1. A media monitoring method comprising: executing a media signature matching procedure, with a processor, using a first analysis window on monitored media signatures representative of monitored media to identify the monitored media; and in response to determining first matching results obtained from executing the media signature matching procedure using the first analysis window are indicative of a matching uncertainty condition, outputting second matching results obtained from executing the media signature matching procedure on the monitored media signatures using a second analysis window that is larger than the first analysis window.