How does a music sampler work?
Usually a sampler is controlled by an attached music keyboard or other external MIDI controller or source. Each note-message received by the sampler accesses a particular sample. Often multiple samples are arranged across the keyboard, each assigned to a note or group of notes.
What is a sampler machine?
A sampler is an electronic device that records, alters, and plays back digital audio. It employs digital samples of real instruments, snippets of songs, or sound effects to create music — hence its name.