12 line array cab plan |
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gen0me
Young Croc Joined: 20 February 2016 Location: UK Status: Offline Points: 999 |
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Posted: 03 February 2019 at 6:22pm |
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There is nothing in those links...
Can you somehow export the data? More accurate: is all data encrypted? Or it depends on speakerLab file creator? Can you reopen file in speakerLab and get the directivity data? Do you even know how accurate is the data supplied? You were asking about smoothing... so there is no way to find out?
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toastyghost
The 10,000 Points Club Joined: 09 January 2007 Location: Manchester Status: Offline Points: 10920 |
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It would have taken you two seconds to Google:
http://ease.afmg.eu/index.php/gll-loudspeaker-format.html http://ease.afmg.eu/index.php/compare-loudspeaker-formats.html How the data is derived is down to the manufacturer and the lab that generates the files. The big guys do it in-house, other people use University labs or places like Four Audio. They use EASE SpeakerLab to generate and adjust the data set: http://ease.afmg.eu/index.php/ea_sl_features.html Tons of screenshots of the processes there. You also enter the Maximum Input Voltage of the box to truly show it's SPL capability. Often this is done using a CEA shaped noise that replicates music, but I would wager many people will move to Meyer's new M-Noise now that it's available - depending on how they find the results. Of course, it allows you to change the filtering or preset loaded per box, if the manufacturer supports that and it is part of the design. EASE also models the cabinet, to an extent. A line array does insert vertices and faces, for the layout of the cabinet, with the materials selected and absorption coefficient data for those known. EASE is hardly unknown or new software, it's not super modern in interface but the maths is very sound. |
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gen0me
Young Croc Joined: 20 February 2016 Location: UK Status: Offline Points: 999 |
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Can you export this directivity data? Or can you find this data directly? Doesnt matter if Amplitude,phase or real, imaginary, leveldb phase... And btw is it the same directivity data for every box? Or depending on a place in a stack?
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godathunder
Old Croc Joined: 19 July 2004 Location: wicklow Status: Offline Points: 1833 |
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exactly the same info I got from electrotec about how they used to array the old labq boxes |
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LOUDER THAN LOUD
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toastyghost
The 10,000 Points Club Joined: 09 January 2007 Location: Manchester Status: Offline Points: 10920 |
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I'm curious now if this theoretical MT4 GLL data would include the absorption coefficient for the carpet on the sides of the box or not...
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Earplug
Old Croc Joined: 03 January 2012 Location: Europe Status: Offline Points: 7199 |
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Yes - I´ve worked a lot with the system and done everything from simple single stack a side setups to large arenas. And depending on the gig, we would take up to 3 MTL-4 cabinets per MTH-4! |
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Earplugs Are For Wimps!
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madboffin
Old Croc Joined: 03 July 2009 Location: Milton Keynes Status: Offline Points: 1537 |
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ROFL. The usual method of arraying, believe it or not, was "chequerboarding" the high and low boxes. And how about the Clair S4, in the usual rectangular festival stack? We all like to complain about the deficiencies of line arrays, but these youngsters don't know what they are missing... |
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toastyghost
The 10,000 Points Club Joined: 09 January 2007 Location: Manchester Status: Offline Points: 10920 |
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EASE is relatively old software but I’m not sure you understand what I mean by data - it’s a full 3D balloon, in 1 degree increments, of magnitude, phase, IR etc all taken in an anechoic or semi-anechoic environment.
It costs a good chunk of cash to have the data measured using say a Four Audio ELF, and then a license fee to generate the data into an EASE compatible file. Old stuff simply won’t exist, it wasn’t really considered by most then. Line array software and other boxes from more data based companies is yet another reason why these companies began to dominate, alongside the training programs. It’s not just about the speaker itself. |
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Earplug
Old Croc Joined: 03 January 2012 Location: Europe Status: Offline Points: 7199 |
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What about the MT4? Can you get the data for those? I´d love to see what they look like! |
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Earplugs Are For Wimps!
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fatfreddiescat
Young Croc Joined: 15 October 2010 Location: N.E.Wales Status: Offline Points: 1081 |
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I guess not comparable, thought it may be of interest as seems to take a quite different approach to other line arrays. Would be nice to see how the old flashlight would hold up, really can't see there will ever be any files available to play with though.
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toastyghost
The 10,000 Points Club Joined: 09 January 2007 Location: Manchester Status: Offline Points: 10920 |
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I would, gladly, if they ever published any useful data EVO GLL do exist, I’m just waiting for someone to slip me a set of files without getting in trouble with the farm. They keep them very close to their chest, same for Vero aiming software which people have explicitly been told not to share with me, apparently... Which is a shame, since it’s one of the three or four big point source systems out there and we’re somewhat singing from the same hymn sheet. Edited by toastyghost - 29 January 2019 at 2:32pm |
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Lad
Registered User Joined: 01 February 2013 Location: Slovakia Status: Offline Points: 153 |
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Any Funktion One? Vero or EVO7.. Or old school array of Flashlights.
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with regards, Ladislav
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