Abstract: A method includes, in a user device (24) that runs an Operating System (OS-48), deciding to preload at least a User-Interface (UI) display of a user application (26). At least the UI display is preloaded in a simulated-foreground mode in which the UI display is (i) processed in a foreground mode by the user application, but (ii) kept in a background mode by the OS and hidden from a user of the user device.

Abstract: A user device includes an interface and one or more processors. The interface is configured to communicate over a network. The one or more processors are configured to evaluate a pre-load scheduling condition with respect to a user application installed in the user device, and to schedule pre-loading of the user application depending on the pre-load scheduling condition.

Abstract: A user device includes an interface and one or more processors. The interface is configured to communicate over a network. The one or more processors are configured to evaluate a pre-load scheduling condition with respect to a user application installed in the user device, and to schedule pre-loading of the user application depending on the pre-load scheduling condition.

Abstract: A method includes, in a user device (24) that runs an Operating System (OS-48), deciding to preload at least a User-Interface (UI) display of a user application (26). At least the UI display is preloaded in a simulated-foreground mode in which the UI display is (i) processed in a foreground mode by the user application, but (ii) kept in a background mode by the OS and hidden from a user of the user device.

Abstract: A user device includes a memory and one or more processors. The memory is configured to store one or more user applications installed in the user device. The one or more processors are configured to run an Operating System (OS) of the user device, including maintaining a data structure that tracks activity of the user applications, and to pre-load a user application before the user application is accessed by a user, including preventing the data structure from tracking the pre-loaded user application.

Abstract: A user device includes a memory and one or more processors. The memory is configured to store one or more user applications installed in the user device. The one or more processors are configured to select one or more operations, which are to be performed in normal launching of a user application but not in background pre-loading of the user application, to pre-load the user application before the user application is accessed by a user, including skipping the one or more selected operations, and to complete the one or more skipped operations in response to the user accessing the user application.

Abstract: A user device includes a display screen and one or more processors. The display screen is configured to display content to a user. The one or more processors are configured to pre-load a user application by running at least part of a program code of the user application in a background, including enabling the program code of the user application to pre-render a visual display of the user application in the background, and, in response to the user accessing the user application, to transfer the pre-rendered visual display to a foreground, thereby displaying the visual display to the user on the display screen.

Abstract: A user device includes an output device and one or more processors. The one or more processors are configured to run an Operating System (OS), to query a component of the OS that possesses information indicative of a user application that the user is currently expected to access, and to preload the user application in a background mode that is unnoticeable on the output device.

Abstract: A user device includes a memory and one or more processors. The memory is configured to store one or more user applications installed in the user device. The one or more processors are configured to run an Operating System (OS) of the user device, including maintaining a data structure that tracks activity of the user applications, and to pre-load a user application before the user application is accessed by a user, including preventing the data structure from tracking the pre-loaded user application.

Abstract: A user device includes an interface and one or more processors. The interface is configured to communicate over a network. The one or more processors are configured to evaluate a pre-load scheduling condition with respect to a user application installed in the user device, and to schedule pre-loading of the user application depending on the pre-load scheduling condition.

Abstract: A user device includes a display screen and one or more processors. The display screen is configured to display content to a user. The one or more processors are configured to pre-load a user application by running at least part of a program code of the user application in a background, including enabling the program code of the user application to pre-render a visual display of the user application in the background, and, in response to the user accessing the user application, to transfer the pre-rendered visual display to a foreground, thereby displaying the visual display to the user on the display screen.

Abstract: A user device includes a memory and one or more processors. The memory is configured to store one or more user applications installed in the user device. The one or more processors are configured to select one or more operations, which are to be performed in normal launching of a user application but not in background pre-loading of the user application, to pre-load the user application before the user application is accessed by a user, including skipping the one or more selected operations, and to complete the one or more skipped operations in response to the user accessing the user application.

Abstract: A system (20) includes one or more interfaces and multiple processors. The one or more interfaces are configured to communicate over a communication network (40). At least a first processor from among the processors is included in a user device (24) and at least a second processor from among the processors is included in a server (52) external to the user device. The processors are configured to track content items that are provided by one or more content sources (36) and to deliver the content items to one or more applications (32) installed in the user device.

Abstract: A system (20) includes one or more interfaces and multiple processors. The one or more interfaces are configured to communicate over a communication network (40). At least a first processor from among the processors is included in a user device (24) and at least a second processor from among the processors is included in a server (52) external to the user device. The processors are configured to track content items that are provided by one or more content sources (36) and to deliver the content items to one or more applications (32) installed in the user device.

Abstract: A signal processing system includes a plurality of detectors for detecting signals, each detector receiving signals from plural sources; and a processor for receiving the detected signals and producing a reconstruction filter for filtering the detected signals to produce reconstructed source signals in which each source signal is reconstructed without interference from the other source signals. The reconstruction filter is produced such that cross-polyspectra of the reconstructed signals are forced to approach zero.

Abstract: A noise reducing system includes an input transducer that energizes an adaptive filter. The adaptive filter energizes an output transducer that creates a noise reducing field at the input transducer.

Abstract: A method and apparatus for controlling an equalizer receiving the output of an unknown system in order to produce a desired response for recovering the input to the system are characterized by iteratively adjusting the equalizer such that the unknown system combined with the equalizer behaves essentially as a linear system whose (t,n) taps, for some combinations of t and n, are iteratively adjusted according to the following rule: ##EQU1## where s.sub.t,n denotes the (t,n) tap before the iteration, s'.sub.t,n denotes the (t,n) tap after the iteration, I is a preselected integer greater then or equal to one, .alpha..sub.i i=1,2 . . . I are preselected scalars that may vary from iteration to iteration, and p.sub.i, q.sub.i i=1,2, . . . I are preselected non-negative integers such that p.sub.i +q.sub.i .gtoreq.2.

Abstract: A system separates unknown signals which have been combined together through unknown linear filters and for which observations at multiple sensors are made. In a two channel circuit with two inputs and two sensors, the reconstructed source signals are assumed to be decorrelated such that the cross-correlation between the reconstructed source signals is near zero. The transfer functions which represent the crosstalk processes are estimated. The output signals are detected and the transfer functions are recursively solved. A reconstruction filter is used to recover the original input signals.