A real time visual display which enables a speaker to compare values of parameters in his own speech with measured values of acoustic information in the listener's environment. The speaker is thus able to use the display as feedback to adjust and modulate his own speech patterns to increase the listener's understanding. In a preferred embodiment of the invention, the visual display is presented to the speaker via a special set of eyeglasses.
means for monitoring values of listener sound parameters at a listener's location and for
transmitting said values to a speaker's location;
means for monitoring values of speech sounds at a speaker's location; and
display means which provide the speaker with a real time visual representation which compares the values of the monitored listener sound parameter values with the monitored speech sound values.
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