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A separate BBC Worldwide study with CrowdEmotion installed 200 web cams in homes across the UK, capturing viewer reactions to shows including Sherlock. The BBC said the experiment also produced valuable results.
Further tests have taken place with audiences in Russia and Australia, with responses to around 100 different programmes recorded.
The viewer trial prompted concerns that the BBC would use the webcam technology to “spy” on people’s living rooms and assess how diligently they were watching programmes. But the BBC believes facial coding will help it to serve audiences merely by gaining a greater understanding of their tastes.
Rather than tailoring new programmes to match the results of the experiment, the insights would be used to guide viewers towards more shows they might like, informed by their conscious and subconscious reactions.
CrowdEmotion, supported by the BBC Worldwide Labs programme, aims to become the largest dedicated facial coding provider in the world. The BBC programmes trial gave the company a data set of 10,000 “face videos”.