Topic: is this normal for the limiter? 722 waveform

[terrapinj]

The limiter STARTS at 6.  If you do any testing you'll see that you can still fully clip the 722 with the limiter.  And, of course, everyone should actually test the limiter before using it...

Now that we know horns are involved, I think the waves look pretty much as expected. At this point controlled testing is necessary.

to clarify there are horns in the band but there were none in this sample - drums/bass/organ - also, shouldn't the left channel look somewhat similar to the right if it was just the music creating the waveform?

good point about the limiter kicking in AT 6db not holding the music to 6db

[it-goes-to-eleven]

good point about the limiter kicking in AT 6db not holding the music to 6db

It isn't well documented in the manual.  I had a fair bit of discussion with Justin about it when I discovered the bass roll off clipping distortion problem.  Have you done any testing?

It would be cool to do a limiter vs. no limiter comp on a source that peaks below -6. Just to get an idea how much potential impact there is with the limiter enabled but not active. But I still wouldn't use it..

[terrapinj]

good point about the limiter kicking in AT 6db not holding the music to 6db

It isn't well documented in the manual.  I had a fair bit of discussion with Justin about it when I discovered the bass roll off clipping distortion problem.  Have you done any testing?

It would be cool to do a limiter vs. no limiter comp on a source that peaks below -6. Just to get an idea how much potential impact there is with the limiter enabled but not active. But I still wouldn't use it..

i didn't do any testing. i basically engaged the limiter for stealth situations in case i had my levels way too high to avoid clipping. i know there was nasty distortion with earlier versions of the firmware but that was supposed to be resolved now AFAIK. i have never had the limiter actually engage but this time i was apparently way too hot in the right channel.

im gonna try to do some more testing and see if i can replicate this

[BayTaynt3d]

Manual states this: -4 thresh, 20:1 ratio, 5ms attack, 200ms release (should cap at -6)

Also, is the channels are "linked" then so is the limiter.

But, this doesn't explain your waveform, and now your results do look pretty weird. Except for very, very fast attack transients, you shouldn't ever see anything above -6. Weird. Is it possible the limiter was only engaged on chan 1? Is that even possible, that could explain it. The asymetical wave is from the horns, but only chan 1 was limited. Otherwise, that truely is weird?

I wrote this earlier, but I think I got the 4 and 6 mixed up. But regardless, someone please tell me that with a -6 thresh and a 20:1 ratio with a 5 ms attack how anything gets much farther than -4? It'd have to be one hell of a loud and fast transient. So, for whoever said they still clipped with the limiter, I find that really surprising considering the specs of the limiter.

That said, now that I see I transposed the -4 and -6, that could potentially explain this. For the one channel nothing much makes it past -6, so not much limiting there. For the other channel, the one side of the polarity seems to be going past -6 but the other side isn't, which can be explained by horns, but he said there wasn't any horns in that clip. But regardless of that, it seems like there was an asymetrical waveform (could be coming out of the PA that way) that only got limited on the one side, because it was only that side that went beyond -6. And if you look at it, it seems like it got close to -4, but never beyond that. So that seems reasonable. It just looks a little weird because the other side of the polarity so perfectly holds its level that it looks like it was limited too -- but given the specs, it doesn't seem like it was in range to be limited yet.

[BayTaynt3d]

Also, is this thing limiting in the analog or digital realm? The R4 limits digitally, which seems pretty pointless to me, so I wonder about the 722?