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In Reply to: RE: How to reproduce the full dynamics of a scissor cutting paper without clipping posted by morricab on April 21, 2017 at 01:23:44
I was wondering around the house and yard with a B&K 2204 SLM which has an impulse hold setting.
I was about 6 or 8 feet from where the spoon hit the tile, the sound level meter chest high.
Klang! Yes, my point though is that although that and slamming the car door were startling, one would have had NO idea how loud the instantaneous peak levels actually were. I mean I was used to measuring sound levels already and was taken aback by what I saw.
That is because our judgment of "loudness" is frequency dependent and duration dependent and we do not hear short loud sounds as "loudly" as when the same signal is present for a longer time.
It also depends what one wants to do, our hearing system is very forgiving, it is easy to produce the sound of a door being closed well enough so that everyone knows what it is, but it's another thing entirely to reproduce the sound of a door closing sufficiently accurately that a person looking the other way, will think a door was closed.
To reproduce at that level, one must reproduce essentially everything that is that sound including the short peaks.
Now like I said, I never measured the scissors thing or even heard of it until this thread but for sure, there are peaks in all kinds of sounds we record that were too impractical to include or reproduce in all but the most extreme cases. Thankfully at work we have a customer interested in "making it sound real" as possible on a large scale including large scale phantom and stereo images because I love this stuff.
"making it sound real" as possible on a large scale including large scale phantom and stereo images because I love this stuff.
Gee, from looking at all the stadium videos, I couldn't tell. LOL.
It's like when I was 19, I had to go play my new speakers, built in my garage at 20 cubic feet each, and horns with 400 Watts of power, which, I couldn't wait to put them in a large room so people could dance.
But the "toys" you design, Tom, are, to quote our new President, "HUGE" and have to be measure from 1,000 feet away outdoors so as not to "peg the needle."
Sonic Levitations in Pyramids notwithstanding and beyond the scope of this text.
Haha, hey thanks Claude.
Want to hear big, go to Disney and check out the Star wars spectacular or Rivers of light, these are big, closest listeners are about 500 feet from the speakers.
Hey i am passing on your good catch on the euro guys web site.
"Hey i am passing on your good catch on the euro guys web site."
Good news. After all, those people appreciate good sound as much as we do, so if this causes them to go hear what all this fuss is about, so be it.
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