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Speech is the subject of study for linguistics, cognitive science, communication studies, psychology, computer science, speech pathology, otolaryngology, and acoustics. Speech compares with written language, [1] which may differ in its vocabulary, syntax, and phonetics from the spoken language, a situation called diglossia.
His first public speech was in the court proceeding he brought against his three guardians. [28] After that, Demosthenes continued to practice public speaking. He is known for sticking pebbles into his mouth to improve his pronunciation, talking while running so that he would not lose his breath, and practicing speaking in front of a mirror to ...
Expository writing is a type of writing where the purpose is to explain or inform the audience about a topic. [13] It is considered one of the four most common rhetorical modes. [14] The purpose of expository writing is to explain and analyze information by presenting an idea, relevant evidence, and appropriate discussion.
Elocution is the study of formal speaking in pronunciation, grammar, style, and tone as well as the idea and practice of effective speech and its forms. It stems from the idea that while communication is symbolic, sounds are final and compelling. [1] [2]
Modern general-purpose speech recognition systems are based on hidden Markov models. These are statistical models that output a sequence of symbols or quantities. HMMs are used in speech recognition because a speech signal can be viewed as a piecewise stationary signal or a short-time stationary signal.
An interaction with a tightly focused topic or purpose is also generally not considered a conversation. [3] Summarizing these properties, one authority writes that "Conversation is the kind of speech that happens informally, symmetrically, and for the purposes of establishing and maintaining social ties." [4]
Lectures are used to convey critical information, history, background, theories, and equations. A politician's speech, a minister's sermon, or even a business person's sales presentation may be similar in form to a lecture. Usually the lecturer will stand at the front of the room and recite information relevant to the lecture's content.
Within the fields of linguistics, the current consensus is that speech is an innate human capability, and written language is a cultural invention. [4] However, some linguists, such as those of the Prague school , argue that written and spoken language possess distinct qualities which would argue against written language being dependent on ...