amplitude modulation

Tremolo is a type of low-frequency amplitude modulation .

a rapid alternation of two notes

A tremolo is a rapid alternation of two notes.

modulation of volume

For the record, ‘tremolo’ is modulation of volume whereas ‘vibrato’ is modulation of pitch.

a rapid fluctuation of the volume of a note

In standard usage, tremolo is a rapid fluctuation of the volume of a note, while vibrato is a fluctuation in pitch.

a trembling effect

Tremolo In music, tremolo (), or tremolando (), is a trembling effect.

In standard usage

in standard usage, tremolo is a rapid fluctuation of the volume of a note, while vibrato is a fluctuation in pitch.

one of the earliest guitar effects

Tremolo is one of the earliest guitar effects and was commonly found built into many ’60s tube amps, such as Fender’s Vibrolux and the Vox AC30 – and now the Vox AC30 appears in a huge variety of stompbox guises, which is why we have such rich pickings for our best tremolo pedals guide.

the rapid reiteration of a string

Tremolo is the rapid reiteration of a string: plucking of the same string, although not necessarily on the same note many times, quickly and next to each other (although usually separated by a melody in the thumb).

an amplitude modulation effect that was initially implemented on many guitar amps and still is to this day

Tremolo is an amplitude modulation effect that was initially implemented on many guitar amps and still is to this day.

a device that creates a vibrato effect by mechanically shaking the wind source or by some other means

Tremolo is a device that creates a vibrato effect by mechanically shaking the wind source or by some other means, and so some other means changes the normal flat sound to a warbly one, which I am sure you are familiar with.

very rapid repetition

Tremolo is the very rapid repetition (typically of a single note, but occasionally of multiple notes), usually played at the tip of the bow.

a speaker set behind a rotating foam wheel

The tremolo is a speaker set behind a rotating foam wheel with a large slot cut out to make the sound wobble in that particular way that pipe organs do.

a guitar bridge with moving mechanics

My Definition: the tremolo is a guitar bridge with moving mechanics that allows the player to change the tension of all strings against spring(s) prior to detune them to flat or sharp momentarily.

a very quick repeat of a note or notes which produces a quivering or wavering sound effect

A tremolo is a very quick repeat of a note or notes which produces a quivering or wavering sound effect.

the effect that changes the volume of the sound as different speeds and intensities

Tremolo is the effect that changes the volume of the sound as different speeds and intensities.

that truly sets our instrument apart from the rest

Tremolo is a technique that truly sets our instrument apart from the rest...

musical term

Tremolo is the musical term and usually a string orchestra executing a tremolo phrase comes to mind - or again the term is used on guitar amplifiers where rhythmically the volume is pulsed up and down.

an aggressive response

The tremolo is an aggressive response given when disturbed by a boater or predator.

an aggressive call that sounds like laughter

The tremolo is an aggressive call that sounds like laughter.

a gently changing volume effect, the speed and depth of which may be set

Tremolo is a gently changing volume effect, the speed and depth of which may be set.