Text-to-Speech (TTS)

Text to speech (TTS) is form of speech synthesis. It is a system that converts text into spoken voice output. TTS firstsystems realwere useinitially wasused in reading systems for the blind, in which the system reads some text from a book andby convertconverting it into speech. TTS applications include voice-enabled e-mail and spoken prompts in voice response systems. TTS is often used with voice recognition programs.

TTS system is built by creating a database of recorded voices (speaking whole sentences to syllables). The recordings are stored, sorted, labeled and segmented by phones, syllables, morphemes, words, phrases, and sentences. It will reproduce words from a text by carrying out a sophisticated linguistic analysis, and natural language processing to understand the structure of the sentences and to determine the context of the word for pronunciation. And afterAfter the natural language processing, the system will search and choosematch the text to the database of speech units to produce speech fitted to the text input.