Audio history by ali and brandon

By alileal

  • marconi

    Intalian inventor that sent and recieved the first radio wave.He sold this to the marines. Nobody is 100% sure if he actually did, because if you said you did it they prettyy much just believed you back then.

  • audion tube

    audion tube
    Created by Lee De Forest. This tube is a vaccum tube that amplified signals.

  • Radio Stations

    Radio Stations
    8XK----->KDKA. Still broadcast in PA. Frank Conrad.

  • Uncle Charlie

    Uncle Charlie is a term, for having your own radio station.

  • FRC

    The FRC was established because too many people wanted radio stations and the FRC made people have to have a license to transmit radio.

  • golden era

    golden era
    Midldle of great depression. Needed money. Family medium. Auperman was really popular

  • Radios Demise

    Radio stopped being popular when the T.V. came out. in 1930.

  • radios progression

    radios progression
    edwin armstrong invented AM radio. Talk on AM. Music on FM