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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. [2]
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 factor in canceling or renewing television shows by ...
The Portable People Meter (PPM), also known as the Nielsen Meter, was a system developed by Arbitron (now Nielsen Audio) to measure how many people are exposed to individual radio stations and television stations. This also includes cable television.
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 ...
In radio, Numeris is the main provider of ratings services. The company has traditionally used a diary -based system for tracking radio audience habits and this system is still used in most markets.
Talkers Magazine, an American trade publication focusing on talk radio, formerly compiled a list of the most-listened-to commercial long-form talk shows in the United States, based primarily on Nielsen data.
NPR stations generally subscribe to the Nielsen rating service, but are not included in published ratings and rankings such as Radio & Records. NPR station listenership is measured by Nielsen in both Diary and PPM (people meter) markets.
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.