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Amplitude, Levels and Loudness | iZotope Pro Audio Essentials

Amplitude is the term we use when were talking about level. The vertical axis that you see on the right side of the spectrum shows the level or amplitude of a signal. A lower amplitude will be heard is quieter than a higher amplitude.

When were using an EQ to add amplitude and a certain frequency area, that's generally referred to as a boost. When we remove amplitude we call that a cut. You'll be practicing boots and cuts at different frequency points when you use the EQ practice tool.

The unit we use to describe amplitude is called the decibel or dB. Take a look at the meter on the right. You see a signal that sitting at -5 dBFS. Now I'm going to open up a fader like what you see in your DAW, and I'm going to turn the signal up, by 2 dB on the fader. If we look back at the meter, we now have a level of -3 dBFS. Let's go back to the fader. Now I will bring the signals down 3 dB, and you'll see tha

Types of EQ | iZotope Pro Audio Essentials

In this video, we're going to spend a few minutes talking about the different types of equalizers and their purposes.

Shelving EQ (0:10)

Let's start with an EQ type that you've probably used all your life, maybe without knowing it, the shelving EQ, look familiar? If you've ever turned up the bass or treble on your car radio, you've used something like this.

The name is descriptive. It looks like a shelf, with an entire range of frequencies being affected equally, above or below the frequency being affected.

How to use the EQ Practice Tool | iZotope Pro Audio Essentials

Hi.

In this video will take a look at the EQ practice tool, which you can use to improve your skills and ear training, and see how different areas of the spectrum affect instrument groups, and sound characteristics. Now that you've watched the videos about EQ. You'll recognize some of the features.

This is a straightforward EQ spectrum, similar to the one you might see in your plug-in or in your DAW. Frequency markers appear horizontally across the top, and amplitude is notated vertically on the side. Play one of the songs and drag the peak EQ points to listen to how your boots and cuts affect the sound.

We have limited the frequency and amplitude points to give you a few to play with, so that you can learn about EQ. We've chosen these points, because they're easy to hear, one compared to the next. When you start getting better at EQ, you can experiment on your own with your EQ tools, and experi

The Whats and Whys of Compression | iZotope Pro Audio Essentials

Compression is an important tool. When it can be challenging to grasp, it can enhance a recording or ruin it. It has so many uses. It's challenging to know where to begin when describing it. If you have one thing to remember about compression, understand that its main function is to control dynamic range, which is the difference between the loudest and the quietest sounds in a recording.

So what is compression? Well, you can think of it like a tiny engineer who's constantly riding the faders to adjust the level, so that there's consistency across an entire recording. Compression settings determine how active that tiny engineer is well keeping the dynamic range and check. Compression works by reducing the loudest sounds so that they fit into a smaller dynamic range. The result is that there isn't as much contrast between the loudest and the quietest sounds. There's more consistency in the level,

Dynamics, RMS and Peak Levels | iZotope Pro Audio Essentials

There are two ways we describe and measure level, and to help us understand how compression works, we need to understand them. They're called Peak Level and Average Level.

Peak Level is the instantaneous measurement of level. It's important because it lets us know the highest level of the audio, and how close it is to the ceiling, or the maximum allowable level before distortion.

Average Level is a measurement of the average energy that occurs over a window of time. We typically use a window of about 300 milliseconds or one third of a second. This is connected to the way our brain evaluate the level or loudness of a sound.

When you look at the waveform of a recording, you can usually see the peak and the average level pretty clearly. If you zoom out and look at an entire song, you can even navigate the different sections by interpreting the different than average level between the verse and the ch

Listening to Compression | iZotope Pro Audio Essentials

In our series of videos will look at some common compression parameters, so you can understand how to optimize your compressor, for whatever thing you're working with.

Well, this is not meant to be an exhaustive list of parameters it does cover. The main parameters found in fully adjustable hardware and software compressors.

It's a good idea to develop some mastery over the individual parameters, so that you can tailor compression to suit your particular music and taste. When you work with compressors you'll understand that in the end, all the parameters interact with each other. So, no single parameter is more important than the others, and adjustment to one will likely have an effect on the behavior of the others.

Remember, it takes time to learn compression effectively, in part because it takes time to learn to hear the effect of compression well. I'll tell you a few examples of the sound a compress

	/// @file
	/// 文字列をトリムするサンプル。

	/**
	* 文字列をトリムする。
	* @param pchBuffer トリム後文字列を格納するバッファ
	* @param uiBufferSize トリム後文字列バッファのサイズ
	* @param pchSource トリム元の文字列
	* @param pchTrimChars トリム対象文字集合 (for example " \t\n\v\f\r")
	* @return 成功なら1、失敗なら0を返す。

	/* PCSX2 - PS2 Emulator for PCs
	* Copyright (C) 2002-2014 PCSX2 Dev Team
	*
	* PCSX2 is free software: you can redistribute it and/or modify it under the terms
	* of the GNU Lesser General Public License as published by the Free Software Found-
	* ation, either version 3 of the License, or (at your option) any later version.
	*
	* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
	* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
	* PURPOSE. See the GNU General Public License for more details.

	#pragma once

	#include "fff.h"

	#include <stdarg.h>

	//#ifdef FFF_GENERATE_FAKE_DEFINES
	//#define FFF_EXTERN extern __declspec(dllexport)
	//#else
	//#define FFF_EXTERN extern __declspec(dllimport)

	Call EntryPoint

	Sub EntryPoint()
	On Error Resume Next
	Call Main
	If Err <> 0 Then
	WScript.Echo Err.Source & ": " & Err.Description & " (Error " & Err.Number & ")"
	WScript.Quit(1)
	End If
	End Sub