Equalizer
From TANGOWIKI-TITAF
Equalizer
An equalizer (EQ) is a tool used to adjust the balance of frequency components in an audio signal. It allows you to boost or cut specific frequency ranges to shape the tonal character of a sound.
Purpose
EQ is used to:
- Enhance or reduce specific elements (e.g., more bass, less hiss)
- Correct imbalances in recordings
- Make instruments sit better in a mix
- Emphasize clarity, warmth, or presence
Types of EQ
- Graphic EQ
- Offers fixed bands with sliders. Each band corresponds to a frequency range.
- Parametric EQ
- Allows flexible control over frequency, gain, and Q (bandwidth). Used for surgical adjustments.
- Shelving EQ
- Boosts or cuts all frequencies above (high shelf) or below (low shelf) a certain point.
- High-pass / Low-pass filters
- Remove frequencies above or below a set cutoff, often used to eliminate rumble or hiss.
Frequency Ranges (Typical Uses)
- **20–60 Hz** – Sub-bass (feel, not hear)
- **60–250 Hz** – Bass (power, warmth)
- **250–2k Hz** – Mids (body, presence)
- **2k–6k Hz** – Upper mids (clarity, definition)
- **6k–20k Hz** – Treble (air, brightness)
Practical Applications
- Removing unwanted room noise
- Making vocals more intelligible
- Cleaning up muddiness in a mix
- Emphasizing sparkle or punch