Médias et Communication - diffusion

the electronic medium of transmitting audiovisual content to viewers

télévision

the transmission and reception of audio content through electromagnetic waves, providing a platform for delivering news, music, and other forms of entertainment to listeners

radio

the specific number of waves that pass a point every second

fréquence

radio waves used as a medium for broadcasting television and radio programs

ondes

a unit that is used to measure the frequency of a radio wave, or speed of a computer, which is equal to 1 billion Hertz

gigahertz

disturbance caused by signals from a different source which lead to unwanted noise in a radio signal that is being received

interférence

a radio wave with a frequency under 300 kHz and a wavelength of more than 1 kilometer that is used for broadcasting

grandes ondes

a radio wave that has a frequency between 300 kHz and 3 MHz and a wavelength between 100 to 1000 meters, which is used for broadcasting

ondes moyennes

a radio wave that has a frequency between 3 and 30 MHz, and a wavelength between 10 to 100 meters, used for broadcasting

onde courte

a unit that is used to measure the frequency of a radio wave which is equal to 1 million Hertz

megahertz

a series of electrical or radio waves carrying data to a radio, television station, or mobile phone

signal

a recognizable signal that the radio broadcasts at a precise time to indicate the accurate time of day

signal horaire

a tall structure, usually made of metal, used to transmit television or radio signals

relais

the activity of transmitting a signal, a message or a program that is being broadcast on radio or television

transmission

a range of radio waves with a frequency between 300 MHz and 3000 MHz, especially used in broadcasting television and radio programs that are of high-quality

UHF

radio waves in the range of 30 to 300 MHz that are used in broadcasting TV signals

VHF

a series of radio waves with similar lengths used for specific types of radio broadcasting

bande de fréquences

the distance between a point on a wave of energy and a similar point on the next wave

longueur d'ondes

a noise that holds numerous sound frequencies with the same strengths

bruit blanc

the distribution of audio or video content to a wide audience, typically through radio or television, using a network or airwaves

émission

the absence of any sound or broadcast signal on a radio or television channel, resulting in a period of silence or static noise

air mort

the quality or the act of receiving radio, television or cellphone signals

réception

a program sent out by a satellite or from the main network to radio and television stations for broadcasting

diffusion

the transmission or dissemination of content to a specific and targeted audience or niche market, as opposed to broadcasting to a broad and general audience

diffusion restreinte

‌a system by which people working in a radio station can communicate with one another without being heard by the audience

talkback

interfering noises on telecommunication systems, such as radio, caused by electrical disturbances in the air

parasites

a right given to people to broadcast their own programs on television or radio channels

accès du public

the licensing or distribution of television or radio programs to multiple broadcasters or stations for airing, allowing content to reach a broader audience beyond its original network or production company

syndication

a group of TV or radio stations broadcasting the same program at the same time in different places

chaîne

one of the main methods of radio broadcasting with a high sound quality

mf

one of the main methods of radio broadcasting with a lower sound quality than FM

modulation d'amplitude

the trend of canceling traditional cable or satellite TV subscriptions in favor of streaming services or other digital media options

remplacer la télévision par câble par des plateformes en ligne