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Hello, is 1 dB difference large?

vintagetree

vintagetree

Active Member
Hello, I measured the sound of right and left speakers with phone meter app, using pink noise, found there is one dB difference. And that is why I was going to measure them, I feel the sound unbalanced between.

Wondering if one dB great enough to hear the difference?

Thanks.
 
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vintagetree said:
Hello, I measured the sound of right and left speakers with phone meter app, using pink noise, found there is one dB difference. And that is why I was going to measure them, I feel the sound unbalanced between.

Wondering if one dB great enough to hear the difference?

Thanks.
Click to expand...

Seems like you're the one who should be telling us if it's a big difference. Play a mono track and see.
 
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If you have something else to compare it to most people will hear a change but not be able to describe it. Usually it takes 3 db difference of change "without" a reference before people finally wake and say there is a change. I mean if the singer i supposed to be in the middle between to speaker and you are sitting equal distance between the speakers you can easily hear a 1 db change. If you're not quite equal distance its even easier to hear a change even though may not be able to describe it. Why because the center image won't be as focused in the first place. Its also harder with point source speakers because the sound is reverberant in nature at listening distances. With big horns and line arrays the change is very noticeable.
 
A 1 dB difference tolerance between channels is very common with phono cartridges and actually, probably in other components,too. If that's all there is, I would stop worrying about it and balance the channels with the balance control. What dcmfan said is true, too. Speaker placement and room effects can influence perception. With my quad system, I have to have the balance controls favored to the left a bit because the two right channel speaker stacks are against a wall and the left channel stacks are not.

Doug
 
Coolhandjjl said:
I was always under the impression that a 3dB change was needed for one to notice a difference.
Click to expand...
As @opnly bafld noted, 3dB is noticable by almost all a a ing of power. A doubling or halving of distance creates. 6dB change

For perceived loudness a 1dB change is about a 7% change. A 3dB change is about a 23% change, and 10dB is a 100% change and requires 10 times the power.
 
Last edited:
vintagetree said:
Hello, I measured the sound of right and left speakers with phone meter app, using pink noise, found there is one dB difference. And that is why I was going to measure them, I feel the sound unbalanced between.

Wondering if one dB great enough to hear the difference?

Thanks.
Click to expand...

Certain stereo tracks can make one side sound less prominent then the other as I can hear it on certain tracks. Try switching the speakers around to see if its not the speakers.
 
Semanon said:
As @opnly bafld noted, 3dB is noticable by almost all and requires a doubling of power or halving of distance.

For perceived loudness a 1dB change is about a 7% change. A 3dB change is about a 23% change, and 10dB is a 100% change and requires 10 times the power.
Click to expand...
How is “ perceived loudness” determined?
 
Was the OP misunderstood? I dont think he was asking about 1dB absolute value, but rather difference. Its logarithmic. xdB to x+1dB is not the same as say xmV to x+1mv. when graphed.
 
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