13: Teistmoodi IT

 The essence of technology has always been to simplify the life of an ordinary person. This is especially noticeable now, in the age of information technology. But I would like to talk about a technology that allows a person with disabilities to use most of gadgets almost as effectively as an ordinary person.

Speech recognition technology

Speech recognition technology is a blessing for people who do not have the ability to work normally with a computer / phone / TV, etc. Special software is used to convert received voice commands into text or specific actions. For this reason, no keyboard / mouse / touch screen needed, which allows people with physical disabilities to work with electronics.

This technology is complex, because it requires the so-called "units of the phonetic alphabet". For each sound, a complex statistical model is initially built that describes the pronunciation of this sound in speech. The more phonetic units, the more accurate the system can be. Further, a language model enters the process. With the help of the language model, system determines the likely order of words. If it necessary, system also restores unrecognized words by meaning based on the context and available statistics. For a long time, the main "enemy" of such a system were side noises. But thanks to machine learning, systems nowadays are noise-resistant, so everyone can use speech recognition technology outdoors.


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