By Jack Hollingum, Graham Cassford
Speech know-how - using speech as a way of sending info to, and receiving info from desktops has been in use as a examine instrument for a few years. only in the near past has it started to maneuver out of the laboratory and into commercially invaluable functions, first with compressed and synthesised spoken messages, then with desktop attractiveness of spoken messages, and at the present time with varied purposes related to either acceptance and replica of human speech. we've got written this ebook simply because we think the know-how has now complex to the purpose the place many extra purposes of voice attractiveness and reaction are either possible and economically beautiful. desktops which may comprehend daily speech are nonetheless prospect, yet supplied the restrictions of cutting-edge apparatus are in actual fact understood there's a lot that may be completed with it. Our objective is to teach, in non-technical language, what's now attainable with assistance from speech expertise. The textual content contains many examples of present purposes in undefined, trade and different fields, and we've chosen 5 present business functions combining speech acceptance and reaction for extra exact recognition. commercial situations were selected either simply because we see as an enormous progress region for speech functions within the following couple of years, and since it offers a number of the maximum problems in speech popularity - if you happen to could make it paintings in undefined, you then could make it paintings nearly anywhere.
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Additional resources for Speech Technology at Work
All of these services are paid for simply by the line charge, but an additional subscription service is available which allows the caller to store a portfolio of 20 shares in the Cityline computer: on entering a personal number the system will speak the current prices of all the shares in the portfolio. As part of the same service, the caller cart also request the current value of the total portfolio. Behind this complex facility is a bank of Marconi Keycall voice response computers networked together and to the Stock Exchange database computers, with two leased lines to the International Stock Exchange SEAQ computer, which provides real-time price information on all UK alpha, beta and gamma equities and major international equities.
Universities have set up voice messaging and voice mail services. They have set up telephone information services using systems such as DE Ctalk, including facilities giving up to date information on courses and available vacancies. They have even gone farther and provided facilities for students to register on-line using the DTMF keypad. The keypad (alternatively speaker-independent recognition could be used) provides the means for selecting what is needed from a large volume of course information, by asking the caller to press different keys to get information on different subjects.
THE SCOPE FOR SPEECH TECHNOLOGY 39 Fig. 1. Voice database enquiry systems allow access to a database with no more equipment than a telephone There are many ways in which voice messaging can be used. For example, the caller can be given a message offering the choice of leaving a mailbox message or of speaking to the person being called. There can also be a facility for speaking to the operator. The system is not confined to receiving incoming telephone calls. The facility for recording messages simultaneously in any number of mailboxes can be used to run a company voice-based bulletin board.
Speech Technology at Work by Jack Hollingum, Graham Cassford