Media and Modes of Communication Transmission of messages can be made through a variety of media. Media differ in their properties. Some are best suited for one to one communication , others one to many , or others many to many. Each medium has its own characteristics which is advantageous in different situations. Hence, it is very important to select our media with care. For the purpose of our understanding we will divide media into Traditional / Conventional and nonconventional or modern Conventional/ Traditional Modes. • Mail: The postal service uses rail, air and road and is usually government owned network with links with all the other countries. Various types of mail services are available such as ordinary mail, registered mail, quick mail, express delivery, under certificate of posting and speed post. • Courier: They are private, they collect and deliver packets door to door at any time. Though the cost is high, there is a very quick service for delivery of parcels and letters. • Hand delivery: written messages can be delivered within the city by an organization’s delivery boys. • Telegraph: It is a government owned network in most countries and has links with all the other countries. The telegraph came into use earlier than the telephone as a means of communicating. S.F. Morse invented this system of electric signalling. Signals are sent by making and breaking the current in an electric circuit so that the signal consists of short and long clicks which can be clearly heard. The first permanently successful telegraph cable crossing the Atlantic Ocean was laid in 1866. J. B. Stearns introduced the message of sending four messages over the same wire at the same time in 1874. Messages sent over the telegraph are known as telegrams. This medium has lost its importance with the introduction of mobile phones . It has an excellent network which reaches even remote parts of the country where modern media have not yet reached. • Telex: Telex is used only by the organizations. Telex connection is got through the post office , each subscriber has a number of connections . The machine is fitted with a roll of paper and messages are typed out continuously. When a message is typed on the sender’s machine, the same message gets typed on the receiver’s machine. The machine is describes as one for talking over wires as it combines the benefit of the spped of the telephone with the authority of the written word.The advantage of this machine is that it automatically types out received messages which can be read later. When it is attended it can carry on a two- way dialogue. • They can be received on a screen; newspaper offices, share markets, air ports, railway stations and places where moment to moment information has to be conveyed to many people, telex messages are relayed on a screen. • Telephone: It is a means of oral communication.The first instrument made by Alexander Bell in 1876 was very crude, but owing to constant improvements conversation today over a telephone has become practically effortless. It is the most useful and universal medium of oral communication with a person who is not present at the same place as the sender. STD( Subscriber Trunk dialling) to almost all cities in the country and ISD (International subscriber Dialling) facilities to all the major cities of the world have made the telephone an instrument for instant communication to any part of the world. • Technological advance has made the telephone instrument so sophisticated that it is able to provide a number of services. An answering machine can take a message if you cannot answer it. Conference facility permits three or more persons from different parts of the world to have a discussion by telephone. Cordless telephone frees the handset and allows the user to take it around within a range of 100 metres from the handhold. • Notice Board: Notice board and bulletin board are media for public communication within the orgainzation. A notice board is placed at a location where it can be seen by the persons whom it is meant. • Newspapers and magazines: these are media for mass communication. They are used by business houses for inviting tenders, for recruitment information and other public notices and advertisements. • Radio: The radio is a medium of mass oral communication. News, notices, advertisements are transmitted to the public by radio. Like other mass media it allows only one way communication . The transistor set has made it possible for radio to reach all parts of the country and all sections of the population. • Cinema and film: It is also an audio visual element like T.V. Motion pictures are more useful for instruction, information education and entertainment. Audience can see the film in direct contact with the facts and ideas through sight hearing and action and thus makes a direct impact on them. They can be used for a variety of purposes of organizational communication to inform or motivate the employees about the activities, programmes, outlook etc. • They can also be used to show the organizational chart authority relations, production process methods of production and work situation. • Television: Television refers to the transmission of vision. The system of television broadcast comprises of audio and video or image transmission. It makes the best use of other media like printed words, spoken words, motion pictures, colour animation and sound. • In India the most remarkable and momentous development in television is the Satellite Instructional television experiment inaugurated in 1975. Modern Media • Computer: It is a versatile electronic equipment which can combine almost all the media functions. The word processor helps in the preparation of letters by guiding you through the steps of the layout, it ensures that the letter or any document is neatly laid out in a few commands, it helps you prepare a circular and personalize it for several persons and addresses by mail merge. It guides you through the steps of a report. Spread sheets, tables, charts and other graphics can be quickly prepared on the computer. Databases of customers, suppliers, and so on are maintained and easily updated. The internet and the email function through a computer. Computer technology is the fastest moving field, advances are made rapidly and users can upgrade their equipment and buy the latest software for more advanced tasks. • Cellular Phone: it is based on a combination of the old radio technology and emerging telecommunication technology. Cellular phones operate through airways, much like a radio. This means that weather conditions, underground parking or passages and fortified buildings may affect reception. There are some boundaries to cellular coverage outside metropolitan areas from major highways. • Voice mail: It is a communication device on a telephone line. The simple answering machine which can be attached to a telephone is a form of voice mail, it allows a caller to leave a name / number and message if you do not answer the phone. The message can be retrieved and answered later at a more convenient time.Cellular phone companies offer voice mail service as a part of their network offerings, the service is expensive and available 24 hours a day. A voice mail device can be attatched to a telephone directly or through a computer. Fax machines have voice mail facility. Some voice mail services stamp each message with the date and time so that you know exactly when the call was left. • Internet Voice mail or voice email: This is an addon software program that lets you send voice mail over the Internet free to anyone with an e-mail address. It works like the e-mail program. You have to enter a person’s email address, record a message and send it. You can even add text, pictures, and photographs and attatch files. Internet Voice Mail works with any existing e-mail program, and adds sounds • Fax: Facsimile machine is a device for transmitting copies of printed images over telephone lines. The machine is connected to a telephone line through a modem. The sender has to dial the receiver’s fax number insert the document into the machine and press the start button.The machine scans the page to make an electronic representation of its text and graphics , compresses the data to save transmission time and transmits it to another facsimile machine. It produces an exact photocopy of the original document on the receiving fax machine. The printout contains the time and date and the telephone number of the machine from which it is sent. The messages are protected by password. Most fax machines can be used for making one or two xerox copies of a document. • E-mail: Electronic mail requires a computer , a telephone line and a modem. The connection is given by the VSNL and the MTNL. The communication is almost instantaneous, the message is stored by the receiver’s electronic mail box till it is called up by the receiver. After it has been called up it can be stored in the receiver’s computer and read at any time. Although in speed of transmission email comes close to the telephone it does not demand instant reply, there is time to think before replying. An important effect of the email within the organization is that it can bypass the chain of command for upward communication.A subordinate’s query or observation may be simultaneously on the computer of the immediate supervisor as well as a higher level manager. • Internet: The internet is an international network of networks. It is not owned by anyone. It is an excellent source of information on any topic. You can collect data apply for jobs put queries etc. Many products can be bought and sold on the shopping sites. A good deal of commerce is conducted on the internet some allow payment in cash though payment through credit card is immediate and more universally accepted in e-commerce.