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Nielsen Media Research ( NMR) is an American firm that measures media audiences, including television, radio, theatre, films (via the AMC Theatres MAP program), and newspapers. Headquartered in New York City, it is best known for the Nielsen ratings, an audience measurement system of television viewership that for years has been the deciding ...
Nielsen Audio (formerly Arbitron) is a consumer research company in the United States that collects listener data on radio broadcasting audiences. It was founded as the American Research Bureau by Jim Seiler in 1949 and became national by merging with Los Angeles–based Coffin, Cooper, and Clay in the early 1950s.
The A.C. Nielsen company, which continues to measure television ratings today, took over American radio's ratings beginning with the 1949–50 radio season and ending in 1955–56. During this era, nearly all of radio's most popular programs were broadcast on one of three networks: NBC Red, NBC Blue, or CBS' Columbia network.
Ratings are collected year-round, but findings are not made public for about 10 weeks in the summer to allow the networks to experiment with schedules. Radio surveys are conducted by Nielsen Media Research Australia. In Israel, MBER provides radio and TV measurements. In Argentina, radio and television measurement is by Ibope and Infortecnica.
The Nielsen Audio ratings measure listener share among stations.
Wikipedia:List of U.S. television ratings archives. This is a list of U.S. weekly (or smallest available unit for time period) television ratings archives from 1948 through 1997. (Primarily Nielsen ratings) National Nielsen ratings for United States television viewing began in March 1950. Although annual data for the Top-rated United States ...
A Portable People Meter worn by Nielsen Audio panelists to monitor media exposure. The newer NPM-1 Portable People Meter (FCC ID 2ASUZ-NPM-1) installed in a wristband. Nielson Universal Meter Gateway UMG-2, which uses BLE to connect to the meters and uploads the collected data via LTE. The Portable People Meter (PPM), also known as the Nielsen ...
One of Nielsen's best known creations is the Nielsen ratings, an audience measurement system that measures television, radio and newspaper audiences in their respective media markets. In 1950, they acquired the C. E. Hooper company and began attaching recording devices to a statistical sample of about 1200 consumer television sets in the United ...