Speakers sound resonance / distortion

BigfootN · Apr 16, 2016

Hello,

I own companion 20 pc speakers and I am quite happy with the sound quality. The only problem is when I play some music, with what seems a frequency problem. For example when playing this song around 20 - 30 sec I can hear the sound that trembles a bit, like if the walls were trembling.

To be honest, I am not a sound expert, so I hope I made myself clear enough. From what I read over the internet, distortion seems to be the right term for describing my problem.

My motherboard is a z97k and I run linux, hoping this helps if it has anything to do with it.

So, is there anything I can do to resolve my problem ?

Thank you very much in advance

trygas · Apr 18, 2016

BigfootN :

If your actually talking about real walls then maybe it's a room resonance problem. If you have the same problem with different songs it might be your speakers... Make sure you know where the distortion is coming from... The speakers? The Room? hope it helps

BigfootN · Apr 18, 2016

trygas :

Thank you very much for answer

After some research I found out that it may come from a metallic bar situated right underneath my wooden table. As a result I decided to buy something like that.

The item hasn't arrived yet, so I haven't had the chance to test it yet. If you have any better suggestion, I'm open

Thank you again in advance

trygas · Apr 18, 2016

BigfootN :

trygas :

Thank you very much for answer

After some research I found out that it may come from a metallic bar situated right underneath my wooden table. As a result I decided to buy something like that.

The item hasn't arrived yet, so I haven't had the chance to test it yet. If you have any better suggestion, I'm open

Thank you again in advance

Yeah might resolve it, placing your monitors on something that eliminates the speaker from adding vibration onto your table might help ... (if your speakers are on the table). Covering the metal bar with a cloth or something might help too. You might want to try a placing the monitors on a towel first to see if the vibration is the problem.

BigfootN · Apr 20, 2016

So, after some research I found out that the problem came from the basses. As a result, I installed an equalizer, lowered the 125Hz frequencies and no more vibration/parasite noise. So, there's a probable chance that the problem might come from the room/walls creating a resonance.

Also let me add that it is quite sensitive since I almost had to suppress the basses to be able to have an acceptable sound (with no resonance).

Again I am no sound expert so this is only information I gathered from the internet, so I may be completely wrong, in which case let me know

So, by adding foam on the walls may it help to reduce the resonance ? Or would it be completely useless ?

Thank you very much in advance for any help

[EDIT]

In order to add more information here is a quick overview of the room :

Where E1 and E2 are the two speakers

[/EDIT]

trygas · Apr 20, 2016

I see your problem, your having the flow frequency reverb problem. The low frequencies are building up in the corners of your room. Your desk and speakers are not situated in the ideal position. I think you are to close to the left top corner and left bottom corner. Normal Foam won't help you with your problem to much, because the foam will usually be good for mid and high frequencies (not the lows).

What you need are bass traps.

Check these out: http

/www.auralex.com/products/bass-traps/

Solution:
1. Re-position your desk (if possible)
2. Use Bass traps in the two left corners

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Speakers sound resonance / distortion

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