Effects Overview
Effects process a sound after it's been created, changing its character in ways that range from subtle polish to complete transformation. If synthesis is cooking the dish, effects are the seasoning, plating, and presentation. A raw sound becomes a finished product through the effects you apply to it.
Time-Based Effects
These effects create copies of the sound and delay them, adding a sense of space and depth.
Reverb
Simulates the sound bouncing off walls in a physical space. A small room reverb makes something sound intimate; a large hall reverb makes it sound epic. Without any reverb, sounds feel dry and disconnected. Too much reverb washes everything into a blurry fog.
Small, tight, natural. Good for drums and vocals.
Large, open, grand. Good for strings and pads.
Bright, smooth, metallic. Classic on vocals and snare.
Bouncy, vintage. Classic guitar amp reverb sound.
Delay
Creates distinct echoes of the sound. Unlike reverb (hundreds of tiny reflections), delay produces clear, audible repeats. Can be timed to the tempo of the track so echoes fall on beat.
Each repeat is quieter than the last. The delay time sets the gap between repeats.
Modulation Effects
These effects create slightly altered copies of the sound and blend them with the original, creating movement and width.
Chorus
Makes one instrument sound like several playing together by creating slightly detuned and delayed copies. Adds width and richness. Classic on guitar, synth pads, and vocals. Makes things sound bigger and shinier.
Phaser
Creates a sweeping, jet-like sound by splitting the signal and shifting the phase of selected frequencies. Produces distinctive "whoosh" effects. Common on rhythm guitar, synths, and in psychedelic music.
Flanger
Similar to chorus but with a shorter delay time and feedback, creating a more metallic, jet-engine sweep. More dramatic than chorus. Used for special moments rather than constant application.
Dynamics Effects
These control the volume range of a sound - how loud the loud parts are and how quiet the quiet parts are.
Compressor
Reduces the gap between the loudest and quietest parts. Makes everything more even and consistent. Essential on vocals, drums, and bass. Lets you make things louder overall without the peaks clipping. The most important mixing tool after EQ.
Limiter
An extreme compressor that sets an absolute maximum volume. Nothing gets louder than the limit. Used on the master channel to prevent clipping and maximise overall loudness.
Gate
Silences audio that falls below a set volume. Lets the loud parts through and cuts the quiet parts. Used to remove background noise, tighten drum recordings, and create rhythmic chopping effects.
Distortion & Saturation
These effects add harmonics by pushing the signal beyond its clean limit. The spectrum ranges from subtle warmth to aggressive destruction.
Saturation
Gentle, warm harmonic addition. Mimics the sound of analogue equipment being pushed. Adds presence and warmth without obvious distortion. Basically "nice" distortion.
Overdrive
Medium distortion. Audible crunch and grit. Classic on guitar, also used on bass and synths for added edge. Responds to playing dynamics.
Distortion
Heavy harmonic addition. Transforms the original tone significantly. Rock and metal guitar territory, but also used in electronic music for aggressive basses and leads.
Bitcrusher
Digital distortion that reduces audio quality intentionally. Creates lo-fi, retro, glitchy textures. Common in lo-fi hip-hop and experimental electronic music.
EQ (Equaliser)
Technically a filter, but deserves its own mention. An EQ lets you boost or cut specific frequency ranges. It's the most fundamental mixing tool - used on virtually every track to shape tone, remove problem frequencies, and help instruments sit together clearly.
Production Tip
The order you chain effects matters. A general rule: corrective effects first (EQ, compression), then creative effects (distortion, modulation), then spatial effects (delay, reverb) last. Putting reverb before distortion sounds very different from distortion before reverb - neither is wrong, but they're intentional choices.
Try it
Tap the same chord through a few common effects. The notes stay the same - only the processing changes.
Same chord, different processing after the synth.
Key takeaway
Effects transform sounds after creation. Time-based effects (reverb, delay) add space, modulation effects (chorus, flanger) add movement, dynamics (compression) control volume, and distortion adds harmonics and edge.
Next up: MIDI and DAW Concepts - understanding the technology that ties everything together.
Hear effects in context
Starts generates arrangements you can export and process with your favourite effects.