HIstory of Radio

Category: Others/ Misc

Presentation Description

HIstory of history.. Birth of radio


Presentation Transcript


Name:- Submitted To:- Rashmi mam Satyadev Vishwakarma Class:- T.Y.B.M.M

TiTLE:- History of Radio:

TiTLE :- History of Radio


INTRODUCTION Radio simply refers to an audio form of communication, and using radio waves, an electromagnetic radiation to broadcast from a transmitter to a receiving antenna. In order to transmit the same kind of programming, stations are connected to all the radio networks. Today we have many radio stations all over the world broadcasting by the means of transmission. “The word “RADIO” first used by Lee deforest”. As we know there are different types of radio stations but the best known kind of radio stations are the ones that broadcast through radio waves. These generally consists of AM and FM stations. In this internet world, now we also have internet radio broadcast. Apart from the normal FM radio and internet radio, there is also satellite radio.


Development Radio technology began as "wireless telegraphy". It all started with the discovery of "radio waves" - electromagnetic waves.

The Roots OF Radio:

The Roots OF Radio In 1860s, Scottish physicist, James Clerk Maxwell predicted the existence of radio waves. James Clerk Maxwell

The Roots OF Radio:

The Roots OF Radio 1886, German physicist, Heinrich Rudolph Hertz Proved Maxwell’s theories. Identified Electromagnetic waves. Heinrich Rudolph Hertz

The Roots OF Radio:

The Roots OF Radio Guglielmo Marconi, an Italian inventor. The first successful transatlantic radiotelegraph message. Guglielmo Marconi

The Roots OF Radio:

The Roots OF Radio Nikola Tesla, The first person to patent radio technology. Nikola Tesla

The Roots OF Radio:

The Roots OF Radio Lee Deforest , invented space telegraphy, the triode amplifier and the Audio. Wireless telephony, Amplified sound. He was also the person who first used the word "radio" . Lee Deforest


METHODOLOGY OF RADIO Modulating signal Microphone Carrier Wave Modulated Wave Broadcast Tower Radio How radio electromagnetic waves are changed to Radio Waves…??? The sound wave is equivalent to a pressure wave.

Growth of Radio Radio-telegraph and Spark-Gap Transmitters:

Growth of Radio Radio -telegraph and Spark-Gap Transmitters Radio-telegraphy is the sending by radio waves the same dot-dash message (Morse code) used in a Telegraph. The first time the human voice was transmitted by radio in 1892. In 1899 the United States Army established wireless communications with a lightship off Fire Island, New York. Two years later the Navy adopted a wireless system. ship-to-shore and ship-to-ship communication.

PowerPoint Presentation:

David Sarnoff

PowerPoint Presentation:


PowerPoint Presentation:

KDKA, Pittsburgh, 1920. “First” station to broadcast music and talk First commercial radio station

Radio in India:

Radio in India Madras presidency radio club May 16, 1924 The government of india granted a licence to the indian broadcasting company Ltd. In 1927, which started regular broadcasting service by building two weak stations at Calcutta and Mumbai.

Indian state broadcasting service (ISBC) and birth of all India radio (A.I.R):

Indian state broadcasting service (ISBC) and birth of all India radio (A.I.R)

National integration and the development of a "national consciousness" were among the early objectives of All India Radio.:

Mr. Lionel fielden , first controller of broadcasting. In J une 1936 ISBC was renamed All India Radio. A.I.R during the second world war. In 1947, AIR was made a separate Department under the Ministry of Information and Broadcasting . National integration and the development of a "national consciousness" were among the early objectives of All India Radio.

PowerPoint Presentation:

In 1947 the A.I.R had 14 broadcasting stations. 15 new broadcasting station were set up between 1948-1951. All India Radio  (AIR), officially known since 1956 as  Akashvani . All India Radio is one of the largest radio networks in the world. Its headquarters is at the Akashvani Bhavan in New Delhi.

Vividh Bharati:

Vividh Bharati Vividh Bharati is one of the best-known services of AIR. Its name roughly translates as "Multi-Indian Service" , and it is also known as the Commercial Broadcasting Service (CBS).  The popular Vividh Bharati Service of All India Radio was conceptualized to combat 'Radio Ceylon' in 1957 .   The service provides entertainment for nearly 15 to 17 hours a day. It presents a mix of film music, skits, short plays and interactive programmes. Eg - In 1999, Vividh Bharati Service proved its success connecting Indian Soldiers posted on remote border areas to their family members through a special programme entitled "Hello Kargil", through which not only the family members of the soldiers, but even a layman including young and old conveyed their best wishes to the soldiers to keep up their morale.

vividh bharti programming:

vividh bharti programming Sangeet Sarita Bhule Bisre Geet Hawa Mahal Jaimala Inse Miliye Chhaya Geetare Bioscope Ke Baatein Sargam Ke Sitare Celluloid Ke Sitare Sehatnama Hello Farmaish


POPULAR RADIO PROGRAMME FORMATS News Bulletins Radio Talks Music Programmes Drama/Short plays Radio Advertising Educational Programmes Radio Documentaries/Feature Radio Discussions Movie Trailers Quiz Programmes

Frequency modulation (FM) (1997-2000):

Frequency modulation (FM) (1997-2000) FM broadcasting is a broadcast technology invented by Edwin Howard Armstrong that uses frequency modulation (FM) to provide high-fidelity sound over broadcast radio. In India it was 1 st introduce in Madras, 1977, later at Jalandhar 1992 Times FM (now Radio Mirchi ) began operations in 1993 in Ahmadabad. 15 august 1993 FM channel was launched in Bombay.

PowerPoint Presentation:

The AIR stations of Delhi, Bombay, Panaji , Bangalore, Madras and Calcutta, sold FM slots to private producers. The monopoly of All India Radio ended in 1999 when the industry was opened up to private commercial FM radio. In 2000, Government announced the auction of 108 FM frequencies across India. FM radio businesses were granted their first licenses in 2001.

PowerPoint Presentation:

FM in Past FM in Present Pay for listen Big devices Limited time Less programs No interactivity with listeners No attractive programs Limited Employees No competitors No live updates Free of cost Small devices 24 hours More programs Interactivity with listeners Gifts for listeners Increased man power More channels available Live updates available (traffic, cricket etc)


SOME FAMOUS FM STATIONS IN INDIA 91.1 - Radio City 92.7 - Big FM 93.5 - S FM 94.3 - Radio One 98.3 - Radio Mirchi


101.3 - FM Rainbow 102.9 - Vividh Bharati 104 - Fever FM 105.6 - Gyaan Vaani SOME FAMOUS FM STATIONS IN INDIA

PowerPoint Presentation:

Current Trend News is not permitted on private FM. The Supreme Court of India on 17 October 2013 issued notice to the centre on a PIL seeking a direction to allow private radio stations, including community radio, to broadcast news. At the time of independence there were six radio stations and 18 transmitters, which covered 11% population and 2.5 % area of the country. Till December, 2007 the network comprises of 231 stations & 373 transmitters which provide radio coverage to 99.14% of the population and reaches 91.79% area of the country .

PowerPoint Presentation:

Current Trend Presently, radio broadcasting is presented in 24 languages and 146 dialects all across India and there are 104 million radio households in the country, using approximately 111 million radio sets. All India Radio (AIR) initiated regional radio services in India. A variety of programmes broadcasted in AIR caters to different regions and languages across India.

PowerPoint Presentation:

Radio Models in Past

PowerPoint Presentation:

FM Models in Present

authorStream Live Help