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Now see, this is the sort of thread I can sink my teeth into.
There are several types of EQs. Each designed with a different set of priorities.
Minimum phase, which is what most DAWs ship with, is a straight forward boring old EQ, which is designed to have as little impact on the phase of the material as possible, but doesn't do any magic with it like the linear phase EQ does. Linear phase EQs are designed to have effectively zero phase shift, but they actually just move half the phase shift forward in time, so they do so at the expense of preringing, which means that you might hear a bit of the signal before it actually is meant to occur, this smears transients sometimes. They also can't be 0 latency because of the way that they shift the signal forward to eliminate phasing problems.
Some EQs have both settings like the pro q, so you can select which option you want. Minimum phase 0 latency for tracking, linear phase for mastering, maybe, if you like having fucked up transients. Without going into the details, there are some times when linear phase EQs can smear transients less, so they can be appropriate.
As well as the minimum phase/linear distinction, some EQs have added character features, like some distortion, boosts/cuts at certain frequencies etc.
Another class of Features to watch out for are those EQs with M/S features, those EQs need to be run in linear phase mode, or you'll get weird L/R phase issues apparently.
| quote: | Originally posted by Richard Butler
Do you use a quality EQ on every channel?
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on every channel might yield benefits in terms of making the whole mix more cohesive. Every channel will have the same little bit of distortion etc on it, so it might make all the sources sound like they're coming from the same place more, which is something people working ITB often complain that their mixes lack. On the other hand, not every character EQ will suit every mix, so they aren't as versatile.
Other than that, most minimum phase digital EQs do null, so if you just want to chop up frequencies in a really straight way without any character, and aren't interested in phase considerations, then it doesn't matter which EQ you pick.
| quote: | Originally posted by G-Con
Oh and Kitphillips, does your post about them all sounding the same not contradict that video you posted a few weeks back showing the mastering house that had problems with most cheap eq's adding noise to the kick. Do you remember the video I'm referring to? |
Yeah I do... Mmm... I'm not expert here, but I think the point that the video showed was that you should be careful of phase considerations when making large boosts/cuts in the bass. I don't think there are any EQs which can really avoid that issue, even analogue EQs shift phase AFAIK.
Point is, a linear phase EQ will smear the transient, but a normal EQ willl shift the phase backwards, so its really just a matter of choosing if you want the transient smeared or the end of the sound smeared. But EQs of the same family (linear/non linear) will null, excepting some certain character things which might be included.
Could be totally wrong about that of course, but thats how I understand it.
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