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Old 30th November 2011, 06:03 AM   #1
andy2 is offline andy2  United States
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Default Sound resolution as in sound pressure?

I'd like to discuss "sound resolution" but at a different way that it has been discussed. Every time someone said well cables or CD players don't make much difference, the often response would be well the system does not have enough "resolution" to let the differences through. That statement sort of implies the "resolution" whatever it is mostly resides within the electronic domain.
But what about "resolution" exists in sound pressure? I mean given the same sound output from the same system, if it were played in small room vs. a larger room, would the listeners notice the difference in resolution of the sound pressure? It's like looking at the mpeg picture - one zoom out vs. one zoom in? Given two pictures, it would be easier to tell if we were to zoom in in order to expose the differences. Just like placing a system in a larger volume of air to expose the system of any short comings.

So one the same system, the sound pressure would have more "resolution" in a smaller room but less "resolution" in a larger room?

This leads me conclude that (also from experiences) that in order to evaluate a system, it's better to evaluate it in a larger room than a smaller room. Any short coming will be amplified in a large room so it would be easier to tell.

Anyway, my 2cents.

Last edited by andy2; 30th November 2011 at 06:06 AM.
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Old 30th November 2011, 06:25 AM   #2
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Regarding big or little rooms, it has always been said that the speakers plus the room make the sound ,as discussed in many threads like the ' What's the ideal directivity for ...' or the latest ' Disappearing act'.
In fact , what your ears perceive is a complex sum of direct and reflected sound , and distances and minimum phase alterations may give some 'sculptored sound'
I like to make comparisons also between image and sound , but talking about
resolution the basic starting point would be a RAW not jpeg format for digital imaging. And also any uncompressed data streaming for any digital device.
The point is that speakers are the most distorting devices in the audio chain , but , as a 0.1 % THD may be acceptable for an amplifier , also a 5 % might sound good for a loudspeaker .
Well , depends how and in which band : being a vintage lover , I appreciate much of the last 40 decade speakers , which were very musical and accurate indeed , though this may happen at low voltages applied . Nowadays the systems are more specialized ...see subwoofer ,lo-mid, mid-hi ,tweeters ,they can handle more power , and also cabinets are presented in a way that they can nearly disappear ...
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