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Post by bender6502 on Jan 9, 2021 1:20:15 GMT -5
I finally tried changing polarity on one of the speakers (right). Yup, still sounds diffused (2-channel stereo with Dirac Live). So, it's not a polarity issue. I think it's the delay. Dirac or XMC-2 is not calculating the distance correctly. I don't know what else to try. Is this a hardware issue? It seems like some people are perfectly happy with the result where others complain about this off-center issue...
You are a patient man, I wish I had your patience. I was ready to throw my XMC-2 out the window when I started getting the off-center imaging after re-running Dirac on 3.0.13. I do wonder about the hardware aspect sometimes too. I think the best course of action is to call Emotiva and see if their tech support can help you. Since I've run Dirac on 2.5.3 and reinstalled 3.0.11, loaded the saved project, and uploaded the filters, my image is dead center. I've read that the primary position is what Dirac uses for the delays and levels. Perhaps having the mic higher to avoid interference and making sure your laptop is well out of the way (if it is)? There are so many variables it's hard to troubleshoot, unfortunately. Now, I'm ready to throw XMC-2 out of a window. I tried downgrading the firmware to 2.0, and Dirac to 2.5.3, it sounds even worse. I mean, there is no imaging, sounds completely diffused, off-center, complete garbage. To give you an idea, when I'm doing calibrating, I make sure that I'm not in the way. And yes, I make sure that I'm not measuring the reflections. From all measuring points, the mic is clearly visible from all the speakers. This is a dedicated room with sound absorbers and bass traps. I tried sitting in the room and also tried remote desktop into the computer to remove myself from causing unwanted reflection. Is it possible that I may have defective hardware? I would call Emotiva support, but I don't have any free time during the weekdays. Unless they're open on weekends... I'm beyond frustrated now. A very thing that I bought for stress relief and enjoyment is doing exactly the opposite. XMC-1 wasn't easy to work with either, but once I got it dialed, I was loving it. Currently, I feel absolutely no love for the XMC-2.
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kempf
Minor Hero
Posts: 28
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Post by kempf on Jan 9, 2021 9:24:27 GMT -5
Hi.
Are you using the Emotiva or the Umik 1 Microphone?
If possible use the Umik 1 or 2.
Regards
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Lsc
Emo VIPs
Posts: 3,351
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Post by Lsc on Jan 9, 2021 9:59:54 GMT -5
Now, I'm ready to throw XMC-2 out of a window. I tried downgrading the firmware to 2.0, and Dirac to 2.5.3, it sounds even worse. I mean, there is no imaging, sounds completely diffused, off-center, complete garbage. To give you an idea, when I'm doing calibrating, I make sure that I'm not in the way. And yes, I make sure that I'm not measuring the reflections. From all measuring points, the mic is clearly visible from all the speakers. This is a dedicated room with sound absorbers and bass traps. I tried sitting in the room and also tried remote desktop into the computer to remove myself from causing unwanted reflection. Is it possible that I may have defective hardware? I would call Emotiva support, but I don't have any free time during the weekdays. Unless they're open on weekends... I'm beyond frustrated now. A very thing that I bought for stress relief and enjoyment is doing exactly the opposite. XMC-1 wasn't easy to work with either, but once I got it dialed, I was loving it. Currently, I feel absolutely no love for the XMC-2. I understand how you feel. Itβs just hard to troubleshoot over the forum because I there are so many details to the calibration. For example, did you select the supplied mic and load the calibration file for starters. etc etc. it seems like you have done all the necessary steps as described in the manual (that many donβt bother to read). I donβt think there is any trick for most of the owners. They just run Dirac and get a centered image. I wish I knew what the root cause of the issue is. Keith usually chimes in but even they probably donβt know.
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cawgijoe
Emo VIPs
"We made too many of the wrong mistakes." - Yogi Berra
Posts: 4,926
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Post by cawgijoe on Jan 9, 2021 10:19:40 GMT -5
Now, I'm ready to throw XMC-2 out of a window. I tried downgrading the firmware to 2.0, and Dirac to 2.5.3, it sounds even worse. I mean, there is no imaging, sounds completely diffused, off-center, complete garbage. To give you an idea, when I'm doing calibrating, I make sure that I'm not in the way. And yes, I make sure that I'm not measuring the reflections. From all measuring points, the mic is clearly visible from all the speakers. This is a dedicated room with sound absorbers and bass traps. I tried sitting in the room and also tried remote desktop into the computer to remove myself from causing unwanted reflection. Is it possible that I may have defective hardware? I would call Emotiva support, but I don't have any free time during the weekdays. Unless they're open on weekends... I'm beyond frustrated now. A very thing that I bought for stress relief and enjoyment is doing exactly the opposite. XMC-1 wasn't easy to work with either, but once I got it dialed, I was loving it. Currently, I feel absolutely no love for the XMC-2. I understand how you feel. Itβs just hard to troubleshoot over the forum because I there are so many details to the calibration. For example, did you select the supplied mic and load the calibration file for starters. etc etc. it seems like you have done all the necessary steps as described in the manual (that many donβt bother to read). I donβt think there is any trick for most of the owners. They just run Dirac and get a centered image. I wish I knew what the root cause of the issue is. Keith usually chimes in but even they probably donβt know. If you are having an issue that canβt be solved here by knowledgeable owners, you need to make time to call Support and speak to them.
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Post by ttocs on Jan 9, 2021 11:26:39 GMT -5
Now, I'm ready to throw XMC-2 out of a window. I tried downgrading the firmware to 2.0, and Dirac to 2.5.3, it sounds even worse. I mean, there is no imaging, sounds completely diffused, off-center, complete garbage. To give you an idea, when I'm doing calibrating, I make sure that I'm not in the way. And yes, I make sure that I'm not measuring the reflections. From all measuring points, the mic is clearly visible from all the speakers. This is a dedicated room with sound absorbers and bass traps. I tried sitting in the room and also tried remote desktop into the computer to remove myself from causing unwanted reflection. Is it possible that I may have defective hardware? I would call Emotiva support, but I don't have any free time during the weekdays. Unless they're open on weekends... I'm beyond frustrated now. A very thing that I bought for stress relief and enjoyment is doing exactly the opposite. XMC-1 wasn't easy to work with either, but once I got it dialed, I was loving it. Currently, I feel absolutely no love for the XMC-2. The offcenter imaging for me has been a maximum difference of 1.5dB between the Front Left and Front Right speakers. I simply change the Levels in Speaker Setup after running Dirac. With that being said, I don't have a level difference with 3.0.5, and didn't have a difference with 3.0.13 either but I chose to completely scrap 3.0.13 just for the crashing problems. So as far as I can tell, this has nothing to do with the G3P. Try a 1 mic point Dirac run with only the Fronts. Just use one location for the mic, and only the Front Left and Right speakers configured. It's quick, and helps with diagnosing what the cause is. While I don't have evidence of this, I believe some earlier versions of Dirac are more susceptible to "reading" the reflections erroneously, as I had more problems with Dirac 3.0.0 than any versions afterwards. I had issues with "delay" between the Left and Right speakers so that anything that was in both channels equally would be delayed causing a slight echo. This only happened with 3.0.0. The delay was so noticeable that I never even got around to determining if the levels were different. Version 3.0.2 was already available (I didn't know) so I only had 3.0.0 installed for a couple days.
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Post by cmarquez on Jan 9, 2021 13:51:32 GMT -5
Hey All,
Not sure if this is the right thread but Iβm having calibration issues with my RMC-1L and was hoping I could get some user support.
After running Dirac Iβm getting strange results for my subs. I have two REL Predators (1508s) in my 25βx13β basement theater and Dirac is measuring significant roll off after 50hz. Iβm posting using my phone and donβt see a way to paste an image but what it shows is -15db at 50hz and -25db at 40hz before dropping off completely. The speaker measurements appear fine out to 10khz by the way.
Iβve attempted to independently measure my subs using REW and got similar results so I donβt think itβs Dirac. Emotiva support suggested I get the umik-1 and remeasure so I did but I got the same results.
I also tried the test tone feature at 20hz and Iβm clearly getting extension at 20hz and probably below. I can attest to this in real world playback as well.
Hopefully thereβs something stupid on my end that Iβve overlooked in my setup. For reference, I have 7.2.4 setup with 80hz crossover for my speakers, subs set just past 12 oβclock on the sub gain, and ~9 oβclock on the sub crossover knob.
Again, real world playback sounds good but Iβd really like to use Dirac for bass management below 200hz so any tips would be greatly appreciated!
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Post by hsamwel on Jan 9, 2021 16:32:02 GMT -5
Marcl: If you set speaker level of the (mono) center sub to -3db. Will REW measure it flat level wise compared to the rest of the speakers?
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Post by hsamwel on Jan 9, 2021 16:46:57 GMT -5
Now, I'm ready to throw XMC-2 out of a window. I tried downgrading the firmware to 2.0, and Dirac to 2.5.3, it sounds even worse. I mean, there is no imaging, sounds completely diffused, off-center, complete garbage. To give you an idea, when I'm doing calibrating, I make sure that I'm not in the way. And yes, I make sure that I'm not measuring the reflections. From all measuring points, the mic is clearly visible from all the speakers. This is a dedicated room with sound absorbers and bass traps. I tried sitting in the room and also tried remote desktop into the computer to remove myself from causing unwanted reflection. Is it possible that I may have defective hardware? I would call Emotiva support, but I don't have any free time during the weekdays. Unless they're open on weekends... I'm beyond frustrated now. A very thing that I bought for stress relief and enjoyment is doing exactly the opposite. XMC-1 wasn't easy to work with either, but once I got it dialed, I was loving it. Currently, I feel absolutely no love for the XMC-2. I understand how you feel. Itβs just hard to troubleshoot over the forum because I there are so many details to the calibration. For example, did you select the supplied mic and load the calibration file for starters. etc etc. it seems like you have done all the necessary steps as described in the manual (that many donβt bother to read). I donβt think there is any trick for most of the owners. They just run Dirac and get a centered image. I wish I knew what the root cause of the issue is. Keith usually chimes in but even they probably donβt know. How much off is your center point? More or less than a foot? I would guess there are some reflection or something with the speaker causing this. Could also be a rare bug in Dirac making it calculate wrong sometimes.
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Post by bender6502 on Jan 10, 2021 0:51:04 GMT -5
Now, I'm ready to throw XMC-2 out of a window. I tried downgrading the firmware to 2.0, and Dirac to 2.5.3, it sounds even worse. I mean, there is no imaging, sounds completely diffused, off-center, complete garbage. To give you an idea, when I'm doing calibrating, I make sure that I'm not in the way. And yes, I make sure that I'm not measuring the reflections. From all measuring points, the mic is clearly visible from all the speakers. This is a dedicated room with sound absorbers and bass traps. I tried sitting in the room and also tried remote desktop into the computer to remove myself from causing unwanted reflection. Is it possible that I may have defective hardware? I would call Emotiva support, but I don't have any free time during the weekdays. Unless they're open on weekends... I'm beyond frustrated now. A very thing that I bought for stress relief and enjoyment is doing exactly the opposite. XMC-1 wasn't easy to work with either, but once I got it dialed, I was loving it. Currently, I feel absolutely no love for the XMC-2. The offcenter imaging for me has been a maximum difference of 1.5dB between the Front Left and Front Right speakers. I simply change the Levels in Speaker Setup after running Dirac. With that being said, I don't have a level difference with 3.0.5, and didn't have a difference with 3.0.13 either but I chose to completely scrap 3.0.13 just for the crashing problems. So as far as I can tell, this has nothing to do with the G3P. Try a 1 mic point Dirac run with only the Fronts. Just use one location for the mic, and only the Front Left and Right speakers configured. It's quick, and helps with diagnosing what the cause is. While I don't have evidence of this, I believe some earlier versions of Dirac are more susceptible to "reading" the reflections erroneously, as I had more problems with Dirac 3.0.0 than any versions afterwards. I had issues with "delay" between the Left and Right speakers so that anything that was in both channels equally would be delayed causing a slight echo. This only happened with 3.0.0. The delay was so noticeable that I never even got around to determining if the levels were different. Version 3.0.2 was already available (I didn't know) so I only had 3.0.0 installed for a couple days. Ok, I spent another 2 hours messing with this. I tried 1 mic point like you suggested, at least I didn't have to reposition mic points which saved some time, but still no cigar. I updated my firmware back to v2.1 and used Dirac Live 3.0.11. Here are some of the combinations I tried. All 1 point measure from the main listening postion: 2.1 speakers 7.1 speakers 7.1 speakers (R channel 1 dB higher, L channel -1 dB lower) 7.1 speakers (L channel 1 dB higher, R channel -1 dB lower) None of these combos produced good center imaging, all sound diffused to various levels. I also tried various mic gains and speaker levels, none of them loud enough to cause clipping. I wish I had some free time to call their tech support during the day time. Someone suggested using UMIK-1 mic. I just placed an order, it's money I didn't want to spend, but if it fixes the problem, then it would be worth it. Although I have my doubts.
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Post by bender6502 on Jan 10, 2021 1:04:28 GMT -5
I understand how you feel. Itβs just hard to troubleshoot over the forum because I there are so many details to the calibration. For example, did you select the supplied mic and load the calibration file for starters. etc etc. it seems like you have done all the necessary steps as described in the manual (that many donβt bother to read). I donβt think there is any trick for most of the owners. They just run Dirac and get a centered image. I wish I knew what the root cause of the issue is. Keith usually chimes in but even they probably donβt know. How much off is your center point? More or less than a foot? I would guess there are some reflection or something with the speaker causing this. Could also be a rare bug in Dirac making it calculate wrong sometimes. Thanks for your feedback. How would I test this? (How much off is the center point?) In user mode, I did notice if distances are off by around 6" you lose your center-imaging pretty quickly. My fronts are 9' 6" away from the listening position and 9' apart from each other, pretty close to the golden ratio. Anyway, if I had to guess, I would say center is off by less than a foot. The room is not perfectly symmetrical, but pretty close. Dimension of the room is 12.5' by 20'. I NEVER had this issue with the XMC-1 and its Dirac calibration in this room. In fact, with the XMC-1, the difference was noticeably better (no off-center issue), hence I upgraded to the XMC-2 when Dirac was finally implemented.
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Post by adam631 on Jan 10, 2021 1:24:15 GMT -5
How much off is your center point? More or less than a foot? I would guess there are some reflection or something with the speaker causing this. Could also be a rare bug in Dirac making it calculate wrong sometimes. Thanks for your feedback. How would I test this? (How much off is the center point?) In user mode, I did notice if distances are off by around 6" you lose your center-imaging pretty quickly. My fronts are 9' 6" away from the listening position and 9' apart from each other, pretty close to the golden ratio. Anyway, if I had to guess, I would say center is off by less than a foot. The room is not perfectly symmetrical, but pretty close. Dimension of the room is 12.5' by 20'. I NEVER had this issue with the XMC-1 and its Dirac calibration in this room. In fact, with the XMC-1, the difference was noticeably better (no off-center issue), hence I upgraded to the XMC-2 when Dirac was finally implemented. If you haven't tried already, do a hard reset..turn the switch off in the back for 60 seconds then turn back on.
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Post by EMO Stack 1982 on Jan 10, 2021 8:44:14 GMT -5
Good Morning, I posted this last night in the RMC 1l Thread, and was suggested i might get more help here I Really need someone help on Dirac Live. a few weeks ago i got my RMC-1L set it up, ran Dirac, sounded Awesome with these setting: front width None Front Small Center Small Surround Small Rear Small Subs set to Dual Mono, 2 XLR cables to Subs (1 XLR Cable per SVS PB16 Ultra) Subs set to -10, and Sub Output Set to 0
had to get the RMC-1L replaced, Just set it up and Also installed 6 in Ceiling Atmos Speakers, which caused me to hook up both SVS PB 16 Ultras to the Center Sub Output. and it sounds bad, barely any Bass, barely Any LFE, Sound is very Dull, almost like a towel thrown over the speakers.
I have tried setting my BP7002s with built in 12" power subs to Large and Small, no difference Set Center Sub to LFE and Also tried Mono, No difference. I raised the Subs to 0, keeping the Sub output at 0, and the bass sounds better nothing like before.
the changes i made were: 1-added 6 Atmos Speakers 2-First set up each Sub had there own XLR feeding them from the RMC-1L Vs. Second Set up has 1 XLR going from the RMC-1L to the Right Sub, and 1 XLR going from the Right Sub to the LEFT Sub.
I Have just 1 Sub, no Difference, Also tried switching the XLR Cables
I have ran Dirac Live 4 Times today with different setting, and no Difference.
Thank You in Advance for your Thoughts
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Post by foggy1956 on Jan 10, 2021 9:37:53 GMT -5
How much off is your center point? More or less than a foot? I would guess there are some reflection or something with the speaker causing this. Could also be a rare bug in Dirac making it calculate wrong sometimes. Thanks for your feedback. How would I test this? (How much off is the center point?) In user mode, I did notice if distances are off by around 6" you lose your center-imaging pretty quickly. My fronts are 9' 6" away from the listening position and 9' apart from each other, pretty close to the golden ratio. Anyway, if I had to guess, I would say center is off by less than a foot. The room is not perfectly symmetrical, but pretty close. Dimension of the room is 12.5' by 20'. I NEVER had this issue with the XMC-1 and its Dirac calibration in this room. In fact, with the XMC-1, the difference was noticeably better (no off-center issue), hence I upgraded to the XMC-2 when Dirac was finally implemented. Use the right/left speaker levels to re-center the center image, how many db did it take?
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Post by megash0n on Jan 10, 2021 10:40:39 GMT -5
just spoke to emotiva, Dirac should not override both speaker presets and that preset 1 & 2 are run both independently. After running Dirac you should do a cold reboot by holding the power button for 10secs ? Emotiva's response is not what my RMC-1L has been doing with the firmware 2.1, regardless of rebooting the processor. In my processor, only one Dirac filter (the default) has been created under the Preset 2, while Preset 1 has the user defined PEQ filters created with REW. I always loose the Preset 1 sound quality (filters) and dB level when I switch from the Preset 1 to 2, then back to 1. The processor never let me revert to the initial sound quality of the Preset 1 after switching to Preset 2. The only way to get back the Preset 1 sound quality and level, I have to cold boot the processor. So why does Emotiva have Preset button on the remote control, if it is only good for use after a cold reboot which takes time to complete?Β My system is 9.1.6 with the 2 front speakers set as large and the rest small.Β When you engage Dirac for the first time after boot, Dirac "takes" whatever headroom it calculated during measurement in order to "fake boost" where needed. This "take" is across the entire G3P. You will experience this on any preset. The only way to remove this is to reboot as you said. Supposedly, this has no impact on sound quality, but who knows? It's rare what they say is actually true until 2 years of fixing bugs. At any rate, I'm just confirming that this is correct and there's nothing you can do about it other than to ditch Dirac.
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Post by hsamwel on Jan 10, 2021 13:56:45 GMT -5
Found this at AVS. talking about DLBM. Flavio from Dirac answered about what the different tiers do. Quote: markus767 said: Great, so Dirac Live Bass Management "Tier 1" is Dirac's replacement for SFM, MSO, etc. In order to translate marketing speak to the more technical type: Tier 3 (free): - Equalization of one subwoofer (or cluster) and each satellite speaker Tier 2: - Equalization of one subwoofer (or cluster) and each satellite speaker - Optimization of subwoofer/satellite splice Tier 1: - Equalization of one subwoofer (or cluster) and each satellite speaker - Optimization of subwoofer/satellite splice - Equalization of each subwoofer within a subwoofer cluster for lowest variance within listening area Flax said; It's better than that, even for Tier 3 users... by using a dedicated channel it will time-align the sub to the main speakers and will compute and display in real-time the combined results of sub + mains at the crossover region of frequencies. As a result, the user will be able to choose the crossover frequency that offers the best results. For Tier 3 there is no guidance for which the best choices are, you will have to use your own knowledge for that. Tier 2 instead will compute the best crossover frequency automatically and correct the combined response while tier 3 doesn't. Tier 2 works with the phase & the magnitude to achieve a better summation, something that cannot be done manually in Tier 3. Finally, Tier 1 will correct the respective interactions among multiple subs as well as their interactions with the speakers at the crossover frequency. Nice Flavio /Qoute
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Post by hsamwel on Jan 10, 2021 15:59:03 GMT -5
How much off is your center point? More or less than a foot? I would guess there are some reflection or something with the speaker causing this. Could also be a rare bug in Dirac making it calculate wrong sometimes. Thanks for your feedback. How would I test this? (How much off is the center point?) In user mode, I did notice if distances are off by around 6" you lose your center-imaging pretty quickly. My fronts are 9' 6" away from the listening position and 9' apart from each other, pretty close to the golden ratio. Anyway, if I had to guess, I would say center is off by less than a foot. The room is not perfectly symmetrical, but pretty close. Dimension of the room is 12.5' by 20'. I NEVER had this issue with the XMC-1 and its Dirac calibration in this room. In fact, with the XMC-1, the difference was noticeably better (no off-center issue), hence I upgraded to the XMC-2 when Dirac was finally implemented. Sorry by center point I meant MLP. By moving your head sideways. How long do you have to move your head to get it to sound dead center? When so many have talked about this I listened to some music somehow felt like the voice was a fraction to the right. Felt like I needed to move my head 2-4β to the left to get the voice centered. Is this about what you feel? My room is about 11β 10β wide and 22β 8β long. I have about 7β 11β between LR and the length to each speaker about 10β 8β. I calculated this to 43.3Λ. Or 21.67Λ to each LR speaker. My left wall is full of windows, a door and a big opening. I use blinds to cover each opening or window. My measurements are converted from centimeters. I should sit a little closer or move my front speakers closer to me to get perfect position. But then I get a too long distace to my surround back speakers which I have on the wall. But calculated that I get 48Λ just by having the distance to my speakers decrease by a foot. Actually this way I would get better angles to my wides as well.. Decisions decisions..
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Post by bender6502 on Jan 10, 2021 23:06:01 GMT -5
Thanks for your feedback. How would I test this? (How much off is the center point?) In user mode, I did notice if distances are off by around 6" you lose your center-imaging pretty quickly. My fronts are 9' 6" away from the listening position and 9' apart from each other, pretty close to the golden ratio. Anyway, if I had to guess, I would say center is off by less than a foot. The room is not perfectly symmetrical, but pretty close. Dimension of the room is 12.5' by 20'. I NEVER had this issue with the XMC-1 and its Dirac calibration in this room. In fact, with the XMC-1, the difference was noticeably better (no off-center issue), hence I upgraded to the XMC-2 when Dirac was finally implemented. Sorry by center point I meant MLP. By moving your head sideways. How long do you have to move your head to get it to sound dead center? When so many have talked about this I listened to some music somehow felt like the voice was a fraction to the right. Felt like I needed to move my head 2-4β to the left to get the voice centered. Is this about what you feel? My room is about 11β 10β wide and 22β 8β long. I have about 7β 11β between LR and the length to each speaker about 10β 8β. I calculated this to 43.3Λ. Or 21.67Λ to each LR speaker. My left wall is full of windows, a door and a big opening. I use blinds to cover each opening or window. My measurements are converted from centimeters. I should sit a little closer or move my front speakers closer to me to get perfect position. But then I get a too long distace to my surround back speakers which I have on the wall. But calculated that I get 48Λ just by having the distance to my speakers decrease by a foot. Actually this way I would get better angles to my wides as well.. Decisions decisions.. No matter how much I moved my head either to left or right, I can't get it to center. It just sounds diffused from everywhere. I also tried leaning my seats back, so that back rest wouldn't get in the way. Still off-center, diffused. This applies all measurements I took, 9 points, 13 points, 1 point, none of them sounds right. Can this be faulty XMC-2, raspberry pi, or the microphone? Without Dirac, imaging is DEAD-CENTER, just the way it supposed to be. Bass sounds a bit bloated, but Dirac fixed that in the past. I also tried, install Dirac Live to HTPC as that computer is hardwired vs wifi on the laptop. All equipment are connected via hardwired to Gigabit network, including the computer that's doing the measurement. (Dirac v. 3.0.11). I also tried v. 3.0.13, no luck there either. I attached a picture of front stage, so you can get an idea where my front channels are. Yes, speakers are about a foot away from the wall, hence the placement of sound absorbers at the first reflection point. Again I would like to stress this wasn't an issue with the XMC-1. As someone suggested turning off XMC-2 wait a minute, and turning it back on. Yes, I also tried hard resetting the unit, no changes. I do appreciate everyone chiming in. Attachments:
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Post by ttocs on Jan 11, 2021 1:19:09 GMT -5
Hey All, Not sure if this is the right thread but Iβm having calibration issues with my RMC-1L and was hoping I could get some user support. After running Dirac Iβm getting strange results for my subs. I have two REL Predators (1508s) in my 25βx13β basement theater and Dirac is measuring significant roll off after 50hz. Iβm posting using my phone and donβt see a way to paste an image but what it shows is -15db at 50hz and -25db at 40hz before dropping off completely. The speaker measurements appear fine out to 10khz by the way. Iβve attempted to independently measure my subs using REW and got similar results so I donβt think itβs Dirac. Emotiva support suggested I get the umik-1 and remeasure so I did but I got the same results. I also tried the test tone feature at 20hz and Iβm clearly getting extension at 20hz and probably below. I can attest to this in real world playback as well. Hopefully thereβs something stupid on my end that Iβve overlooked in my setup. For reference, I have 7.2.4 setup with 80hz crossover for my speakers, subs set just past 12 oβclock on the sub gain, and ~9 oβclock on the sub crossover knob. Again, real world playback sounds good but Iβd really like to use Dirac for bass management below 200hz so any tips would be greatly appreciated! How are the subs setup in the processor? Dual Mono? Mono? Have you measured with REW while using the USER Equalization slot instead of a Dirac slot? You can use this as a comparison. You can test the subwoofer at higher frequencies if you set the crossover in the processor for a Small speaker, say, the Right Surround, at its maximum of 200Hz then turn off the amp for that speaker and leave the subwoofer on. When you select the SR in REW it will then measure the sub up to 200Hz before rolling off the frequency. I use an HDMI cable between my Mac and the processor so I get choices for a 5.1 speaker setup. Also, try one sub at a time, then both together. It's amazing what can happen with phase cancellations.
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Post by ttocs on Jan 11, 2021 1:25:54 GMT -5
No matter how much I moved my head either to left or right, I can't get it to center. It just sounds diffused from everywhere. I also tried leaning my seats back, so that back rest wouldn't get in the way. Still off-center, diffused. This applies all measurements I took, 9 points, 13 points, 1 point, none of them sounds right. Can this be faulty XMC-2, raspberry pi, or the microphone? Without Dirac, imaging is DEAD-CENTER, just the way it supposed to be. Bass sounds a bit bloated, but Dirac fixed that in the past. I also tried, install Dirac Live to HTPC as that computer is hardwired vs wifi on the laptop. All equipment are connected via hardwired to Gigabit network, including the computer that's doing the measurement. (Dirac v. 3.0.11). I also tried v. 3.0.13, no luck there either. I attached a picture of front stage, so you can get an idea where my front channels are. Yes, speakers are about a foot away from the wall, hence the placement of sound absorbers at the first reflection point. Again I would like to stress this wasn't an issue with the XMC-1. As someone suggested turning off XMC-2 wait a minute, and turning it back on. Yes, I also tried hard resetting the unit, no changes. I do appreciate everyone chiming in. Since I don't know how the EDNIB does its translation to the processor I can't rule out that it is malfunctioning, but I would doubt it is the problem. Likewise, I doubt the mic is the issue, except as it relates to the frequency response curve. I've got a CSL UMIK-1, an OEM miniDSP UMIK-1, as well as the EMM-1, and there's a little difference between the UMIKs but not a lot, and the EMM-1 has a different curve at the extremes but less than the spec of any speaker's frequency response tolerance. The bass ends up being more pronounced with the EMM-1, so I prefer either of the UMIKs. marcl had a problem with Dirac 3 seeing a reflection that it was sensitive to, and he tracked it to a second reflection I believe, and his room was already very well treated with everything imaginable. My reflection issue I had when starting to use the XMC-2 and Dirac 3 was from the rear wave from my dipole speakers. I added some panels and that solved the issue.
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Post by homer23 on Jan 11, 2021 9:50:47 GMT -5
Hello Everyone, I was hoping someone can help shed some light here. I have the XMC-2 and have added several Dirac filters over the last couple of weeks. One thing I have come across is the Volume issue when adding the Dirac Calibration file the volume is always way too low. However I came across something interesting if you hard reboot the Unit (Use the power switch on the back) 2 things happen 1. the Unit doesnt fully load the Calibration file...things sound a bit off. 2. if you re-load the Dirac Calibration, it takes, and the volume is much louder.
Was curious if anyone else had this issue...Do I perhaps need to do a factory reset?
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