US Patent 9515904 Monitoring streaming media content

Methods, apparatus and articles of manufacture to monitor streaming media content are disclosed. An example method disclosed herein to monitor streaming media content comprises extracting first metering data from media content to be provided to a content presentation device via a transport stream, the first metering data identifying at least one of the media content or a source of the media content, combining the first metering data with second metering data obtained independently of the media content, the combined metering data not being decodable by a meter associated with the content presentation device, and transcoding the combined metering data to form transcoded metering data having a format decodable by the meter associated with the content presentation device.