Surround Sound - Air Conditioner Problem - AVS Forum
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post #1 of 21 Old 06-16-2013, 08:42 AM - Thread Starter
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Hello all,

I have a rather big problem that I am trying to solve with my home theather setup. I have a very small room that gets pretty warm. I have a sony xbr9, Yamaha receiver, and a 5.1 polk speaker system. In the summer I have portable air conditioner in the room because the room gets really warm. When the air conditioner is on, I cannot hear the dialogue from movies. When I turn the sound up so that I can hear, the background noise and surround sound becomes too loud. I upgraded the center channel to a big speaker thinking this would solve the problem. I used the microphone included with the received to try and calibrate the speakers with the air conditioner on, however it will not configure because the background noise is too loud. I tried going back to the tv speakers with the air conditioner on and I can at least hear the dialogue better, however the sound is not as good. I have also tried different preset on the received however none of them helped. If anyone has any ideas or suggestions, I would greatly appreciate. Thanks in advance.
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post #2 of 21 Old 06-16-2013, 09:34 AM
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The only way I know of to get the sound level down to where it is not a problem is to have a central A/C with the compressor outdoors on a concrete slab or steel frame.
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post #3 of 21 Old 06-16-2013, 09:57 AM - Thread Starter
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Thanks for your suggestion. Maybe instead of looking for a solution for the HT system, maybe I will look into a solution to quite the noise from the air conditioner.
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post #4 of 21 Old 06-16-2013, 10:27 AM
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Not sure which Yamaha receiver you have but you should have the capability to boost the center channel manually. Calibrate with the a/c off and then go into the setup menu, use manual setup and go to the level settings. Once there you should be able to adjust center from -10 to +10. Try boosting up the level and see if that helps.
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post #5 of 21 Old 06-16-2013, 10:52 AM - Thread Starter
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Thanks for the suggestion. I did try and boost the levels of the center speaker a little but it didn't help. It seems like all sounds are coming out of the center speaker and not just dialogue/voice.
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post #6 of 21 Old 06-16-2013, 01:23 PM
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Try and enable Dynamic Range Control or DRC.

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post #7 of 21 Old 06-16-2013, 01:33 PM
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Quote:
Originally Posted by rcmjr View Post

Thanks for your suggestion. Maybe instead of looking for a solution for the HT system, maybe I will look into a solution to quite the noise from the air conditioner.
You need an AC that has the compressor outdoors.

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post #8 of 21 Old 06-16-2013, 02:44 PM - Thread Starter
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Thanks for both of your suggestions. I wish the compressor was outside. I think that would solve a lot of my problems. I will try to enable the setting that you mentioned above. Thanks again.
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post #9 of 21 Old 06-16-2013, 05:18 PM
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what's your air conditioner? Is it an old or new unit? I know their are modern portable AC units that are pretty quiet.
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post #10 of 21 Old 06-16-2013, 06:02 PM - Thread Starter
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Its a portable air conditioner actually, and its pretty loud. Its in my "man cave". We dont have central air in that room. Its so bad that I have to hold the remote while watching a movie, to keep turning the sound up and down.LOL
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post #11 of 21 Old 06-16-2013, 06:39 PM
 
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A mini-split would be better, or fix the problem, by as previously suggested, getting Central air into that room, so that you do not have any mechanical's in there making noise.
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post #12 of 21 Old 06-16-2013, 06:49 PM - Thread Starter
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Thanks for the suggestion. I wonder when using the tv speakers I can hear the dialogue better with the AC on?
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post #13 of 21 Old 06-16-2013, 06:51 PM
 
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Because the tv speakers are mid to high, and not worth a crap.
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post #14 of 21 Old 06-16-2013, 08:39 PM
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Your receiver may have a dialog boost or "nighttime" feature that boosts dialog relative to effects (it basically reduces dynamic range) that could help. Is this a through-window A/C or what sort of portable unit? I've seen some that use a long hose to blast in cool air, but where you could put the compressor/fan unit 10 to 20 feet down a hall and just run the hose to the door.
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post #15 of 21 Old 06-17-2013, 03:35 AM - Thread Starter
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Thanks for all the comments. Its a portable ac with a window kit for the hose. Unfortunately the room is pretty small and it is near the tv. I did not find a nighttime feature, but I did find the dynamic rang option. It was set on MAX. I lowered it down to low/auto. I'm going to see if that helps. Thanks again for all of the suggestions.
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post #16 of 21 Old 06-17-2013, 05:56 AM
 
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The problem is that you have the motor in the same room as you are, which increases the noise threshold. A mini-split would be a lot more quiet, or going with a zoned unit for your home's hvac would also help. Without anyway of pulling the air back out of that space, you are doing nothing, but moving air around the room. Especially if the door is kept closed.
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post #17 of 21 Old 06-17-2013, 06:19 AM - Thread Starter
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Thanks for your suggestion. I am going to work on getting it outdoors. In the mean time I have just been trying to get it where I can at least hear the talking in a movie without turning the sound up and down all the time lol.
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post #18 of 21 Old 06-17-2013, 06:20 AM - Thread Starter
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I can hear TV just fine. The problem is mostly during movies that use the full surround sound functions.
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post #19 of 21 Old 06-17-2013, 06:39 AM
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Get a long extension cord and plug it into an out let in another part of the house that is on a deferent circuit and see what happens. You may be hearing something called back EMF from the AC unit.
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post #20 of 21 Old 06-17-2013, 08:12 AM
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Quote:
Originally Posted by Phil17108 View Post

Get a long extension cord and plug it into an out let in another part of the house that is on a deferent circuit and see what happens. You may be hearing something called back EMF from the AC unit.
The problem is that the compressor is in the room. With standard window or sleeve mounted AC the compressor is outside the room, so the only major noise source is the circulation fan. If you want to know what he's hearing turn on your AC, go outside and stand near it.

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post #21 of 21 Old 06-17-2013, 12:03 PM - Thread Starter
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Thanks for all the help. Are there any other settings that I can change in the receiver that would help? I'm going to test tonight with the dynamic range setting turned down to low
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