Putolan 230-330 Broadcast Communication.pptx

Broadcast Communication

Introduction to Broadcasting  Broadcast communication is a track within mass communication that pertains to video and audio content for use on a variety of platforms. Ex: news, music programs, talk shows, movies and advertisements.  Excellent speaking and writing skills, as well as familiarity with the working of media organizations, are must to compete for those highly coveted jobs.

“BROADCAST” Distribution of audio and/or video signals which transmit programs to an audience.

Types of communication One Static

Types of Communication Two Static

Broadcasting System Institutional Public Address Low-Powered (‘Narrowcasting”) National radio & TV Satellite Radio & TV Internet Channels

• Institutional Public Address Transmit nonverbal messages and music within a school or a hospital.

• Low-Powered (“Narrowcasting”) Transmit signal to a small area like community radio stations.

• National radio & TV Has nationwide coverage using transmitter towers, satellite systems, and cable distribution.

• Satellite Radio & TV Wider areas such as entire continents.

• Internet Channels (Live Streaming) Distribute text or streamed music worldwide. Various audio-video streaming host sites: stickam.com, ustream.tv, justintv, etc.

• Internet Channels (Podcasting) Programs on-demand. It is hosted by several podcasting sites such as podomatic.com, soundcloud.com, etc. Podcast players can be embedded in blogs and websites and can be linked in social networks.

Broadcast Frequencies FREQ. BAND

FREQ. RANGE

APPLICATION

Long Wave Am

148.5khz-283.5khz (LF)

International Service

Medium Wave Am

530khz-1710khz (MF)

Commercial Service

Short Wave Band

3Mhz-30Mhz (HF)

Commercial Service

TV Band I (Ch.2-6)

54Mhz-88Mhz (VHF)

Commercial Service

FM Band II

88Mhz-108Mhz (VHF)

Commercial Service

TV Band III (Ch. 7-13)

174Mhz-216Mhz (VHF)

Commercial Service

TV Bands IV & V (Ch.

470Mhz-806Mhz (UHF)

Commercial Service

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Thank you and God Bless!