Simplified REW Setup and Use (USB Mic & HDMI Connection) Including Measurement Techniques and How To Interpret Graphs - Page 674 - AVS Forum | Home Theater Discussions And Reviews
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post #20191 of 20200 Unread Today, 01:32 PM
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Originally Posted by GuidingGod View Post





Should the next step be taking readings with YPAO on, speakers set to small and crossover to 80hz?

(If I haven't made it obvious enough, I'm new to all this :-s
As a starting point, you have selected the measurements which will look the worst. Personally, I would start with measurements that reveal how the system sounds when you are listening to it. This means you should turn room correction on, connect all speakers and subs, set mains to Small with the appropriate crossover value, say 80Hz, and then measure center+subs, left+subs, and right+subs. This will show the "best case" response of the listening room.

Once you have this baseline, you can start analyzing the measurements for areas that need to be addressed. That is where you can drill down, using some of the measurements you started with, to assess the source of anything that doesn't please you.
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post #20192 of 20200 Unread Today, 01:33 PM
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That looks exactly like post 20187 to me; it's something I definitely think would be worth trying.
Michael

Did you really need to quote that entire post in your reply?
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post #20193 of 20200 Unread Today, 01:37 PM
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Originally Posted by PlasmaPZ80U View Post
do you think this is worth a try over the one posted above?



It goes up about a dB each 10Hz increment from 60Hz->50Hz, 50Hz to 40Hz, 40Hz->30Hz.
I left LF and HF Rise Slope set to 1.8. Also why do you have individual max boost set to 18 and why are you cutting if off at 110Hz?

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post #20194 of 20200 Unread Today, 01:37 PM
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Originally Posted by LastButNotLeast View Post
That looks exactly like post 20187 to me; it's something I definitely think would be worth trying.
Michael
thanks, I'll try it...in the past I didn't like house curves, but those always had a continuously rising slope from the crossover frequency (or higher) down to 19Hz or 20Hz.

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post #20195 of 20200 Unread Today, 01:41 PM
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Originally Posted by citsur86 View Post
I left LF and HF Rise Slope set to 1.8. Also why do you have individual max boost set to 18 and why are you cutting if off at 110Hz?
I'm using the house curve.txt file instead:

30(Hz) 3.0 (dB)

60(Hz) 0.0 (dB)

Individual max boost is to fix the massive dip around 60Hz, no overall boost though.. I have tried leaving both at zero, but then I'm missing too much energy in that crucial range. It doesn't sound bad and it doesn't cause too much distortion at my listening levels and above.

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post #20196 of 20200 Unread Today, 01:42 PM
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I'm cutting off at 110Hz (instead of 120Hz) because it gives me a smoother roll off... this is LFE channel BTW

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post #20197 of 20200 Unread Today, 01:42 PM
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Originally Posted by LastButNotLeast View Post
Follow Jerry's guide. The front right will probably improve with sub on, so we need left/sub, right/sub, center/sub. What xo options are available with your AVR?
Don't use YPAO just yet.
Michael
The AVR shows xo points at 40, 60, 80, 90, 100, 110, 120 etc to 200hz....just realized who Jerry is >

Quote:
Originally Posted by AustinJerry View Post
As a starting point, you have selected the measurements which will look the worst. Personally, I would start with measurements that reveal how the system sounds when you are listening to it. This means you should turn room correction on, connect all speakers and subs, set mains to Small with the appropriate crossover value, say 80Hz, and then measure center+subs, left+subs, and right+subs. This will show the "best case" response of the listening room.

Once you have this baseline, you can start analyzing the measurements for areas that need to be addressed. That is where you can drill down, using some of the measurements you started with, to assess the source of anything that doesn't please you.
Thank you. Will report back with those. When you guys say 'right+sub', I'm assuming it means choose Channel 1.1 on REW measurements page and run it say 15hz to 20000hz and it will automatically engage the sub since the speaker is set to small and crossed over in AVR, yes?
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post #20198 of 20200 Unread Today, 01:46 PM
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Yes.

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post #20199 of 20200 Unread Today, 02:26 PM
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Originally Posted by GuidingGod View Post
Thank you. Will report back with those. When you guys say 'right+sub', I'm assuming it means choose Channel 1.1 on REW measurements page and run it say 15hz to 20000hz and it will automatically engage the sub since the speaker is set to small and crossed over in AVR, yes?
So YPAO set sub at -6.5db and centre at +2.0db whilst FL is 0 and FR is +0.5db...set speakers to small and crossed at 80hz. Here is FL+Sub, FR+Sub, C+Sub and combined, 15 to 20k hz with 1/6 smoothing.
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Last edited by GuidingGod; Today at 02:48 PM.
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post #20200 of 20200 Unread Today, 03:42 PM
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Quote:
Originally Posted by GuidingGod View Post
So YPAO set sub at -6.5db and centre at +2.0db whilst FL is 0 and FR is +0.5db...set speakers to small and crossed at 80hz. Here is FL+Sub, FR+Sub, C+Sub and combined, 15 to 20k hz with 1/6 smoothing.
Thanks for providing these so quickly. We now have a true picture of what you are hearing in your listening room. Not terrible, but room for improvement. Below 100Hz there is a major issue. IMHO, there are a number of things that might improve your response, depending on how serious you want to get:

- Experimenting with various speaker placements, using REW to guide you.
- Adding one or more subs (the only real way to improve bass response).
- Switching to an AVR with a better room correction system (e.g. Audyssey XT32), or adding a MiniDSP 88A and switching to Dirac Live (I am not a YPAO fan).

Only the first suggestion is free...
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