The invention relates to a device for voicing phonemes, comprising: a keyboard, which keyboard comprises at least one support structure and a plurality of keys connected to the support structure, wherein each key of at least a number of keys is designated with at least one linguistic symbol, an electronic processing unit connected to the keyboard for recording keystrokes, and sound-producing means connected electronically to the processing unit. The invention also relates to a keyboard for use in such a device. The invention further relates to a method for voicing phonemes by means of such a device.