7. An apparatus for teaching prosodic features of speech comprising: a sensor having a signal output; a prosodic variable extractor having a signal output connected to an output of the sensor and having an output signal representing a prosodic feature of said sensor signal output; a segment storage and replay device, connected to an output of the extractor; 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 segment storage and replay device.
7. An apparatus for teaching prosodic features of speech comprising: a sensor having a signal output; a prosodic variable extractor having a signal output connected to an output of the sensor and having an output signal representing a prosodic feature of said sensor signal output; a segment storage and replay device, connected to an output of the extractor; 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 segment storage and replay device. 13. An apparatus for teaching prosodic features of speech according to claim 7, wherein said signal generator is an acoustic waveform filter.