Bias compensating remote audience survey system and method

Details Bias compensating remote audience survey system and method Bias compensating remote audience survey system and method

H - Electricity

04

H

H04H 9/00 (2006.01)

Patent

CA 2322840

A bias compensating remote audience survey system (34) is configured to identify radio stations (162) to which tuners (24) are tuned. The tuners (24) have predetermined signals (26) emitted therefrom. The survey system (34) employs a method (152) of compensating for a station bias, or preference, toward or against one or more radio stations (162). The method (152) includes measuring durations (62) over which the predetermined signals (26) are received by the survey system (34). The durations (62) are then combined by averaging to form a station average detection length (ADL) value (74) specific to one of the radio stations (162). The station ADL value (74) is compared to a multi-station ADL parameter (86). A sensitivity level (146) for the one radio station (162) is adjusted in response to the comparison to compensate for station bias.

Un système (34) d'étude d'audience à distance à compensation d'erreur est configuré pour identifier les stations radio (162) sur lesquelles sont accordés des syntoniseurs (24). Les syntoniseurs émettent des signaux prédéterminés (26). Le système (34) d'étude utilise un procédé (152) de compensation d'une erreur de station, ou d'une préférence, vers ou à l'opposé d'une ou de plusieurs stations radio (162). Le procédé (152) consiste à mesurer des durées (62) pendant lesquelles les signaux prédéterminés sont reçus par le système d'étude (34). Les durées (62) sont alors combinées par calcul de moyennes pour former une valeur (74) de longueur de détection moyenne (LDM) de station spécifique à une des stations radio (162). La valeur (74) LDM des stations est comparée à un paramètre (86) LDM multistation. Un niveau de sensibilité (146) pour les stations radio (162) est réglé en réponse à la comparaison afin de compenser cette erreur de station.

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