Simplified REW Setup and Use (USB Mic & HDMI Connection) Including Measurement Techniques and How To Interpret Graphs - Page 775 - AVS Forum | Home Theater Discussions And Reviews
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Old Today, 07:03 AM
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Originally Posted by tjcinnamon View Post
I read the REW guide and I'm curious what a "bad" (audible) distortion level would be?

The guide says: There are differing opinions regarding “acceptable” levels of distortion.

What is the general range and what is a universally agreed upon range. For example 10% is universally agreed upon (although likely facetious response)

Also, is there anyway to test with "all speakers driven"? With 9 channels running that's when I'm likely to get a severe power dip in my fronts.
Acceptable levels of distortion also depend on frequency. A 10% distortion at 1000Hz would probably be more noticeable than 10% at 20Hz.

Why would you want to measure all speakers driven? This would not happen often listening to real-world content.
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Old Today, 07:16 AM
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Quote:
Originally Posted by AustinJerry View Post
Acceptable levels of distortion also depend on frequency. A 10% distortion at 1000Hz would probably be more noticeable than 10% at 20Hz.

Why would you want to measure all speakers driven? This would not happen often listening to real-world content.
Good point. Perhaps most driven. It's likely the front 3 will be driven simultaneously then ATMOS upmixed generally adds a touch to those tracks. If the surrounds are running there's at least 2 more. So I think 7 of 9 (star trek voyager reference) could reasonably be running. I think enough to cut the wattage running to my front 3.

https://www.soundandvision.com/conte...iew-test-bench

I can't think functionally how to test something like this. I would need to run all of the speakers and then test in a different room

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I'll look to see what levels of distortion debates I can find.

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