MDSA02H3 Study Guide - Final Guide: Buster Keaton, Technological Determinism, Potemkin Stairs
Document Summary
Supreme court overturned marconi"s wireless patent and named tesla as the inventor of radio. Credit for first voice broadcast belongs to canadian engineer, reginald fessenden. Broadcasting the transmission of radio waves to a broad public audience. Narrowcasting person to person communication (e. g. telegraph & telephone) Radio act of 1927: licenses did not own their channels, but only licensed them as long as they operated to serve the public interest, convenience or necessity . Transistors small electrical devices that made radio portable. Fm radio invented by edwin armstrong: had more clarity than am because less static, thus became ideal for music. Rotation playing the top songs many times during the day. Format radio under this system, management controlled programming each hour, and not dj"s: top 40 format was born. Drive time today: 6-9am & 4-7pm. Podcasting refers to the practice of making audio files available on the internet so listeners can download them onto their mp3 players.
