Broadcasting in America: A Survey of Electronic MediaHoughton Mifflin, 1987 - 604 páginas |
Dentro del libro
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Página 131
... sound , too , has an oscillating motion and can be depicted as traveling in a wavelike manner . Sound therefore serves as a means of illustrating the characteristics of waves in an understandable way , because we can perceive sounds ...
... sound , too , has an oscillating motion and can be depicted as traveling in a wavelike manner . Sound therefore serves as a means of illustrating the characteristics of waves in an understandable way , because we can perceive sounds ...
Página 133
... sound frequencies . Acoustic Environments Sound waves , once launched into a given environment , be- gin to attenuate , gradually losing their energy as they travel . Draperies , human bodies , and other soft , irregularly shaped ...
... sound frequencies . Acoustic Environments Sound waves , once launched into a given environment , be- gin to attenuate , gradually losing their energy as they travel . Draperies , human bodies , and other soft , irregularly shaped ...
Página 134
... sound you hear immediately becomes brighter . You begin hearing the shorter - wave ( that is , higher - pitched ) sounds that were un- able to get around corners as readily as the longer - wave sounds . 5.3 Radio Waves Like sound waves ...
... sound you hear immediately becomes brighter . You begin hearing the shorter - wave ( that is , higher - pitched ) sounds that were un- able to get around corners as readily as the longer - wave sounds . 5.3 Radio Waves Like sound waves ...
Términos y frases comunes
A. C. Nielsen advertising affiliates agencies Amendment American antenna appeal applications Arbitron AT&T audience began broad broadcast and cable broadcast stations cable networks cable systems cable television carrier wave channels cial commercial commission communications act Congress cost court coverage decision effect electronic media entertainment example Exhibit fairness doctrine FCC's federal film formats frequency grams groups households impact industry issues license limited LPTV major Mass Media ment million Nielsen noncommercial operation ownership pay cable percent political prime-time produced programs public broadcasting radio and television radio stations ratings receivers recording regulation relay renewal reports role rules sample satellite schedule shows signals sion SMATV Source spectrum standards subscribers syndicated tele Telecommunications telephone teletext television networks television stations tion tional TVRO viewers waves wireless