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Home theather / living room from scratch

 
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winny



Joined: 09 Oct 2013
Posts: 363
Location: Sweden

TV/Projector: BD808s, BG1209/2


PostLink    Posted: Tue Sep 08, 2015 11:56 am    Post subject: Home theather / living room from scratch Reply with quote


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I'm in the process of moving to a new apartment closer to work and this will give me a golden opportunity to make a good home theater from scratch. My original plan was black shagpile carpets, thick heavy black stage curtains for all walls and not wanting to paint the ceiling, use black tiles for downlight installation and to black out the ceiling from light scatter. My friend/interior decorator said something about "eternal single" so there will be some compromises.
I'm still learning solidworks, but here is a 3D sketch I made.


Oh, and although I do have a job and make money, I might be the least well-paid here on the forum where people can spend ridiculous amount of money on the latest projector, permanent installs and gigantic home theaters, which I can't. Need money for the rest of the furniture as well.

The living room is 3.63 x 5.42 meter. With the screen down, it will be tight.

Perhaps a corner sofa, like IKEA 3+2 Norsborg, http://www.ikea.com/gb/en/catalog/products/S99125223/#/S19125203 would make it more of a living room?


A triple curtain rack around all four walls would allow me to darken everything and damp the sound in HT mode and push all of them to one wall for normal living room use. They can hold 5 kg/1.4 meter so no risk of overloading them either. http://www.ikea.com/gb/en/catalog/products/80079363/


Two 2x3 meter rugs will cover almost all of the floor and perhaps dark brown is a good compromise between a living room and light reflection? http://www.ikea.com/gb/en/catalog/products/40230650/


Any suggestions?



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Last edited by winny on Tue Sep 08, 2015 1:01 pm; edited 2 times in total
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kal
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Joined: 06 Mar 2006
Posts: 14313
Location: Ottawa, Canada

TV/Projector: JVC DLA-RS56


PostLink    Posted: Tue Sep 08, 2015 12:31 pm    Post subject: Re: Home theather / living room from cratch Reply with quote

winny wrote:
...thick heavy black stage curtains for all walls ...

That would probably overdampen the room. Typical HT acoustics has you being absorptive below ear level and reflective above (while seated). Some will dampen the entire screen wall too.

Good luck!

Kal

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winny



Joined: 09 Oct 2013
Posts: 363
Location: Sweden

TV/Projector: BD808s, BG1209/2


PostLink    Posted: Tue Sep 08, 2015 12:52 pm    Post subject: Re: Home theather / living room from cratch Reply with quote

kal wrote:
That would probably overdampen the room. Typical HT acoustics has you being absorptive below ear level and reflective above (while seated). Some will dampen the entire screen wall too.


How come?

Yes, all four walls will have curtains.

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kal
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Joined: 06 Mar 2006
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Location: Ottawa, Canada

TV/Projector: JVC DLA-RS56


PostLink    Posted: Tue Sep 08, 2015 1:03 pm    Post subject: Re: Home theather / living room from cratch Reply with quote

winny wrote:
How come?

What part are you asking about? Why that would probably overdampen the room? Why typical HT acoustics are absorptive below ear level and reflective above (while seated)? Or why some will dampen the entire screen wall as well?

The why's and how's for all of these are are pretty in-depth discussions to get into - you can start reading a bit over at the AVS Forum "Dedicated Theater Design & Construction" section here: http://www.avsforum.com/forum/19-dedicated-theater-design-construction/

Or take a look at this "Practical Guide to Home Theater Acoustics" which pretty much summarizes everything into an easier to read format: http://www.curtpalme.com/PracticalHomeTheaterAcoustics.shtm

Quote:
Yes, all four walls will have curtains.

That's a common approach that many people think they should take, but tends to completely overdampen a room. You want some reflection, otherwise the room sounds overly dead. If you take a look around our forum here at pictures people have posted, many will build panels and only partially cover the walls, like this:



Kal

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winny



Joined: 09 Oct 2013
Posts: 363
Location: Sweden

TV/Projector: BD808s, BG1209/2


PostLink    Posted: Tue Sep 08, 2015 1:18 pm    Post subject: Re: Home theather / living room from cratch Reply with quote

kal wrote:
What part are you asking about?

Why you wouldn't want dead acoustics? When I'm in a cinema, it sounds far from re-vibrant (is that a word?), although not as dead as an acoustic dead room. I have had the opportunity to visit one 10*10*10 meter which was suspended from the building too and it was uncanny silent to the extent your own heartbeat became too loud to be comfortable.

I'll try to plow though your links. With curtains it will be easy to change them if needed, but making the walls black should lower the light scatter even if they are too thin to dampen any sounds.

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kal
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Location: Ottawa, Canada

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PostLink    Posted: Tue Sep 08, 2015 2:32 pm    Post subject: Re: Home theather / living room from cratch Reply with quote

winny wrote:
kal wrote:
What part are you asking about?

Why you wouldn't want dead acoustics?

Because it doesn't sound good. There is zero liveliness to it, no ambiance. Not sure how well to explain it.

Kal

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winny



Joined: 09 Oct 2013
Posts: 363
Location: Sweden

TV/Projector: BD808s, BG1209/2


PostLink    Posted: Tue Sep 08, 2015 2:53 pm    Post subject: Reply with quote

Interesting. I come from the live sound world where you never have too little acoustics (on stage in particular) so more damping = better.

Would it be a better compromise with thin black cloth on the walls, shagpile floor and hard black panels under the ceiling?
With three curtain racks I would still have the option to fabricate acoustic panels to hang behind the fabric if needed.

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kal
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Joined: 06 Mar 2006
Posts: 14313
Location: Ottawa, Canada

TV/Projector: JVC DLA-RS56


PostLink    Posted: Tue Sep 08, 2015 6:13 pm    Post subject: Reply with quote

winny wrote:
Would it be a better compromise with thin black cloth on the walls, shagpile floor and hard black panels under the ceiling?

A thin black cloth stretched on the wall won't do anything.
Without knowing what you mean exactly about the other things (ie: Their acoustic properties), I can't really comment.

Kal

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winny



Joined: 09 Oct 2013
Posts: 363
Location: Sweden

TV/Projector: BD808s, BG1209/2


PostLink    Posted: Tue Sep 08, 2015 6:14 pm    Post subject: Reply with quote

kal wrote:

A thin black cloth stretched on the wall won't do anything.
Without knowing what you mean exactly about the other things (ie: Their acoustic properties), I can't really comment.


It will reduce light backscatter Smile

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winny



Joined: 09 Oct 2013
Posts: 363
Location: Sweden

TV/Projector: BD808s, BG1209/2


PostLink    Posted: Fri Sep 11, 2015 6:45 am    Post subject: Reply with quote

How about damping the ceiling and floor with acoustic panels and thick carpet?
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WanMan



Joined: 19 Mar 2006
Posts: 10091



PostLink    Posted: Wed Sep 23, 2015 5:57 pm    Post subject: Reply with quote

I'm not trolling.

Yes I am.

No I'm not, but I have to wonder about dampening the spectator that is watching/listening. Kind of like wearing black ski mask and scarf. How much reflection, acoustically speaking, does a human generate? How about four humans?

And lastly, how much of this matters to the individual who hasn't had their ears tested in a long, long time?

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malika



Joined: 03 Feb 2017
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PostLink    Posted: Tue Feb 14, 2017 10:07 am    Post subject: Reply with quote

I shifted to new home and it is having basement.
Is it a good idea to have it in basement?
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