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| ETERNAL |
 Posted: Tue May 25, 2010 1:08 pm Post subject: |
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Joined: 01 Aug 2005
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Location: Dreamland
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Ezly:
Aku ni takder la bijak pandai..
tapi aku nak jawab gak soalan ko.. ahaha...
Acoustic Foam tu bukan untuk soundproofing... kalau dia boleh buat soundproof.. mesti la nama dia soundproof foam.. hehe..
Soundproofing bermaksud kita mencuba untuk menghalang bunyi supaya tidak keluar dari sesebuah kawasan... tapi tak bermakna bunyi akan terhalang 100%...
Langkah Soundproof yang paling mudah adalah memastikan ruang/lubang/celahan bilik tersebut adalah minima. Contoh seperti ciri2 bilik untuk pemasangan penghawa dingin... so jangan la pakai cermin nako plak...
Apabila semua ruang telah ditutup dengan rapi, pengudaraan akan menghadapi masalah. jadi lubang pengudaraan mesti disediakan... Samada lubang / kipas ekzos...
Langkah kedua... adalah material dinding, siling, lantai & etc...
Pastikan bahan2 ini adalah yang jenis menghalang bunyi ataupun menyerap bunyi...
Contoh: dinding batu padat yang dilapisi simen & pasir lebih menyerap bunyi dari dinding simen pasir biasa... (tak dapat dipastikan kebenarannya)...
Langkah2 lain aku tak tahu la.. haha...
Setelah soundproofing dilakukan, kita akan dapati kurangnya kebocoran bunyi dan ia akan menjadi lebih padat... dan maybe lebih bising...
Acoustic Treatment seperti menampal span dan kulit telur juga dapat membantu... tetapi tak memberi impak yang sangat besar...
Ia juga dapat memberi kesan negatif...
Room acoustic berbeza bagi setiap bilik berdasarkan saiz, material bilik.. malah barang2 yang berada didalam bilik juga mampu menyerap bunyi dan mempengaruhi room acoustic...
jadi sebarang pengubahsuaian dari segi bentuk, material, susunan barang, sedikit sebanyak akan mempengaruhi nya..
menampal span di dinding hanya mengurangkan lantunan bunyi...
jadi jika semua lantunan / gema dikurang kan.. sedap ke bunyi nya..
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| Jiro |
| Posted: Tue May 25, 2010 2:46 pm Post subject: |
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Location: Shah Alam
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| ETERNAL |
| Posted: Tue May 25, 2010 4:00 pm Post subject: |
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Location: Dreamland
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| Jiro wrote: | | MESTI LA SEDAP!!!! |
headroom kena jaga bro... haha
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| Jiro |
| Posted: Tue May 25, 2010 7:38 pm Post subject: |
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| ezly |
| Posted: Mon May 31, 2010 12:45 pm Post subject: |
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Joined: 02 Feb 2010
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TQ bro Eternal,
| Quote: | Contoh: dinding batu padat yang dilapisi simen & pasir lebih menyerap bunyi dari dinding simen pasir biasa... (tak dapat dipastikan kebenarannya)...
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aisey, contractor baru aje naikkan dinding kat bilik tu.. aku pilih batu pasir pulak.. hmmm....
nak mintak komen pasal ini pulak... ada betul ke contraktor tu kata... dinding dah ada, cermin/ tingkap takde langsung, pintu aku buat 2 lapis, lubang2 nanti aku tutup mana2 yang patut...
contraktor ada cadangkan, tepekkan styrofoam atau fibre ekzos motosikal pada area dinding tu, dan kemudian lapikkan dengan plywood, dan kemudian tepekkan lagi dengan egg crate... betul ke apa yang dicadangkan tu?? atau salah konsep...
minta komen... betul ke cara ni? |
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| ETERNAL |
| Posted: Mon May 31, 2010 2:55 pm Post subject: |
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that would be considered as room in a room method...
the idea is to create a space between 2 walls...
for wall material and extra materials... i dont know much.. sorry
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| gbonE |
| Posted: Tue Jun 01, 2010 1:31 am Post subject: |
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Joined: 24 May 2006
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Location: jhor
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room-in-a-room method
fibre exzhaust tu boleh pakai..carefull handling with it..tajam
how thick between concrete/stone wall punye gap?
normally 4inches will do..but plywood yg nk top layer tu jgn terlalu tipis..amek yg dlm 4-5mm..tebal n safe bile org sandar or letak equipment
dari pakai kotak telur tu..better ko buat acoustic panel..simple je..buat square frame..letak plywood on top..letak foam..any foam..cheap pon boleh..then wrap ngan kain kusyen yg mcm baldu tuh
mahal sket..tp boleh portable
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| ezly |
| Posted: Wed Jun 02, 2010 9:58 pm Post subject: |
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Joined: 02 Feb 2010
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tq for the tips guys.
dinding bata dah naik.. maybe end of this month baru siap... nnti aku update status projek aku ni...  |
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| Mixboy2105 |
| Posted: Thu Jun 03, 2010 12:18 am Post subject: |
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Joined: 21 Oct 2005
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| ezly wrote: | errr... takde sape2 nak tolong ke?? 
acoustif foam ni perlu ke ditepek kat selurah ruang dinding?? |
NO!!!
If you do that you will end up with a muddy, dull sounding room. Acoustic foam only absorbs upper-mids and high frequencies. Helping prevent reflections WITHIN a room.
It DOES NOT have enough MASS (jisim) to stop sound waves from escaping outside. The only effective method is by the combination of mass + airspace. For that you need either bricks or multiple layers of gypsum/cement board and rockwool.
An equally important point besides the type of material used is WHERE you put it. How you position the layers of rockwool and boards make a HUGE difference of the total Noise Reduction Coefficient (NRC) of the wall assembly.
Two BIG question are ...
1) DO YOU REALLY NEED A ROOM WITHIN A ROOM?
2) CAN IT BE PRACTICALLY AND EFFECTIVELY DONE?
I hope your consultant knows what he is doing. Because if you've built up your walls and it still leaks low frequencies ... you're basically screwed. There's no way to fix it except to tear it down and rebuild from scratch. Do post some pictures so we can take a look.
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[Record Producer/Mixer/Recording Engineer]
Studio 21:05
http://www.myspace.com/studio2105
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| Mixboy2105 |
| Posted: Thu Jun 03, 2010 12:27 am Post subject: |
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| gbonE |
| Posted: Thu Jun 03, 2010 11:45 am Post subject: |
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Joined: 24 May 2006
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Location: jhor
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thanx JD much appreciated..i've always lost the thread on jamtank..thanx for the link!!
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| ezly |
| Posted: Thu Jun 03, 2010 5:39 pm Post subject: |
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Joined: 02 Feb 2010
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guys,
how much is the price for a bag of Rockwool????
my contractor quote me RM100 per bag of Roxul Rockwool.... (5 pieces of ROckwool per bag)
is it expensive???
help guys... i'm about to pay rm1000 tomorrow for 10 bag of Roxul Rockwool.... |
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| Mixboy2105 |
| Posted: Fri Jun 04, 2010 5:01 am Post subject: |
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Joined: 21 Oct 2005
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Location: Kuala Lumpur
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| ezly wrote: | guys,
how much is the price for a bag of Rockwool????
my contractor quote me RM100 per bag of Roxul Rockwool.... (5 pieces of ROckwool per bag)
is it expensive???
help guys... i'm about to pay rm1000 tomorrow for 10 bag of Roxul Rockwool.... |
The last time I did my studio build, it was cheaper, around RM80+. Building material prices however can fluctuate greatly depending on the economic climate so it might be more expensive now.
Do you know you can actually order directly from Roxul if you are buying in bulk?
_________________
[Record Producer/Mixer/Recording Engineer]
Studio 21:05
http://www.myspace.com/studio2105
46A, Lorong Rahim Kajai 14,
Taman Tun Dr Ismail, 60000 Kuala Lumpur.
MALAYSIA
T: +6016-364 8510
O: +603-7710 2105
E: studio2105@yahoo.com
BBM 213A6E77 |
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