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Studio Acoustics & Construction

Sound isolation - dealing with HVAC ducts

OK, so I'm planning a room. It's a 15x30 basement room. Along the 30 foot length, there are is one HVAC duct on each side running along the ceiling with vents into the living room above. I have the ceiling pretty much figured out except how to deal with these ducts. I have other ventilation plans so I won't be using them. I just can't figure out for the life of me how to insulate them for sound isolation. I can't move or modify them.

Thanks in advance for any suggestions.

Practice mixer

Hi guys,

I have an Alesis crimson ii, and use a Behringer 250watt amp. I have a small practice room in the garage and currently just using my smartphone to play backing tracks through, I am absolutely useless when it comes to technology -so do I need a mixer? It's just me drummin away so i wouldn't want anything too fancy but i think it could all sound better? Any help or recommendations would be great! Thanks

Building home studio in shipping container

Building a home studio, but this is what i'm working with, looks like there's no two-ways about it in terms of budget, location etc.:

-Building it in a shipping container. Yup, that's right. About 20'x6.5', height around 6.5'-8'
-Budget for sound-proofing and acoustic treatment: around $7,000 maybe could go a little more.

Anyone have any ideas how to do this right? And i will NOT be reading Rod Gervais's book before this, mainly because of time.

Front and Rear of Control Room

In 1978, when I was a grad student at North Texas, we were installing a new master control room for the College of Music. Back then, the discussion had to do with contrasting front and rear wall treatments. Our room was designed with a live front, monitors mounted on a wooden wall, with the rear wall deadened by at least three feet of soft insulation. Some designers, back then, thought you should have the opposite, speakers on a dead, no reflection, wall with a live, reflexive wall behind you.

Building a room within a room on a floating floor solutions

Hello! I have an impact noise attenuation question.

If I build a room within a room on a floating floor using a Mason spring jack type system, will this make low frequency impact noise coming from an upstairs neighbor practically inaudible at night (assuming it’s done properly)? I live in a high-rise (an upper floor) cast concrete apartment building with 8-inch(20cm) slabs and I am concerned about noise coming from dragging the furniture on tiles and laminate floor at night coming from an inconsiderate neighbor (I don’t have access to the noise source to treat it there).

Home Studio Setup

I don't anticipate I will be able to soundproof it much, but more concerned with getting the room ready for mixing.

What would you recommend I do for the acoustical aspects to making the room acceptable for mixing?

The room size is 11'4" x 11'.8" x 9' ceiling. (Not ideal, I know.)

Also, if I'm not soundproofing the room, would it make any different if I installed a sound room double door?

My recording room mods, and a question about the spectrum

I'm setting up a converted garage to record voice. The room dimensions are 22'9" x 23'2", with an eight-foot ceiling.

I live near an industrial property that produces noise. In particular, there is the sound of a piece of industrial machinery at around 240Hz, and the back-up warning beeping of construction vehicles.