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Replacing/duplicating a Meyer analog processor?
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<blockquote data-quote="Josh Millward" data-source="post: 149009" data-attributes="member: 970"><p>Re: Replacing/duplicating a Meyer analog processor?</p><p></p><p></p><p></p><p>You could absolutely do this kind of thing with a MediaMatrix NION processor. You just need to thoroughly define what you want to have happen beforehand, and that, I believe, is the real problem with trying to replicate this particular processor's function. Only the designers at Meyer know what the processor does, and I doubt you are going to get them to tell you. If you could get that information from them, you could absolutely replicate the behavior with a NION. </p><p></p><p>The trick is with getting the sense lines back into the NION. You can use a line or mic/line input card and add some external pad to drop the signal level coming from the amplifier output down to something that is reasonable. Basically, you want to drop it to the point where when the amp is running full tilt boogie, you have about 30 to 33dBu at the input of the NION. Then you can start setting up conditional situations where the crossover point moves, limiting engages, EQ changes, or phase adjustment changes all based on the input level at the returns from the amplifier. </p><p></p><p>Basically, it would take a LOT of woodshedding to sort out, but it could be completely handled. As I said above, the key is getting a good definition up front regarding what the processor is actually doing. That could take the form of getting real engineering information from Meyer (yeah, good luck with that one!!! There is at least one spec sheet where they list the amplifier power in a product as "Adequate") or take a processor, hook a loudspeaker or two up to it and start taking measurements at all different signal levels and maybe with different spectral content: noise burst, sine sweep, pink noise, and even different music selections. Obviously you will need both magnitude and phase information for all these measurements.</p><p></p><p>Once you have a good idea what the processor is actually doing, only then can you start building your signal flow and setting up the real time adjustments that need to happen. It could be done, it is just really, really time consuming. Ergo, unless you are game for putting in all that time and effort to reverse engineer what the analog box is doing, you are far ahead of the curve to just buy more of the analog controllers. If you can find them. </p><p></p><p>Have fun and good luck!</p></blockquote><p></p>
[QUOTE="Josh Millward, post: 149009, member: 970"] Re: Replacing/duplicating a Meyer analog processor? You could absolutely do this kind of thing with a MediaMatrix NION processor. You just need to thoroughly define what you want to have happen beforehand, and that, I believe, is the real problem with trying to replicate this particular processor's function. Only the designers at Meyer know what the processor does, and I doubt you are going to get them to tell you. If you could get that information from them, you could absolutely replicate the behavior with a NION. The trick is with getting the sense lines back into the NION. You can use a line or mic/line input card and add some external pad to drop the signal level coming from the amplifier output down to something that is reasonable. Basically, you want to drop it to the point where when the amp is running full tilt boogie, you have about 30 to 33dBu at the input of the NION. Then you can start setting up conditional situations where the crossover point moves, limiting engages, EQ changes, or phase adjustment changes all based on the input level at the returns from the amplifier. Basically, it would take a LOT of woodshedding to sort out, but it could be completely handled. As I said above, the key is getting a good definition up front regarding what the processor is actually doing. That could take the form of getting real engineering information from Meyer (yeah, good luck with that one!!! There is at least one spec sheet where they list the amplifier power in a product as "Adequate") or take a processor, hook a loudspeaker or two up to it and start taking measurements at all different signal levels and maybe with different spectral content: noise burst, sine sweep, pink noise, and even different music selections. Obviously you will need both magnitude and phase information for all these measurements. Once you have a good idea what the processor is actually doing, only then can you start building your signal flow and setting up the real time adjustments that need to happen. It could be done, it is just really, really time consuming. Ergo, unless you are game for putting in all that time and effort to reverse engineer what the analog box is doing, you are far ahead of the curve to just buy more of the analog controllers. If you can find them. Have fun and good luck! [/QUOTE]
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