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aftertouch

aftertouch

8.2
A keyboard feature that changes the sound when you press a key harder after playing it
  • noun
  • /ˈæftərˌtʌʃ/
  • Specialized
: aftertouch
  • Aftertouch can therefore be used to change many aspects of a sound, including the volume level, the filter cutoff, or the degree of modulation (often used to control vibrato).
  • aftertouch or pressure

Examples

  • The keyboard's aftertouch feature lets you modify the sound's volume by applying additional pressure.

  • Many synthesizers' aftertouch functionality enhances musical expressiveness during performances.

  • There are two types of aftertouch: channel pressure and key pressure.

    Academic text (1994)
  • Aftertouch effects are reserved for the serious synthesist.

    Academic text (1994)
  • Other capabilities available with some electronic instruments include aftertouch or pressure sensing.

    Academic text (1994)
  • "Performance information (velocity, aftertouch, pitch bend, and control change) will also be sent from the keyboard to the sound module.

    Academic text (1994)
  • Aftertouch (also called pressure sensitivity or second touch) is a measurement of the pressure exerted on the key after it is depressed.

    Academic text (1994)
  • With aftertouch, musicians can control sound effects through pressure applied after pressing a key.

Surface Forms

aftertouch singular
aftertouches plural

Morphology

aftertouch = touch (semi-transparent) = after + touch

Formed from 'after' + 'touch' which is structurally clear, but the specific technical meaning as a keyboard/electronic control is specialized and may not be obvious to general learners. [Postprocessing: moved 'after' from base_words to prefix]

Etymology

The word aftertouch comes from the simple parts after ('later') and touch ('press' or 'feel'), and it means the pressure you put on a key after you press it. That's why aftertouch on a keyboard lets a player change the sound, like adding vibrato or volume, by pressing harder while holding a note.