Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

The Persistence and Evolution of Radio: A Historical Overview, Study notes of Mass Communication

The significance of radio as a mass communication medium, despite the emergence of newer technologies. It discusses the unique features of radio, its place in the electromagnetic spectrum, the development of am and fm, the role of the 'american system' in shaping radio, federal regulation, and radio's impact on history. It also touches upon the evolution of radio from a program to a format medium, chain ownership, satellite radio, hd radio, and public radio in the us.

Typology: Study notes

2009/2010

Uploaded on 03/17/2010

tries
tries 🇺🇸

5

(1)

7 documents

1 / 6

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
MSCM 150
Tuesday March 9
Vivian 8 - Radio
and the Origins of Broadcasting
1Tuesday, March 9, 2010
With the emergence of broadcast, cable, satellite
television and online media, radio is sometimes
considered a historic or marginal technology, but...
Radio still reaches more than 93% of Americans.
Does radio make me sound
more presidential?
The Forgotten Medium
2Tuesday, March 9, 2010
Why Use Radio?
Radio is:
Portable
Immediate
Inexpensive
Personal
Ubiquitous
3Tuesday, March 9, 2010
Electromagnetic Spectrum
Radio is carried through the atmosphere by
electromagnetic waves on the radio portion of the
electromagnetic spectrum.
4Tuesday, March 9, 2010
pf3
pf4
pf5

Partial preview of the text

Download The Persistence and Evolution of Radio: A Historical Overview and more Study notes Mass Communication in PDF only on Docsity!

MSCM 150

Tuesday March 9

Vivian 8 - Radio

and the Origins of Broadcasting

1

considered a historic or marginal technology, but...television and online media, radio is sometimesWith the emergence of broadcast, cable, satellite

Radio still reaches more than 93% of Americans.

Does radio make me sound

more presidential?

The Forgotten Medium

Tuesday, March 9, 2010

Why Use Radio?

  • Radio is:

Portable

Immediate

Inexpensive

Personal

Ubiquitous

3

Electromagnetic Spectrum

electromagnetic spectrum.electromagnetic waves on the radio portion of theRadio is carried through the atmosphere by

Tuesday, March 9, 2010

Electromagnetic Spectrum

the 20AM (amplitude modulation) emerged at the turn of

th

century, and remained the dominant system

distances, even worldwide.until the 1970s. AM can carry signals over great

5

Electromagnetic Spectrum

FM signals are virtually static free.and became the preferred technology in the 1970s.FM (frequency modulation) emerged in the 1940s,

Tuesday, March 9, 2010

The “American System”

supported medium.driven, advertiser-entertainmentprivately controlled,developed as athe United Statesthe world, radio inmost of the rest ofIn contrast with

7

The “American System”

notably television.electronic media,structure for laterestablished theradio in the USThe structure of

Tuesday, March 9, 2010

Radio Programming

from a1960, radio evolvedBetween 1945 and

program

medium to a

format

television.dominance ofemergence andresponse to the medium in

13

Radio until 1950:

A

Program Medium

A

program

(or

appointment

) medium,

particular time.particular program at ato tune in for arequires the consumer

between programs.audiences may tune outparticular audience, andEach program reaches a

Tuesday, March 9, 2010

Radio since 1950: A

Format Medium

throughout the day.current hits, etc)political opinion, sports,programming (ie,hear the same form ofallows consumers toA format medium

discourage tune out.Format media

15

Chain Ownership

become increasingly concentrated.ownership in 1996, the commercial radio industry hasSince the FCC removed national limits on radio

Tuesday, March 9, 2010

Chain Ownership

now held by a private equitystations in the US, and 300 overseas. The company isUntil recently, Clear Channel owned more than 1200

fi

rm.

17

Satellite Radio

interruption.without commercialto subscribers across the US,of program streams directlySatellite radio delivers dozens

prosatellite company has provenand promotion, neitherinvestments in infrastructureIn spite of enormous

fi table.

single company.Sirius, recently merged into aThe two providers, XM and

Tuesday, March 9, 2010

HD Radio

existing AM & FM channels.Digital, CD quality sound on

multiplexed sidebands.Additional programming on

but few portable receivers.Available since 2006 in cars,

switchover.No FCC mandate for

to Canada and Mexico.Only in the U.S., but coming

19

Public Radio in the U.S.

commercials.by the absence ofPublic radio is distinguished

Broadcasting.Corporation for PublicFinanced in part by the

United States.talk programming in thelargest audience for news orNational Public Radio has the

cultural programs.variety of entertainment andPublic radio also offers a wide

Tuesday, March 9, 2010