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Post by hsamwel on Mar 5, 2022 3:58:34 GMT -5
FYI, this link is already on the 2nd page under the title “ Setting microphone and speaker levels”. I’ve found it useful too. I think the thing that's so difficult with the volume calibration is the wide range of speaker efficiency and amplifier power. I have a 12db difference from my surrounds to my top rears. And the fact that no matter how you set the levels, Dirac will measure your subs lower and the result will be a lower listening level. I followed the method exactly and ended up with a volume setting of -25db, but then it measured the subs like 12db below the fronts, and I had to increase my listening level by about 6db. So I went back and did it again with the sub level set 6-7db higher, and it still measured the sub below the fronts, but my final listening level was back to normal (nominally -18 to -16). Average user can't get their head around all this back and forth. So the main thing is to promote a process that will not fry the speakers, as has actually happened to some people. I agree. There are so many type of speakers that it’s always best to start low and increase after listening to the speakers in the volume settings. Btw I did not have the subwoofer issue you’re talking about. My subwoofer is not low and was not the highest volume of my speakers. Actually about the same as my fronts I guess. But I have all SVS speakers, these are all 8ohm, 87dB sensitive speakers except the fronts which are 8ohm 88dB.. Pretty much the same all around.. I guess this helps, a lot.
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Post by foggy1956 on Mar 5, 2022 7:54:57 GMT -5
What is the latest stable version of Dirac? Was going to wait for the next big firmware update but apparently boredom is setting in.
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Post by marcl on Mar 5, 2022 8:30:12 GMT -5
What is the latest stable version of Dirac? Was going to wait for the next big firmware update but apparently boredom is setting in. 3.2.2 is the latest. It came out a month ago. Just prior top that 3.2.0 was released (the first since 3.1.2 in September) but it had a bug so 3.2.1 came out a few days later. Then it was discovered that this release limited correction to 20Hz, preventing correction down to 10Hz as was previously the case. Many of us complained in the forums so 3.2.2 restored the 10Hz lower limit. Changelog for 3.2.x releases only states "stability" and user interface fixes, but no significant specifics on functionality.
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Post by geebo on Mar 5, 2022 12:00:05 GMT -5
Marcl already provided an excellent summary of how Atmos and Dirac "interact" (or don't) with each other. There's one other thing which might be worth mentioning (based on the way you worded the question). Dirac Live, and the corrections it applies, are on one sense of the word "static"... When you run Dirac Live, it takes its measurements, calculates the corrections to apply, and downloads the filters that apply those corrections to the processor. What you need to understand is that the corrections Dirac Live applies are in the form of "making your speaker act as if it was a perfect speaker in a perfect room" (or as close as it can get to that goal). The corrections themselves are NOT going to "sense what you're playing" or "automatically adjust depending on what channel or content you're sending to that speaker". That's why, if you get new speakers, or rearrange the room, you need to run Dirac Live again, so it can take new measurements and calculate new corrections. So, in that sense, "Dirac doesn't care what you're playing through that speaker", and "Atmos doesn't know that your speakers are being corrected using adjustments calculated by Dirac Live".
And, if you change your speaker designations, Dirac Live will complain about a filter mismatch "because it knows something has changed - but it doesn't know what". In specific, in your example, when you changed your configuration, "you got rid of a pair of speakers and added a pair of speakers". Therefore the original set of Dirac Live filters is no longer a match to your new speaker setup.
(And Dirac Live has no reason to assume that, even though you've changed your "speaker configuration", the same physical pair of speakers is still connected to the same set of output terminals on the processor.) In theory, when you run Dirac Live again, and assuming nothing else has changed, after measuring that same pair of speakers, Dirac Live will apply the same or very similar corrections. (Although even moving the microphone or your couch a few inches may make a tiny difference here or there.) HOWEVER, the Dolby Atmos decoder very much cares which sets of speakers you have, and may decode things a bit differently now that you have "different pairs of height speakers installed". KeithL I second guessed myself a couple times on one point. I know for sure if in Size you change a speaker to None and try to load a Dirac configuration it won't work. But if you were to change Front Height from Sm Top Middle to Sm Top Front, would Dirac know the difference and not run the correction filters for that speaker, and refuse to load a project in the software citing a speaker configuration mismatch? I checked my Dirac backup file and here's what it records as my Front Height and Rear Height speakers: View AttachmentSo I'm thinking if I changed to Top Middle Dirac would not work. I just tried and if you rename Front Heights to Top Middle, Top Front or Top Height Dirac will still load the project regardless of what they were called when you created the project. I'm pretty sure Dirac just knows them as Front Heights and it doesn't matter how you designate them for Atmos' use. Dirac simply EQ's the channel and doesn't know what you call them. The Dirac settings file is created by the processor, not Dirac. So what they are called in the settings file doesn't matter, Dirac has nothing to do with the settings file. It's just like it doesn't matter what you call the fronts, Large or Small, Dirac doesn't know and doesn't care, it EQ's them as full range regardless.
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Post by marcl on Mar 5, 2022 12:56:27 GMT -5
KeithL I second guessed myself a couple times on one point. I know for sure if in Size you change a speaker to None and try to load a Dirac configuration it won't work. But if you were to change Front Height from Sm Top Middle to Sm Top Front, would Dirac know the difference and not run the correction filters for that speaker, and refuse to load a project in the software citing a speaker configuration mismatch? I checked my Dirac backup file and here's what it records as my Front Height and Rear Height speakers: <button disabled="" class="c-attachment-insert--linked o-btn--sm">Attachment Deleted</button> So I'm thinking if I changed to Top Middle Dirac would not work. I just tried and if you rename Front Heights to Top Middle, Top Front or Top Height Dirac will still load the project regardless of what they were called when you created the project. I'm pretty sure Dirac just knows them as Front Heights and it doesn't matter how you designate them for Atmos' use. Dirac simply EQ's the channel and doesn't know what you call them. The Dirac settings file is created by the processor, not Dirac. So what they are called in the settings file doesn't matter, Dirac has nothing to do with the settings file. It's just like it doesn't matter what you call the fronts, Large or Small, Dirac doesn't know and doesn't care, it EQ's them as full range regardless. Interesting. So the specific name in the backup file that the processor creates is just for the processor. Dirac loaded the filters to the processor "channels" even though from the processor's perspective the name had changed. But I think there's another scenario .... if you change the name in the processor and don't reload the Dirac filters, will the filters still be applied to the Front Height even though it is now called Top Middle? Not worth trying ... just curious.
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Post by geebo on Mar 5, 2022 13:19:14 GMT -5
I just tried and if you rename Front Heights to Top Middle, Top Front or Top Height Dirac will still load the project regardless of what they were called when you created the project. I'm pretty sure Dirac just knows them as Front Heights and it doesn't matter how you designate them for Atmos' use. Dirac simply EQ's the channel and doesn't know what you call them. The Dirac settings file is created by the processor, not Dirac. So what they are called in the settings file doesn't matter, Dirac has nothing to do with the settings file. It's just like it doesn't matter what you call the fronts, Large or Small, Dirac doesn't know and doesn't care, it EQ's them as full range regardless. Interesting. So the specific name in the backup file that the processor creates is just for the processor. Dirac loaded the filters to the processor "channels" even though from the processor's perspective the name had changed. But I think there's another scenario .... if you change the name in the processor and don't reload the Dirac filters, will the filters still be applied to the Front Height even though it is now called Top Middle? Not worth trying ... just curious. I don't think it's any different than if you designate your Fronts as Large or Small. Or if you change the crossovers if set to small. Dirac treats them just as Fronts and EQ's them as if they were full range constrained only by the curtains the user sets up. Dirac, I believe, is simply full range and channel driven. I would *think* that the processor simply lets Atmos know where to steer a signal but still lets Dirac EQ that particular channel.
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Post by atomic4877 on Mar 7, 2022 10:35:02 GMT -5
I just ran Dirac for the first time yesterday on my RMC-1 and the results seem to be a bit mixed. I have only ever used Audyssey on receivers/processors in the past. Overall, I feel the imaging and spaciousness seems to have improved however there are some things that I find odd. Before running it, I had all of my speakers level matched to 75db except the sub which I usually run a little hot at 80db. All speakers are set to small/80hz crossover for all channels except my front and rear heights for Atmos, which are set to crossover at 120hz. I followed the instructions from AVS forum listed above for level calibration -50 db for background noise and 20-30db increase for the speakers from the noise floor. However after running Dirac a couple things seem a bit off to me. I used a UMIK-1 calibrated by Spectrum labs and used the narrow band 90 degree file for it. I have the most recent firmware 2.5 for the RMC-1 and the newest version of Dirac live. I added a second PSA TV2112 sub last week before running Dirac for the first time. Overall, the bass seems to be heavily lacking after running Dirac and adding the second sub. There are a few scenes that I have tested countless times before and the overall bass/chest slam provided from these scenes almost non-existent. One thing I also noticed was that I had to increase my trim levels heavily to be able to achieve 75db with my SPL meter. My fronts Klipsch RF 7-iii had to be bumped from 2.5db to 7db-8db. Is this normal behavior after running Dirac?
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Post by KeithL on Mar 7, 2022 12:40:50 GMT -5
Dirac Live does really well... especially when it comes to things like imagine... because it can do not only frequency but phase corrections. That said, Dirac Live is doing a sort of h7ybrid correction, to correct both direct speaker response and room response together... So it may produce different results than other simpler systems.
However... 1. A lot of people seem to agree that Dirac Live tends to not like strong bass... and prefer to either create a custom Target Curve with a "bass bump" or raise the subwoofer level. 2. Dirac Live sets the channel levels relative to each other (so it makes no attempt to "hit" 75 dB). (And, with levels, all you're really trying to do is to match the levels on all the channels.) However, you can feel free to move the levels of all channels up or down by an equal amount, using the level trims, after running Dirac.
I just ran Dirac for the first time yesterday on my RMC-1 and the results seem to be a bit mixed. I have only ever used Audyssey on receivers/processors in the past. Overall, I feel the imaging and spaciousness seems to have improved however there are some things that I find odd. Before running it, I had all of my speakers level matched to 75db except the sub which I usually run a little hot at 80db. All speakers are set to small/80hz crossover for all channels except my front and rear heights for Atmos, which are set to crossover at 120hz. I followed the instructions from AVS forum listed above for level calibration -50 db for background noise and 20-30db increase for the speakers from the noise floor. However after running Dirac a couple things seem a bit off to me. I used a UMIK-1 calibrated by Spectrum labs and used the narrow band 90 degree file for it. I have the most recent firmware 2.5 for the RMC-1 and the newest version of Dirac live. I added a second PSA TV2112 sub last week before running Dirac for the first time. Overall, the bass seems to be heavily lacking after running Dirac and adding the second sub. There are a few scenes that I have tested countless times before and the overall bass/chest slam provided from these scenes almost non-existent. One thing I also noticed was that I had to increase my trim levels heavily to be able to achieve 75db with my SPL meter. My fronts Klipsch RF 7-iii had to be bumped from 2.5db to 7db-8db. Is this normal behavior after running Dirac?
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Post by darien87 on Mar 7, 2022 12:41:52 GMT -5
Hey Folks,
I've run Dirac a few times on my XMC-1 without issues and just got my XMC-2 last Tuesday. Ran Dirac on Sunday and I've got some questions.
1. At the mic calibration stage, I couldn't get my speakers to ever get "in the green" as per the demo video. No matter how high I turned up the mic gain the speaker level line stayed black. So I set the mic gain to about -30 db and then just set each individual speaker to about the same level. Dirac accepted this and I ran the calibration. Is this ok?
2. After doing the calibration I wanted to switch back and forth between the Dirac setting and no EQ to hear the difference. I couldn't figure out how to do this. I have the Dirac curve on Preset 1. When I would switch to Preset 2, my subs were off no matter what format I set the XMC to so I couldn't just switch back and forth between Preset 1 and 2 to compare. I see there is an "Equalization" tab in the speaker preset and I can switch between Dirac and User. Is that what I need to do? What am I missing?
3. Does Dirac ignore/negate the speaker level settings that I set up when I first plugged in my XMC-2? While watching the Avengers BD I noticed that the dialog seemed really low. When I turned up the volume enough so that dialog was clear, the subs were very loud. The Crown amp that I use to power one of my subs started clipping, (volume lights on the amp going up into the red area). Can I turn down the subs a bit while still using Dirac? I know you can change levels temproarily with the trim settings but I don't want to do that every time I watch a movie.
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Post by KeithL on Mar 7, 2022 12:59:26 GMT -5
1.
The "green zone" and "green stripe" have been removed from the Dirac Live display... Now you just set the speaker levels by the number values.
2. Preset 1 and Preset 2 are entirely independent. Therefore you have to set which speakers you do and don't have, and all the other settings, independently for each. (So, if you configure your speakers the same in both presets, you should get to hear your subs in both - in the same modes.)
3. Dirac Live treats the levels differently on the XMC-2 than it did on the XMC-1. When you run Dirac Live it will IGNORE any levels you have set before you run it. HOWEVER, it WILL NOT reset those levels to zero. So, after you run Dirac, the levels you had set before will still be there, and will be applied to the results. (Which will probably then make them wrong... so it's a good idea to set the trims to zero - either before or after running it.)
And... TRIMS are temporary... However, LEVELS set in SETUP | SPEAKERS | PRESET x | LEVELS are retained until you change them.
Hey Folks, I've run Dirac a few times on my XMC-1 without issues and just got my XMC-2 last Tuesday. Ran Dirac on Sunday and I've got some questions. 1. At the mic calibration stage, I couldn't get my speakers to every get "in the green" as per the demo video. No matter how high I turned up the mic gain the speaker level line stayed black. So I set the mic gain to about -30 db and then just set each individual speaker to about the same level. Dirac accepted this and I ran the calibration. Is this ok? 2. After doing the calibration I wanted to switch back and forth between the Dirac setting and no EQ to hear the difference. I couldn't figure out how to do this. I have the Dirac curve on Preset 1. When I would switch to Preset 2, my subs were off no matter what format I set the XMC to so I couldn't just switch back and forth between Preset 1 and 2 to compare. I see there is an "Equalization" tab in the speaker preset and I can switch between Dirac and User. Is that what I need to do? What am I missing? 3. Does Dirac negate the speaker level settings that I set up when I first plugged in my XMC-2? While watching the Avengers BD I noticed that the dialog seemed really low. When I turned up the volume enough so that dialog was clear, the subs were very loud. The Crown amp that I use to power one of my subs started clipping, (volume lights on the amp going up into the red area). Can I turn down the subs a bit while still using Dirac? I know you can change levels temproarily with the trim settings but I don't want to do that every time I watch a movie.
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Post by darien87 on Mar 7, 2022 13:56:46 GMT -5
1.
The "green zone" and "green stripe" have been removed from the Dirac Live display... Now you just set the speaker levels by the number values. 2. Preset 1 and Preset 2 are entirely independent. Therefore you have to set which speakers you do and don't have, and all the other settings, independently for each. (So, if you configure your speakers the same in both presets, you should get to hear your subs in both - in the same modes.) 3. Dirac Live treats the levels differently on the XMC-2 than it did on the XMC-1. When you run Dirac Live it will IGNORE any levels you have set before you run it. HOWEVER, it WILL NOT reset those levels to zero. So, after you run Dirac, the levels you had set before will still be there, and will be applied to the results. (Which will probably then make them wrong... so it's a good idea to set the trims to zero - either before or after running it.)
And... TRIMS are temporary... However, LEVELS set in SETUP | SPEAKERS | PRESET x | LEVELS are retained until you change them.
Thanks Keith. So I just need to set up Preset 2 for my 5.2 setup and I'll be able to switch back and forth between Dirac and no EQ? Also post-Dirac calibration I need to turn on Dirac and then do my speaker level matching again?
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Post by atomic4877 on Mar 7, 2022 15:03:33 GMT -5
Would it generally be better in your opinion to set the subwoofer levels the 5-10db higher in level calibration phase of dirac, or turning up the gain on the subwoofer 5-10db post calibration? As I see a couple people ready to dive into Dirac calibration this weekend I'd like to share a couple things. First, as we always recommend, please look at the first three posts of this thread for useful information on Dirac and the calibration method. Things have evolved with Dirac and users' understanding of it over the years and it's important to review the latest information as some methods and tutorials from even a year ago are out of date. I'll add a link here to a volume calibration method that was posted on AVSForum. I found it useful for the calibration I did yesterday. Yeah, after many dozens of Dirac calibrations over 3 1/2 years I still learn things.
mehlau.net/audio/dirac-live-2-mic-speaker-levels/A couple comments: - Most of us set the subwoofer level 5-10db higher than all the other speakers. If you don't do this, Dirac will measure the subs at a much lower level and the result will be a final volume alignment that requires you to turn the listening volume up several db. It's not necessarily a problem, but it is disconcerting to many people.
- If you set the calibration volume too high, Dirac will detect clipping and shut down the measurement to protect your speakers (and your ears). You'll have to go back and set the levels again.
- The link above mentions looking at the background noise on the Mic level slider and moving the Mic level so background noise is around -50db. Good recommendation. I set mine to -55db yesterday. Then I set my speaker levels to -26db and my sub level to -19db. Looking for the 20-30db signal to noise ratio. But depending on the efficiency of your speakers this may be too loud or too quiet. There is no one correct level for everyone.
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Post by marcl on Mar 7, 2022 16:24:20 GMT -5
Would it generally be better in your opinion to set the subwoofer levels the 5-10db higher in level calibration phase of dirac, or turning up the gain on the subwoofer 5-10db post calibration? As I see a couple people ready to dive into Dirac calibration this weekend I'd like to share a couple things. First, as we always recommend, please look at the first three posts of this thread for useful information on Dirac and the calibration method. Things have evolved with Dirac and users' understanding of it over the years and it's important to review the latest information as some methods and tutorials from even a year ago are out of date. I'll add a link here to a volume calibration method that was posted on AVSForum. I found it useful for the calibration I did yesterday. Yeah, after many dozens of Dirac calibrations over 3 1/2 years I still learn things.
mehlau.net/audio/dirac-live-2-mic-speaker-levels/A couple comments: - Most of us set the subwoofer level 5-10db higher than all the other speakers. If you don't do this, Dirac will measure the subs at a much lower level and the result will be a final volume alignment that requires you to turn the listening volume up several db. It's not necessarily a problem, but it is disconcerting to many people.
- If you set the calibration volume too high, Dirac will detect clipping and shut down the measurement to protect your speakers (and your ears). You'll have to go back and set the levels again.
- The link above mentions looking at the background noise on the Mic level slider and moving the Mic level so background noise is around -50db. Good recommendation. I set mine to -55db yesterday. Then I set my speaker levels to -26db and my sub level to -19db. Looking for the 20-30db signal to noise ratio. But depending on the efficiency of your speakers this may be too loud or too quiet. There is no one correct level for everyone.
It's really two separate things. Doing the calibration with the sub volume higher than the speakers does not result in higher sub level when listening. It prevents Dirac from lowering all the speakers levels as much during calibration. Either way the sub level will be matched to the other speakers when calibration is done, but if you set the sub volume the same as the speakers in calibration, the listening level will be reduced. And I have to say ... this is usually the case for most people but may vary depending on efficiency of the other speakers.
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Post by AudioHTIT on Mar 8, 2022 10:39:06 GMT -5
This post is about this thread, and not about Dirac itself! I apologize for going OT, but as this relates to this thread I though you would be the best ‘audience’.
I normally view The Lounge using the “Newest Threads” link, this link allows us to view the threads in the Lounge, sorted by those threads with the newest posts first. For the last couple weeks I haven’t been able to see this thread when I use this ‘sort’. No matter how many pages I scroll through, the thread isn’t there. I instead had to bookmark the thread and look in my bookmarks, or click the notification when someone posts.
Is anyone else seeing this behavior? If so what device and browser are you using? I’m normally on an iPad Pro with Safari and iPadOS 15.x (but Chrome is the same).
Thanks, I don’t want to derail the thread, but wanted to find out what others are seeing.
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KeithL
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Post by KeithL on Mar 8, 2022 10:48:10 GMT -5
Hmmmm.... I use FireFox and this came up right at the top when I did a "Latest Posts"....
This post is about this thread, and not about Dirac itself! I apologize for going OT, but as this relates to this thread I though you would be the best ‘audience’. I normally view The Lounge using the “Newest Threads” link, this link allows us to view the threads in the Lounge, sorted by those threads with the newest posts first. For the last couple weeks I haven’t been able to see this thread when I use this ‘sort’. No matter how many pages I scroll through, the thread isn’t there. I instead had to bookmark the thread and look in my bookmarks, or click the notification when someone posts. Is anyone else seeing this behavior? If so what device and browser are you using? I’m normally on an iPad Pro with Safari and iPadOS 15.x (but Chrome is the same). Thanks, I don’t want to derail the thread, but wanted to find out what others are seeing.
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Post by KeithL on Mar 8, 2022 10:49:41 GMT -5
Dirac will set the speaker levels as part of its calibration - so, at least in theory, you can just leave them set to 0 dB. (Unless, of course, you don't agree with the levels Dirac sets them to ) 1.
The "green zone" and "green stripe" have been removed from the Dirac Live display... Now you just set the speaker levels by the number values. 2. Preset 1 and Preset 2 are entirely independent. Therefore you have to set which speakers you do and don't have, and all the other settings, independently for each. (So, if you configure your speakers the same in both presets, you should get to hear your subs in both - in the same modes.) 3. Dirac Live treats the levels differently on the XMC-2 than it did on the XMC-1. When you run Dirac Live it will IGNORE any levels you have set before you run it. HOWEVER, it WILL NOT reset those levels to zero. So, after you run Dirac, the levels you had set before will still be there, and will be applied to the results. (Which will probably then make them wrong... so it's a good idea to set the trims to zero - either before or after running it.)
And... TRIMS are temporary... However, LEVELS set in SETUP | SPEAKERS | PRESET x | LEVELS are retained until you change them.
Thanks Keith. So I just need to set up Preset 2 for my 5.2 setup and I'll be able to switch back and forth between Dirac and no EQ? Also post-Dirac calibration I need to turn on Dirac and then do my speaker level matching again?
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Post by AudioHTIT on Mar 8, 2022 10:52:53 GMT -5
Hmmmm.... I use FireFox and this came up right at the top when I did a "Latest Posts"....
This post is about this thread, and not about Dirac itself! I apologize for going OT, but as this relates to this thread I though you would be the best ‘audience’. I normally view The Lounge using the “Newest Threads” link, this link allows us to view the threads in the Lounge, sorted by those threads with the newest posts first. For the last couple weeks I haven’t been able to see this thread when I use this ‘sort’. No matter how many pages I scroll through, the thread isn’t there. I instead had to bookmark the thread and look in my bookmarks, or click the notification when someone posts. Is anyone else seeing this behavior? If so what device and browser are you using? I’m normally on an iPad Pro with Safari and iPadOS 15.x (but Chrome is the same). Thanks, I don’t want to derail the thread, but wanted to find out what others are seeing. Thanks, mine also works when I use “Latest Posts”, but not when using “Newest Threads”.
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Post by darien87 on Mar 8, 2022 13:47:25 GMT -5
Dirac will set the speaker levels as part of its calibration - so, at least in theory, you can just leave them set to 0 dB. (Unless, of course, you don't agree with the levels Dirac sets them to ) Thanks Keith. So I just need to set up Preset 2 for my 5.2 setup and I'll be able to switch back and forth between Dirac and no EQ? Also post-Dirac calibration I need to turn on Dirac and then do my speaker level matching again? Thanks again Keith.
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Post by geebo on Mar 8, 2022 14:31:15 GMT -5
This post is about this thread, and not about Dirac itself! I apologize for going OT, but as this relates to this thread I though you would be the best ‘audience’. I normally view The Lounge using the “Newest Threads” link, this link allows us to view the threads in the Lounge, sorted by those threads with the newest posts first. For the last couple weeks I haven’t been able to see this thread when I use this ‘sort’. No matter how many pages I scroll through, the thread isn’t there. I instead had to bookmark the thread and look in my bookmarks, or click the notification when someone posts. Is anyone else seeing this behavior? If so what device and browser are you using? I’m normally on an iPad Pro with Safari and iPadOS 15.x (but Chrome is the same). Thanks, I don’t want to derail the thread, but wanted to find out what others are seeing. I have also noticed this. The thread will show up in "Latest Posts" but not in "Newest Threads". I've talked to another member and he gets the same results so there is at least three of us.
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Post by marcl on Mar 10, 2022 9:52:41 GMT -5
I move the UMIK-1 mic around on a long boom stand so I can reach all the positions from behind the couch without moving the base of the stand. This allows me to get more consistent placement of the mic, as well as saves a lot of time in the calibration process. But I've had this problem with the USB cable attachment to the UMIK-1. At least two or three times the connector has bent as I moved the mic to new positions ... even being as careful as I can be not pulling on the cable. So I think this will be a good solution: A short pigtail, heat shrink tubing, and a USB extension cable. Of course, a simple thing like this couldn't be simple ... I ordered a box with an assortment of tubing sizes so I'd have them for future projects. Turns out for this project, there were just TWO sizes ... too big and too small. But I was clever enough and I think this will work nicely. Now the only problem I have left is .... do you say "ooh-mick" or "you-mike"?
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