A slicer is an

effects unit An effects unit or effects pedal is an electronic device that alters the sound of a musical instrument or other audio source through audio signal processing. Common effects include distortion/overdrive, often used with electric guitar in el ...

which is similar to a

tremolo In music, ''tremolo'' (), or ''tremolando'' (), is a trembling effect. There are two types of tremolo. The first is a rapid reiteration: * Of a single Musical note, note, particularly used on String instrument#Bowing, bowed string instrument ...

vibrato Vibrato (Italian language, Italian, from past participle of "wikt:vibrare, vibrare", to vibrate) is a musical effect consisting of a regular, pulsating change of pitch (music), pitch. It is used to add expression to vocal and instrumental music. ...

, phaser, or autopan. It combines a

modulation In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the ''carrier signal'', with a separate signal called the ''modulation signal'' that typically contains informatio ...

sequence with a

noise gate A noise gate or gate is an electronic device or software that is used to control the volume of an audio signal. Comparable to a compressor, which attenuates signals ''above'' a threshold, such as loud attacks from the start of musical notes, no ...

envelope filter Auto-wah (also known as a "Q-wah", "T-wah", "envelope following filter", "envelope follower" or "envelope filter") is a type of wah-wah effects pedal typically used with electric guitar, bass guitar, clavinet, and electric piano etc. The disti ...

to create a percussive and rhythmic effect like a helicopter, with rapid cutting out and coming in—on and off. Most have variable speeds and depths, creating different sounds. It may be implemented through an

or a

VST VST may refer to: * Vancouver School of Theology, a theological graduate school in British Columbia, Canada * VST, Stockholm Västerås Airport in Sweden (IATA airport code) * Vehicle safety technology * Virtual Studio Technology, Steinberg's stand ...

. The Boss SL-20 is an example of a slicer effect in a guitar pedal.

References

Electronic musical instruments Audio effects Effects units Audio engineering Sound recording {{musical-instrument-stub