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Voice Of America Persian News Network
Voice of America Persian News Network (VOA-PNN) is a governmental international broadcaster of the United States of America in Persian language. Its headquarters are in Washington D.C. It started to broadcast its programs on 18 October 1994 with a one-hour television program Television, sometimes shortened to TV, is a telecommunication medium for transmitting moving images and sound. The term can refer to a television set, or the medium of television transmission. Television is a mass medium for advertising, e .... Its radio programs started on 22 November 1979 with 30 minutes broadcasting per day. Managers The first manager of the VOA-PNN was Ahmadreza Baharloo. Later managers were Kambiz Mohammadi, Shila Ganji, Behrouz Abbassi, Behrouz Souresrafil, James Glassman, Hida Fouladvand and Ramin Asgard. The current manager of the VOA-PNN is Setareh Derakhshesh. Programs As of July 2007, VOA-PNN broadcast 1 hour of radio programming a day, 7 hours a day of original prog ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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The human voice consists of sound made by a human being using the vocal tract, including talking, singing, laughing, crying, screaming, shouting, humming or yelling. The human voice frequency is specifically a part of human sound production in which the vocal folds (vocal cords) are the primary sound source. (Other sound production mechanisms produced from the same general area of the body involve the production of unvoiced consonants, clicks, whistling and whispering.) Generally speaking, the mechanism for generating the human voice can be subdivided into three parts; the lungs, the vocal folds within the larynx (voice box), and the articulators. The lungs, the "pump" must produce adequate airflow and air pressure to vibrate vocal folds. The vocal folds (vocal cords) then vibrate to use airflow from the lungs to create audible pulses that form the laryngeal sound source. The muscles of the larynx adjust the length and tension of the vocal folds to 'fine-tune' pitch and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
