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Please be easy on me if this is a dumb question. I’m just wondering if there are some Alpha models that are better than other ones at noise reduction. If there is such thing as that, please list some down for me. I greatly apprectiate your help. Thank you.
Actually there is little noise reduction on [...]

I am wondering what is the right Noise Reduction Rate (NRR) for shooting at the range. I’m trying to buy in bulk and found some decent deals but i need to know what to get. I keep hearing NRR32 is pretty good but i don’t know.
I just went through a bunch of this for some [...]

What is the best sounding wired cell phone headset that i can buy (bluetooth)
I want something with a very high quality noise cancelation. I need
to use it in my car where noise is an issue.
I am looking to see what the reviews recommend.
Ya, amazing gadget. Plantronics 510 and BlueAnt Z9i

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and should you in low light photography for example?
here is the thing- when you use the in camera noise reduction, you have to wait for it to process for as long as whatever your shutter speed is. if you are shooting at 1/120th then thats how long you will have to wait after [...]

A. Noise reduction increases with an increase in the transmission loss of the wall separating the two rooms.
B. The stiffness of the wall has little effect on noise reduction
C. To improve noise reduction, you should place absorptive materials on both sides of the all
D. An increase in wall area separating the two rooms is detrimental
A. [...]

Okay, so I just bought a 1080p HDTV. There’s a setting in the menu called "DNR." I tried looking up info over what it is. I’ve come to the conclusion that it’s "Digital Noise Reduction." From what I’ve researched though, no site offers a clear explanation over what it really does. Does anyone know what [...]

I would like to know if anyone knows if foam padding is any good to stop noise thrugh a window? or if anyone knows of something else that would work.
The stuff that looks like egg crates works good. You want something shaped like that so it will break down the sound waves. You will never [...]

Yanmar A/Cool Diesel Genset…loud noise level.
hi,, instead of extending, connect a second muffler. or find a two stage mufler for it.. good luck

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Is there a noticeable difference in noise level?
passive is simply the old fashioned blocking out sound with material such as rubber, styrofoam and whatnot
active noise reduction means a chip analyzes incoming frequencies and emit the same one back to cancel it out before it reaches your ear.
There is indeed a noticeable difference in noise [...]

I’ve got an old Noise Reduction Unit used to remove background noise when transferring records to tapes. Can a noise reduction unit be used to reduce background noise from a mic at the moment of recording?
Here is some information:
TEAC AN-60W
NOISE REDUCTION UNIT
100-240VAC, 50/60Hz, 2.5W
The Teac appears to be a Dolby encoder/decoder [...]