About Ratings

Rating refers to the percentage of the number of the individuals or households viewing (listening) to a program within a duration of time out of the total individual or household viewers (listeners), i.e. It is a guideline for calculating the number of TV program viewers and radio program listeners. Ratings are the scientific basis for advertisement assessment, the principle index of program evaluation and the critical substratum of program scheduling and adjustment. Ratings are quite important to the whole media industry.

The following are some key factors that are important to ensure the quality of TV audience measurement:

Establishment Survey ---- identifies the population scale and characteristics
Panel ---- the representative sample of the interviewed TV audience
PeopleMeter ---- electronic device for measuring TV audience's viewing behavior
Infosys ---- software for analyzing TV rating data