Audience rating survey system and audience rating information searching method based on audio frequency characteristics
A technology for ratings surveys and audio features, applied in television, speech analysis, speech recognition, etc., can solve the problems of special channel information collection equipment, poor equipment versatility, limited statistical data, etc., to achieve reliable retrieval methods, low manufacturing costs, The effect of high data compression ratio
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[0030] The present invention will be further described below with reference to the drawings and embodiments.
[0031] figure 1 Among them, it is mainly composed of two parts: the user-side data acquisition system and the central-side data processing system. The user-side data acquisition system includes audio acquisition module 1, feature extraction module 2, data encoding storage module 3 and sending module 4. Module 1 collects the audio signal of the AV terminal of the TV. The audio collection module 1 is connected to the feature extraction module 2. The feature extraction module 2 extracts the features of the audio signal, encodes and packs it and sends it to the data encoding storage module 3, and the data encoding storage module 3 then The sending module 4 periodically sends data to the central data processing system; the central data processing system includes the corresponding receiving module 5 and data processing module 6. The data processing module 6 is based on the coll...
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