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About CSM

CSM Media Research is a joint venture between CTR Market Research and the TNS Group. Dedicated to TV & radio audience measurement research, CSM Media Research offers reliable and uninterrupted rating information for Hong Kong SAR and China. CSM Media Research operates the world's largest TV & radio audience measurement panel network, covering more than 55,000 households and 182,000 individuals. CSM's TV audience measurement network provides data that represents the viewing of 1.2 billion people in China mainland and 6.3 million people in Hong Kong SAR. The radio network represents the listening of 73 million people in China. Up to February, 2010, CSM delivers data from 180 TAM panels (1 national panel, 25 provincial panels, and 154 city panels including Hong Kong SAR) which provide data independently, measuring the viewing of 1,278 unique TV channels all day, every day of the year. Meanwhile, CSM has built radio audience measurement panels in 33 cities, and measures the listening of 409 radio frequencies.



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