Patent ID: 6073103
Filing Date: 2000-06-06
Classification: G10L

Abstract:
An accessory for a sound recording and playback system comprising:a visible display;speech recording means coupled to said system for sequentially recording spoken messages to be audibly reproduced by said system, each recording produced by said recording means having a discrete starting point:means interfacing between said system, said recording means, and said display for generating a chart of playback time on said display, said chart indicating time elapsed relative to said starting point during audible reproduction of a recording stored by said recording means;speaker-independent speech recognition means coupled to said system for detecting occurrences of predetermined audible expressions during audible reproduction of a recording stored by said recording means; said predetermined expressions constituting components of a limited vocabulary of N different expressions; where N is a number greater than 2 but substantially less than the number of different expressions recordable by said recording means; andmeans interfacing between said speech recognition means and said display for superimposing symbols on said time chart, said symbols representing respective said predetermined expressions detected by said speech recognition means and indicating times of occurrences of respective said expressions by their positions on said chart relative to an indication of the said starting point of a respective recording.