Reverb History & Development Flashcards
Natural reverb
The natural acoustic of a space
Captured during the process of recording
Room, hall, cathedral etc.
Use of ambient mic to capture
Sound characteristics of natural reverb
Feels ‘bigger’ and more open, with a more realistic sense of distance between you and the sound
Often adds a warmth to the sound (High frequencies decays faster more quickly than the lower ones), gives our a more smoother and less harsh quality
Smooth decay, gradual fade away
Chamber reverb (1930s)
An artificial acoustic room
Normally a very reflective room
Sound is played in through a speaker and re-captured with a pair of mics
Creates a natural sounding reverb
Sound characteristics of chamber reverb
Warm and full
Smooth decay
Well-rounded frequency response
Chamber reverb’s advantage over natural reverb
More consistency and control as chamber reverb is specifically designed for acoustic reflections
Can be tailored by adjusting the placement of microphones and speakers within the chamber, control over the reverb’s depth, length, and tonal quality
Spring reverb (1950s)
Created by the vibrations of springs
Audio signal is converted via a transducer into physical movement
The springs vibrate back and forth
Another transducer converts back to audio signal
Sound characteristics of a spring reverb
Metallic and ‘twangy’ due to the vibrations travelling through metal springs
Short, bouncy decay for a more compact and rhythmic quality
Plate reverb (1960s)
Created by the vibrations of a metal plate under tension
Audio signal is converted via a transducer into physical movement
The signal travels across the plate
Transducers pick up all sounds from all directions and convert vibrations back to audio signal
Sound characteristics of plate reverb
‘Washy’ sound
Smooth and dense reverb tail with long decay time
Bright tone especially in the high frequencies
Digital reverb (1980s)
Created by layering multiple delayed signals
Delayed signals were increasingly dense and progressively quieter to emulate reverb
Sound characteristics of digital reverb
Clear echoes with degradation or distortion
Consistent repeats without losing its clarity
Convolution reverb
Mathematically applied process
A sample of an ‘ambience’ is taken with a balloon pop etc.
This is then applied to an audio signal
The audio then sounds like it has used the real thing, it’s reverb sampling
Incredibly processor heavy, a benchmark test for computers
Gated reverb
A reverb has a gate applied to the decay of the sound
Stops the reverb from lasting a long time
Allows a large or wet reverb to be applied without cluttering the mix
Sound characteristics of gated reverb
A cut-off to the reverb tail, creating a sharp, clean sound that contrasts with the typical smooth decay of traditional reverb
Short decay time with a punchy quality
Reverse reverb
A sound where the reverb is played backwards
This can either appear before the audio or after it
The reverb itself is sampled and then played in reverse