Speech synthesis is the process of generating spoken language by machine on the basis of written input. It is the artificial production of human speech. Speech synthesizer can be implemented in software and hardware products to make speech synthesis successful. A text-to-speech ( TTS ) system converts normal text into speech. A synthesizer can incorporate a model of of the vocal track and human voice characteristics to create a completely "synthetic" voice output.
Improvements to procurement have been attempted for decades, usually by using information technologies. The real opportunity for improvement lies in the use of e-procurement, the electronic acquisition of goods and services for organisations. The general e-procurement process (with the exception of tendering) is shown in figure 2.8 . One effective solution to the procurement problem in large organisations is to aggregate the catalogues of all approved suppliers, combining them into a single internal electronic catalogue. Prices can be negotiated in advance or determined by a tendering, so that the buyers do not have to negotiate each time they place an order. By aggregating the suppliers' catalogues on the buyer's server, it is also easier to centralise and control all procurement. Such an aggregation of catalogues is called an internal procurement marketplace . Benefits of Internal Marketplaces 1) Corporate buyers can use search engines to look through internal aggre...

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