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Understand the Equalizer Parameters in Pro Tools

Understanding equalizer parameters provides you with in-depth training on Audio + Music. Taught by B… Show More

Audio Mixing Bootcamp

with Bobby Owsinski

Video: Understand the Equalizer Parameters in Pro Tools

Understanding equalizer parameters provides you with in-depth training on Audio + Music. Taught by Bobby Owsinski as part of the Audio Mixing Bootcamp
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  1. 1m 16s
    1. Welcome
      1m 16s
  2. 8m 20s
    1. Determining the listening position
      2m 27s
    2. Fixing acoustic problems
      2m 5s
    3. Setting up your monitors
      3m 48s
  3. 20m 17s
    1. Setting up your session
      5m 52s
    2. Setting up your subgroups
      7m 50s
    3. Setting up your effects
      6m 35s
  4. 8m 45s
    1. Developing the groove
      3m 46s
    2. Emphasizing the most important elements
      3m 44s
    3. Knowing what to avoid
      1m 15s
  5. 1h 4m
    1. Learning the principles of building a mix
      1m 1s
    2. Assigning the drums to a subgroup
      3m 55s
    3. Building the mix from the kick
      10m 8s
    4. Building the mix from the snare
      8m 46s
    5. Building the mix from the toms
      5m 25s
    6. Building the mix from the overhead mics
      3m 53s
    7. Checking the drum phase
      4m 44s
    8. Balancing direct and miked bass channels
      3m 36s
    9. Building the mix from the bass
      3m 26s
    10. Building the mix from the vocals
      4m 19s
    11. Balancing the rhythm section
      2m 44s
    12. Balancing the rest of the instruments with the rhythm section
      5m 22s
    13. Making a mix without building it
      4m 20s
    14. Balancing the harmony vocals
      2m 35s
  6. 23m 2s
    1. Looking at the three main panning areas
      9m 23s
    2. Panning the drums
      6m 9s
    3. Avoiding pseudo-stereo
      7m 30s
  7. 1h 17m
    1. Understanding compressor parameters
      3m 42s
    2. Setting up the compressor
      14m 45s
    3. Compressing the drums
      7m 53s
    4. Compressing the room mics
      4m 9s
    5. Compressing the bass
      5m 24s
    6. Using the New York compression trick
      4m 23s
    7. Compressing the clean electric guitars
      4m 40s
    8. Compressing the distorted electric guitars
      4m 48s
    9. Compressing the acoustic guitars
      8m 7s
    10. Compressing the piano
      6m 35s
    11. Compressing the electric keyboards
      4m 32s
    12. Compressing the vocals
      4m 34s
    13. Compressing the horns
      3m 55s
  8. 25m 36s
    1. Learning noise gate basics
      9m 23s
    2. Using the noise gate on guitars
      3m 57s
    3. Using the noise gate on drums
      7m 38s
    4. Learning de-esser basics
      2m 15s
    5. Using the de-esser on vocals
      2m 23s
  9. 36m 5s
    1. Understanding equalizer parameters
      10m 16s
    2. Learning subtractive equalization
      8m 58s
    3. Learning frequency juggling
      8m 28s
    4. Using the magic high-pass filter
      7m 39s
    5. Learning the principles of equalization
  10. 49m 46s
    1. Equalizing the kick
      6m 7s
    2. Equalizing the snare
      2m 57s
    3. Equalizing the rack toms
      5m 4s
    4. Equalizing the floor tom
      4m 32s
    5. Equalizing the hi-hat
      4m 56s
    6. Equalizing the cymbal or the overhead mics
      6m 49s
    7. Equalizing the room mics
      5m 13s
    8. Equalizing the bass
      3m 59s
    9. Editing the bass rhythm
      4m 21s
    10. Equalizing the rhythm section
      5m 48s
  11. 47m 58s
    1. Equalizing the electric guitar
      8m 15s
    2. Equalizing the acoustic guitar
      4m 55s
    3. Equalizing the hand percussion
      3m 28s
    4. Equalizing the lead vocals
      6m 5s
    5. Equalizing the background vocals
      4m 14s
    6. Equalizing the piano
      4m 46s
    7. Equalizing the organ
      6m 49s
    8. Equalizing the strings
      6m 4s
    9. Equalizing the horns
      3m 22s
  12. 30m 47s
    1. Learning the principles of reverb
      1m 59s
    2. Understanding reverb parameters
      6m 49s
    3. Timing the reverb to the track
      6m 6s
    4. Equalizing the reverb
      2m 51s
    5. Using the two-reverb quick setup
      5m 35s
    6. Using the three-reverb setup
      7m 27s
  13. 59m 8s
    1. Adding reverb to the drums
      7m 56s
    2. Adding reverb to the vocals
      11m 59s
    3. Adding reverb to the guitars
      5m 17s
    4. Adding reverb to the piano
      4m 19s
    5. Adding reverb to the organ
      3m 43s
    6. Adding reverb to the strings
      5m 36s
    7. Adding reverb to the horns
      2m 57s
    8. Adding reverb to the percussion
      4m 46s
    9. Using reverb to layer the mix
      12m 35s
  14. 46m 8s
    1. Learning delay principles
      1m 40s
    2. Understanding delay parameters
      6m 54s
    3. Timing the delay to the track
      1m 28s
    4. Using delay timing variations
      2m 51s
    5. Equalizing the delay
      4m 23s
    6. Understanding the Haas effect
      2m 51s
    7. Using the three-delay setup
      7m 23s
    8. Adding delay to the vocals
      8m 43s
    9. Using delay to layer the mix
      9m 55s
  15. 21m 35s
    1. Understanding the types of modulation
      2m 43s
    2. Understanding modulation parameters
      4m 13s
    3. Modulating the guitars
      4m 7s
    4. Modulating the keyboards
      3m 17s
    5. Modulating the vocals
      4m 17s
    6. Modulating the strings
      2m 58s
  16. 12m 22s
    1. Mixing with subgroups
      5m 5s
    2. Using mix buss compression
      4m 21s
    3. Understanding the evils of hypercompression
      2m 56s
  17. 39s
    1. Goodbye

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Understanding equalizer parameters
Video duration: 10m 16s 8h 53m Beginner


Understanding equalizer parameters provides you with in-depth training on Audio + Music. Taught by Bobby Owsinski as part of the Audio Mixing Bootcamp

Audio + Music
Pro Tools

Understanding equalizer parameters

Most equalizers sound a whole lot different from one another, even though they might have the same basic parameters. Let's look at the controls of the basic Pro-Tools-native EQ plug-in. Now the one thing that differentiates one EQ from another is the number of bands it has. And as you can see here, we have a five-band equalizer: low frequency, low-mid frequency, mid frequency, high-mid, and high frequencies. Sometimes you'll only have four bands instead of five; sometimes you'll have three bands, sometimes you have even two bands, like on a guitar amp.

In this case, even though there are five bands, you can only use four at a time. The difference here is for the most part they're parametric equalizers, and parametric equalizers give you the ability to control three different parameters of the equalizer. You can control the gain, what frequency it works on, and you can control something called Q, and what this means, it's the quality of the filter that's being used. And really a better name for it is bandwidth, and bandwidth is how many frequencies it's working on at the same time.

Just to show you difference between the three parameters, let's play a little with the low-mid frequency on the Snare Drum Top. (music playing) Now there are two hundred cycles here, but the first thing we're going to do is just boost the gain, have a listen. (music playing) That sounds way boxy, but you heard it. (music playing) And now when we cut it, you hear the two hundred cycles go away, but it's more than two hundred cycles.

As you can see, it's everywhere from about thirty cycles up to about 5K or so that's being effected at the same time. Now the beauty of the Q control is you can control the number of those frequencies. Take notice, we can zero in on a very narrow band of frequencies. And frequency control allows us to sweep those. You can hear it if you open this up a little bit. (music playing) I can really hear that what we've done is we've eliminated a lot of the lower- mid frequencies, and it sounds pretty boxy there.

(music playing) We can do the same thing if we boost the frequencies as well. (music playing) Now it's at 1K, and you can hear the difference. Now watch when we open up the bandwidth. (music playing) And what we've done there is basically control almost all the frequencies, but it's centered around that 1K, which you see in the frequency window there.

So from 1K, it gets the most boost, and it rolls off from there. And as we move our bandwidth control, our Q control, still it's centered around 1K, but there are fewer and fewer frequencies that are controlled. Now, let's listen right there and what happens? Let's play it and just sweep through the frequencies, starting at 1K and moving downwards. (music playing) And of course now we're down below the main frequencies of the snare drum, so it's not going to affect it too much.

Each band has an IN and OUT control. As you can see on the graph there, EQ goes away until we put it in again, and there it is. The other thing that's interesting here is the fact that we can only have four bands at the same time. So now when we bypass the low-mid frequency, the mid frequency is available to us. Let's go to high-mid frequency and listen as we sweep through that as well. (music playing) Now you can really hear it. (music playing) And what we're going to do now is we're going to take that Q and we're going to make it really narrow and sweep through everything.

(music playing) Sometimes a combination of a really tight Q like this and a lot of gain makes the equalizer ring a little bit. And we can hear it here. It gives it kind of an overtone, and that's equalizer actually distorting a little bit, and that's because we've actually pushed the parameter controls just a little beyond what they're capable of doing. So we have to be very careful.

Generally speaking, any equalizer sounds best if you don't push it really, really hard. In this case, 18 dB of gain is way more than we usually use on just about anything. (music playing) And if we back off on that a little bit-- (music playing) Open up the Q. (music playing) And you can hear the difference. The high and low frequency controls also have an additional parameter which turns the band into either peaking or shelving.

And you can see that here, watch. Take the high frequency and you can see it looks like a shelf. Let's have a listen. (music playing) And you can see, in this case, everything from about 3K up to 20K is pretty much the same level. We can change this to peaking control, and you can see the difference, and you can hear the difference. (music playing) One isn't necessarily better than the other; it depends on the situation.

It just gives you a lot of extra variations and a lot of extra ability. Now a couple of other parameters that we have that aren't available in all equalizers. There is a high- and lowpass filter which are very, very powerful and used quite often. And what this will do is it will either cut all the frequencies off on the low end or on the high end. And watch what happens. If we go to the highpass filter and we put it in, and you can see there are two parameter controls. One is a frequency control and the other is a Q control.

Once again, let's listen as we sweep the frequencies. (music playing) And what it's doing, it's cutting off all the low frequencies. Now we can exaggerate that by changing how quickly that roll-off becomes. 6 dB per octave is fairly gentle, and we can move this up to 24 dB per octave, and now watch when we sweep. (music playing) Now at about six hundred cycles you hear it, and before it was probably at about 3K before you start to hear it sound very similar.

It's very, very effective, but it also can add a little bit of ring, just like you heard when we boosted the Q and the Gain in the high-mid frequencies. The same thing can happen, and that's why most engineers keep it just at 12 or 18 dB per octave, and you can see how the roll-off changes. These are the number of frequencies that are controlled by the highpass filter. The other thing we have is a lowpass filter, and that's going to allow lows to pass and will attenuate the highs. Let's have a listen. (music playing) Now you can hear all the high frequencies go away, and the same thing happens here in that we have a Q control that allows us to control how fast those high frequencies go away.

(music playing) The high- and lowpass filters are very, very powerful and used by most of the top engineers more than you'd know. Just about every time you have an instrument, you can always use a high- and low- pass filter to help shape the sound a little bit. There are two other controls that we have: an Input control and an Output control. The Input control allows us to either attenuate or boost the level into the Equalizer plug-in.

The Output control allows us to either boost or attenuate the output coming out of the back end. And the reason why we would want that is the Input control will sometimes keep the Equalizer from overloading if a signal is too hot coming into it. And the Output control can either back off the signal so the next stage doesn't overload, or in fact, it will boost up the signal to where it was if you attenuate a lot on the EQ bands. (music playing) We can see the meters on the top. We have an IN and OUT control.

And when we back off in the input, the level goes down, and we can see the level goes down on the meter. (music playing) Now what we did is we actually peaked into the red, and by clicking, we get rid of those peaks. And the other thing that happens is the Output control-- (music playing) Just like you'd expect. One of the most important parts of an Equalizer is the Bypass control.

It's really important to be able to hear what the sound was originally before you EQed it and compare both of them, because sometimes you're not making it any better; you're just making it different. And to be able to go back and forth with just a flip of a button is really important, and it's something that you shouldn't forget is there. So those are the parameters of a typical Equalizer. Remember that with an Equalizer, less is sometimes a lot more, so make sure you use it judiciously.

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