Abstract:
User exposure to media items is detected and measured. A mobile client device carried by a user digitally samples the audio environment of the user on a regular basis. These samples are transformed into a stream of data signatures and compared with reference media items to detect user exposure to the reference items. Purchase behavior following exposure to selected media content items can be detected and tracked as well, so as to gauge effectiveness of media items such as advertisements.
Abstract:
A device operable to extract a sample of body fluid, the device including at least one skin-penetration member, an actuator, a controller, and a housing mounting the at least one skin-penetration member for extension from the device. Another device for extracting body fluid includes at least one skin-penetration member having an inner bore and an outer diameter, and at least one axially moveable hollow tubular member disposed in the inner bore. Yet another device includes at least one skin-penetration member, an actuator, a controller, a housing mounting the at least one skin-penetration member, and a skin sensor measuring electrical parameters transmitted through the at least one skin-penetration member. Associated methods are also disclosed.
Abstract:
Audible media among different channels is recorded and analyzed to identify repeated instances of the same media item, either within a channel or from channel to channel, over a span of time. Such media items are identified as possible advertisements. A verification process is performed to determine which of these advertisement candidates are in fact advertisements. Once advertisements are so identified, audio from various sources is monitored to identify subsequent occurrences of that advertisement by matching the monitored audio against the stored signatures. In such a manner, advertisement flighting (broadcasts) as well as user exposure to advertisements can be detected and tracked.
Abstract:
The present invention assigns amplitudes of sine wave cycles in a data packet on I and Q channels of a QAM signal to color, gray or luminance values. Overlapping sine wave cycles on the I and Q channels in the data packet are assigned to the same or neighboring pixels. A synchronizing signal is sent at the beginning of each transmission of a packet. The synchronizing signal is a plurality of cycles at a maximum amplitude on the I and Q channels. The synchronizing signal serves two functions simultaneously. First, it is used to indicate the beginning of a new packet. Second, the phase of the synchronizing signal is used to initialize the demodulator phase detecting circuitry.