1. An apparatus for teaching prosodic features of speech comprising: a sensor having a signal output; a prosodic variable extractor having a signal input connected to an output of the sensor and having an output signal representing a prosodic feature of said sensor signal output; a signal generator combining said signal representing a prosodic feature with a signal without articulatory features to generate an output with attenuated or no articulatory features; and an audio transducer, connected to an output of the signal generator.