Speech Recognition Essay - 2594 Words

Speech Recognition Nowadays, computer systems play a major role in our lives. They are used everywhere beginning with homes, offices, restaurants, gas stations, and so on. Nonetheless, for some, computers still represent the machine they will never know how to use. Communicating with a computer is done using a keyboard or a mouse, devices many people are not comfortable using. Speech recognition solves this problem and destroys the boundaries between humans and computers. Using a computer will be as easy as talking with your friend. Unfortunately, scientists have discovered that implementing a perfect speech recognition system is no easy task. This report will present the principles and the major approaches to speech†¦show more content†¦Increasing the number of words isn’t enough because the speech recognition system is unable to differentiate words like ‘to’ and ‘two’ or ‘right’ and ‘write’ (6 ,p.98). Use of Grammar Using grammar, differentiating words like ‘to’ and ‘two’ or ‘right’ and ‘write’ is possible. Grammar is also used to speed up a speech recognition system by narrowing the range of the search (6,p.98). Grammar also increases the performance of a speech recognition system by eliminating inappropriate word sequencing. However, grammar doesn’t allow random dictation which is a problem for some applications (6, p.98). Continuous vs. Discrete Speech When speaking to each other, we don’t pause between words. In other words, we use continuous speech. However, for speech recognition systems, there is difficulty in dealing with continuous speech (6, p.98). The easy way out will be using discrete speech where we pause between words (6, p.100). With discrete speech input, the silent gap between words is used to determine the boundary of the word, whereas in continuous speech, the speech recognition system must separate words using an algorithm which is not a hundred per cent accurate. Still, for a small vocabulary and using grammar, continuous speech recognition systems are available. They are reliable and do not require great computational power (6, p.100). However, forShow MoreRelatedPersuasive Speech : Automatic Speech Recognition1610 Words   |  7 PagesAutomatic speech recognition is a tool that allows computers to translate spoken language into written text. This technology can assi st users in interpreting and using audio information for applications such as transcribing interviews, human-computer interactions, and many more. Speech recognition is an application the Ministry of Justice has expressed great interest in. 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