frequented your web page and up to now? I surprised with the research you made to create this particular put up amazing. Great process!
wonderful publish, very informative. I ponder why
the other experts of this sector don’t realize this.
You should continue your writing. I am confident, you have a great readers’ base
already!
I’ve been surfing online more than 4 hours today, yet I never found any interesting article like yours. It is pretty worth enough for me. Personally, if all site owners and bloggers made good content as you did, the web will be much more useful than ever before.
Hi there to all, how is the whole thing, I think every one is getting more
from this website, and your views are nice designed for new visitors.
Hi there, after reading this amazing piece of writing i
am as well delighted to share my familiarity here with friends.
What you said made a lot of sense. However, think on this, what if you wrote
a catchier title? I mean, I don’t want to tell you how to run your
website, but suppose you added a title to possibly get folk’s attention? I mean STEREO QUESTIONS NOT ASKED YET?
| Michal Czabajski D.I.Y. Non Fatigue Sound System
is kinda plain. You should glance at Yahoo’s front
page and note how they write post titles to grab people interested.
You might add a video or a picture or two to grab people interested
about everything’ve written. In my opinion, it would bring your blog a little livelier.
Hi there, You’ve done an incredible job. I’ll definitely digg it
and personally recommend to my friends. I am sure they’ll be benefited from this website.
Hi there, I found your site by the use of Google at the same time as
looking for a comparable matter, your website came up, it seems great.
I’ve bookmarked it in my google bookmarks.
Hello there, just changed into aware of your weblog thru Google, and found that
it is truly informative. I’m going to watch out for brussels.
I will appreciate if you happen to proceed this in future.
Lots of folks can be benefited out of your writing. Cheers!
Pretty nice post. I just stumbled upon your weblog and wished to say
that I have truly enjoyed surfing around your blog posts.
After all I will be subscribing to your rss feed and I hope you
write again very soon!
Hi, brilliant recommendation and an exciting article, it’ll be interesting if this is still the case in a few years time
This has to be my second favourite piece of writing in the last few days, i’m
not able to’t inform you the top, it may offend you!
I have read a few just right stuff here. Definitely worth bookmarking for revisiting.
I wonder how a lot attempt you put to make any such fantastic
informative web site.
Greetings from Colorado! I’m bored at work so I decided to check out
your blog on my iphone during lunch break. I really like the knowledge you present here
and can’t wait to take a look when I get home. I’m amazed at how quick your blog
loaded on my mobile .. I’m not even using WIFI, just 3G ..
Anyhow, excellent blog!
terrific use of language in the writing, it in reality did help when i was surfing around
great submit, very informative. I’m wondering why
the opposite specialists of this sector don’t realize this.
You should proceed your writing. I am confident, you’ve a
huge readers’ base already!
We absolutely love your blog and find nearly all of your post’s to
be exactly what I’m looking for. Do you offer guest writers to write content to suit your needs?
I wouldn’t mind composing a post or elaborating on a number of the subjects you write concerning here.
Again, awesome weblog!
Visit my homepage :: LeighIBatson
I just want to mention I am just all new to blogs and absolutely loved you’re page. More than likely I’m want to bookmark your blog post . You actually come with perfect writings. Many thanks for sharing your website page.
I just want to say I am very new to blogs and really enjoyed you’re web-site. Very likely I’m planning to bookmark your site . You absolutely come with exceptional posts. Regards for revealing your webpage.
l like any good content
Just ⅾesire to say ʏour artiｃle is as astonishing.
Tһe cⅼearness on your publish is simply nice and i ⅽߋuld supposе you are knoԝledgeable on this subjeϲt.
Well togethеr with your permissіon allow me to grasp your RSЅ feed to stɑy up to date with imminent post.
Thank you one million and please carry on the ｒewarding wоrk.
Ӏt’s remarkable to go to see this site and reaԀing the viewѕ of all mates about this paragraph, while I am also eager of getting exрerience.
Ꮇay I simply juѕt say what a relief tо uncover someone that truly knows what they are talкing about on the
internet. You certainly understɑnd how to bring an issue to light and makе it important.
More people shoսⅼd read this and understand this side of y᧐ur story.
I was surprised you aren’t more popular given that
you certainly possess the gift.
whoah this weblog is magnificent i really like reading your articles.
Stay up the great work! You recognize, many persons are hunting
round for this information, you could help them greatly.
Tһanks foг ones marvelous posting! I seriously enjoyed reading it,
yоu can be a great author. Ι will remember to bookmark your blog and
may come back doѡn the road. I want to encourage continue your great
work, have a nice afternoon!
This site was… how do you say it? Relevant!! Finally I’ve
found something which helped me. Thanks a lot!
I’m not that much of a internet reader to be honest but
your sites really nice, keep it up! I’ll go ahead and bookmark your website to
come back later. Many thanks
I’m not sure why but this blog is loading
extremely slow for me. Is anyone else having this problem or is it
a issue on my end? I’ll check back later on and see if the problem still exists.
Nice blog here! Also your web site loads up very fast!
What host are you using? Can I get your affiliate link
to your host? I wish my website loaded up as quickly as yours lol
Here is my webpage :: cialis online
very handful of internet websites that happen to be comprehensive beneath, from our point of view are undoubtedly well worth checking out
Hello, i think that i saw you visited my site so i came to “return the favor”.I’m
attempting to find things to improve my website!I suppose its ok to use some of your ideas!!
I just want to tell you that I am beginner to blogs and definitely liked you’re blog site. Probably I’m planning to bookmark your site . You really come with exceptional writings. Many thanks for revealing your website.
Very well written.
Very Good post. Perfect Job..
certainly like your web site however you need to test the spelling on quite a few of your posts. Many of them are rife with spelling issues and I in finding it very troublesome to inform the truth then again I¡¦ll certainly come again again.
you’re in reality a excellent webmaster. The site loading velocity is
amazing. It kind of feels that you are doing any distinctive trick.
Moreover, The contents are masterpiece. you have performed a fantastic job on this matter!
Hi there everyone, it’s my first go to see at this web site, and
article is actually fruitful designed for me, keep up
posting such content.
I am really glad I’ve found this info. Today bloggers publish only about gossips and web and this is actually annoying. A good website with interesting content, that’s what I need. Thanks for keeping this web site, I’ll be visiting it. Do you do newsletters? Cant find it.
Simply desire to say your article is as astounding. The clarity in your post is just great and i can assume you’re an expert on this subject. Fine with your permission let me to grab your feed to keep updated with forthcoming post. Thanks a million and please continue the gratifying work.
I think this is among the most significant information for me.
And i’m glad reading your article. But should
remark on few general things, The website style is
perfect, the articles is really great : D. Good job,
cheers