摘要:
Methods and apparatus to determine audience viewing of recorded programs are disclosed. An example method disclosed herein comprises displaying a previously recorded program on a display, determining a possible original broadcast time corresponding to the previously recorded program, determining program identifying information corresponding to the previously recorded program, and processing the possible original broadcast time information and the program identifying information to compare the previously recorded program with a known broadcast program.
摘要:
A portable music device (PMD) (110) for capturing song tags while monitoring a broadcast via Internet (106) or radio (102), either on the PMD (either via an Internet connection or via a built- in FM radio receiver), or on a nearby radio (by detecting the station to which the nearby radio is 0 tuned). The user can use the captured song tags to download song files, either from an Internet music vendor (118) or in a physical music shop (104). Song tags may be ID3-type tags modified to include a link to a web address of a server for downloading songs. The PMD may also store credits for paying for the songs, and may include a contactless interface (212) for secure payment.
摘要:
Methods and apparatus to monitor audio/visual content from various sources are disclosed. An example method to monitor media content provided by a selected one of a plurality of media content sources for presentation by an information presenting device disclosed herein comprises determining first information based on a video signal corresponding to the monitored media content, determining second information based on an audio signal corresponding to the monitored media content, identifying the selected one of the plurality of media content sources based on a first classification decision resulting from one of the first information and the second information and a second classification decision resulting from the other of the first information and the second information, and identifying the monitored media content based on identification information associated with at least one of the video signal or the audio signal.
摘要:
Methods and apparatus to maintain privacy while determining viewing of video-on-demand programs are disclosed. An example method for monitoring a displayed VOD program disclosed herein comprises determining a first set of metering information (320) based on a first set of data collected at a subscriber site (312, 316), determining a second set of metering information (324) based on a second set of data reported by at least one of a VOD server (304) and a head-end, determining a third set of data based on the second set of data, and combining the first and third sets of metering information to credit the displayed VOD program (328).
摘要:
A number of radio programs are received simultaneously, and data representing the most recent interval of those programs is maintained in the memory. A user interface is provided with controls for switching programs, and a control for initiating playback of a delayed version of the currently selected program based on the data maintained in the memory. This arrangement permits the user to "rewind" a segment of whatever program the user is currently listening to, even immediately after switching stations.
摘要:
Methods and apparatus to detect blank images in a digital video broadcast signal are disclosed. An example method of detecting a blank image includes analyzing DC values of luminance blocks associated with a frame to determine a number of the luminance blocks having substantially the same DC value; and identifying the frame as a blank image if the number exceeds a predetermined threshold.
摘要:
This invention relates to the automatic detection and identification of broadcast programming, for example music, speech or video that is broadcast over radio, television, the Internet or other media. “Broadcast” means any readily available source of content, whether now known or hereafter devised, including streaming, peer to peer delivery or detection of network traffic. A known program is registered by deriving a numerical code for each of many short time segments during the program and storing the sequence of numerical codes and a reference to the identity of the program. Detection and identification of an input signal occurs by similarly extracting the numerical codes from it and comparing the sequence of detected numerical codes against the stored sequences. Testing criteria is applied that optimizes the rate of correct detections of the registered programming. Other optimizations in the comparison process are used to expedite the comparison process.
摘要:
Signature-based channel or program identification apparatus and methods for use with audio/video content delivery and distribution systems are disclosed. The disclosed apparatus and methods acquire peak signal magnitudes between zero crossings of a reference audio signal and an audio signal associated with audio/video content consumed at a consumption site. Signatures for the signals are developed using sums of the peak signal magnitudes and the signatures are compared to identify the audio/video content consumed at the consumption site.
摘要:
An apparatus for generating content codes for the scenes of a program includes a scene detector (18) that detects the start of new scene, and a selector (24) that allows a group of viewers to enter or select one or more content codes for the scene, the content codes being related to the audio and visual contents of the scene. The content code(s) and data identifying the scene are then stored (28) for later use. The apparatus also includes a new scene indicator (26) that is activated when a new scene is detected and is then deactivated after content code(s) have been inputted for the scene. Content codes may also be obtained from a set of viewers with a single content code being generated based on the entire set.
摘要:
So that listeners can compile their radio service on an individual basis, broadcasts are classified according to the respective information content, and the broadcasts in each information class are sent in a respective data stream at parallel times. At the reception end, the data streams are simultaneously picked up, are possibly buffer-stored, and are forwarded to a reproduction device according to individual stipulations.