Matt defines the five most common types of equalizers, or EQ, within the digital plugin usually called a parametric EQ. These are the low pass, high pass, high shelf, low shelf, and peak/dip filters. Each of these has different parameters and can be used to form a different shape in the EQ curve. Equalization can be used to cut out unwanted sounds, boost desired sounds, or help "carve" out space for elements in a mix.
- [Voiceover] Equalization, or EQ for short,…alters the relative amplitude of different frequency ranges.…Here, we'll make use of a parametric equalizer…which gives us a lot of control over the sound…with several different EQ tools,…including high pass and low pass filters,…high shelves and low shelves,…and peak notch filters.…Digital parametric EQs are great…because they visually show…how the amplitude of certain frequencies…are being adjusted within a sound.…
When it's flat across the zero decibel mark,…it means all frequencies pass through…at their original volume.…Wherever the curve goes up or down from zero,…it means partials in the sound at those frequencies…are turned up or down that much in amplitude.…Most of the tools in the EQ toolbox…create specific shapes in the curve.…Let's look at the most common ones.…First, we have the low pass and high pass filters.…The low pass let's low frequencies pass through…and progressively cuts the highs,…which is useful to deliberately muffle sounds…or remove very high frequency noise.…
The course starts with explanations of what sound really is and how we hear it, including discussions on frequency, amplitude, phase, and psychoacoustics. Matt explores analog audio signal path, explaining connections, gain staging, and metering. Next, he brings the audio signal into the digital domain, discussing analog to digital conversion, digital gain staging, file formats and compression, and dither.
Then the course digs into digital audio workstations (DAWs), explaining the concepts and misconceptions involved in digital recording systems. Matt describes how memory, CPU speed, and storage affect your DAW's performance, as well as how to manage computer resources and understand the plethora of file formats associated with digital recording. He follows with an overview of MIDI: how to generate, store, process, and communicate MIDI data. He wraps up with the audio processors that are often used for mixing in a DAW—including EQ, compressors, reverb, delay, and many others.
- What is sound?
- The three domains of sound: acoustic, analog, and digital
- The analog vs. digital signal paths
- Converting analog audio to digital
- Digital formats and data compression
- Understanding the five types of DAWs
- Recording performances with MIDI
- Mixing and processing audio with EQ, compression, and other effects
Skill Level Beginner
Music Production Secrets: Larry Crane on Recordingwith Larry Crane2h 21m Intermediate
Drum Setup and Mic'ing in the Studiowith Ryan Hewitt1h 14m Appropriate for all
1. Concepts of Sound
2. The Signal Path: Acoustic and Analog
3. The Signal Path: Digital
4. Digital Audio Workstations
6. Mixing and Processing Audio
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