Time Spent Listening

	Time Spent Listening Time spent listening (TSL) is one of the measurements surveyed by Nielsen Audio in determining ratings for radio stations in the United States. It is the equivalent of Average Time Exposed (ATE), Daily or Weekly. TSL is defined as the amount of time the average listener surveyed spent listening to each radio station at one time, before changing the station or turning it off. Alternately, it is an estimate of how long the average panelist (listener) was exposed to a particular station or stations for a specific time period. TSL trends are used in conjunction with AQH share AQH share is a statistic that measures broadcast radio listenership. Definition is an abbreviation for ''average quarter-hour persons'', defined by Arbitron (now referred to as Nielsen Audio) as the average number of persons listening to a parti ... ("AQH") to evaluate listenership to a station. In some radio formats, a station with low AQH (number of listeners) but high TSL is considered more attractive to a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Nielsen Audio 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 company's initial business was the collection of broadcast television ratings. The company changed its name to Arbitron in the mid‑1960s, the namesake of the Arbitron System, a centralized statistical computer with leased lines to viewers' homes to monitor their activity. Deployed in New York City, it gave instant ratings data on what people were watching. A reporting board lit up to indicate which homes were listening to which broadcasts. For years, Arbitron was a part of Control Data Corporation (CDC) and in 1992, it became a part of Ceridian Corporation before the company was split in 2001. The then-current Arbitron was formed from the renaming of the old Cerid ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the semi-exclave of Alaska in the northwest and the archipelago of Hawaii in the Pacific Ocean. The United States asserts sovereignty over five Territories of the United States, major island territories and United States Minor Outlying Islands, various uninhabited islands in Oceania and the Caribbean. It is a megadiverse country, with the world's List of countries and dependencies by area, third-largest land area and List of countries and dependencies by population, third-largest population, exceeding 340 million. Its three Metropolitan statistical areas by population, largest metropolitan areas are New York metropolitan area, New York, Greater Los Angeles, Los Angel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	AQH Share AQH share is a statistic that measures broadcast radio listenership. Definition is an abbreviation for ''average quarter-hour persons'', defined by Arbitron (now referred to as Nielsen Audio) as the average number of persons listening to a particular station for at least five minutes during a 15-minute period. is the percentage of those listening to radio in an Arbitron "market" (typically a metropolitan area A metropolitan area or metro is a region consisting of a densely populated urban area, urban agglomeration and its surrounding territories which share Industry (economics), industries, commercial areas, Transport infrastructure, transport network ...) who are listening to a particular radio station. Thus, for a given station is mathematically expressed as: \frac{\text{AQH persons listening to all market radio stations \times 100\% Usage AQH Share is most often used in conjunction with TSL (Time Spent Listening) to measure listenership in a market. While AQH measures t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]