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Please can someone tell me how to change in the legend ofthe "ALL SPL"-Window the naming from date to the name given in the graph window
 

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Hello, I just got my Umik-1 Mic. I have two subs connected to two subouts and have been setup with Audyssey XT32/SubEQHT already. I would like to see the response of each sub as well as the two combined. I have never used REW before and I noticed that it does not seem to have selections for sub channel 1,2 and combined so what is the best way to do what I want to do? Thanks.
 

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Discussion Starter #67
Depends how you are connecting the test signal to the processor and how it handles redirection to the sub outputs. Might be as simple as switching off the sub you don't want playing to measure each individually.
 

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Thanks John, I am using a 25' HDMI cable to connect the AVP. I was also guessing the way to do it is to turn one off at a time and then leave both on when doing the sweep. I just want to be sure if there isn't a proper or better way to do it. I am going to do just that and seee what it works.
 

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Is there a way to use the 7 channel stereo mode to plot the overall response of all 7.2 channels so I can see when the low frequencies overlap among all speakers including the subwoofers? I am using HDMI output with the Umik-1. When I tried outputing say the front left channel, I would get the SL and SBL but not the right side speakers so the AVP is only downmixing one side. If I use RCA inputs I am sure I can just use a Y-cord but I don't know how to do it with HDMI. I just wonder if REW has a built in downmix feature.
 

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Discussion Starter #70
There is no downmix feature (REW is just controlling the channel selection, not doing any processing of the signal). You can output the signal on a second channel by selecting it as the timing reference output if you are using ASIO drivers.
 

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There is no downmix feature (REW is just controlling the channel selection, not doing any processing of the signal). You can output the signal on a second channel by selecting it as the timing reference output if you are using ASIO drivers.
Thanks again, no idea what the timing reference is for as I am still new at this, but it did the trick for me to plot my all channel bass response.
 

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for chosing a specific channel to test with REW , use the new EqAPO 0.9 (search the thread) and use the new command Copy: in config.txt
ex: all my 5.1 channels are set to 0 except Rear Right which send the right channel
Copy: RL=.0 L=0. R=0. C=0. RR=L SUB=0.
 

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To save a graph that is small enough to post, is capture the only way? Using capture, I find the text font size on the axis almost twoo small to read but I cannot find a way to enlarge them.
 

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Discussion Starter #75
The graph font size can be increased in the View preferences (REW must be restarted to apply any changes to the font size). I suspect you have REW full screen and so your graph is being scaled down a lot, an alternative is to resize the REW window so the graph is closer to the size you want and doesn't need as much scaling.
 

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The graph font size can be increased in the View preferences (REW must be restarted to apply any changes to the font size). I suspect you have REW full screen and so your graph is being scaled down a lot, an alternative is to resize the REW window so the graph is closer to the size you want and doesn't need as much scaling.
Thanks, I did try that before but didn't know it had to be restarted to take effect.
 

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Hello John, are those "distortion" figures" accurate? I know they are at the mercy of the mic, sound cards, and the AVP, AVR etc., but are they other than those external factors, how accurate are the THDs shown by clicking the distortion tab? On thing I noticed was that they didn't seem consistent. Repeating "measure" would yield different THD figures, somethings consistently high, other times low.
 

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Discussion Starter #79
Hello John, are those "distortion" figures" accurate?
Yes
Repeating "measure" would yield different THD figures, somethings consistently high, other times low.
If successive measurements don't give repeatable results something is wrong with the measurement setup, which you should track down. Better starting a separate thread for that.
 
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