Products for training and developing the use of voice and speech, particularly in relation. to the production and awareness of sounds. Included are, e.g. assistive products for training spoken language, S-, F- and Sch-indicators, acoustic spectral analysers.
Assistive products for mother tongue training, see 05 18 03 (Eastin).
Assistive products for foreign language training, see 05 18 06 (Eastin).