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4842results about How to "Reduce the difference" patented technology

Method for dynamically adjusting an interactive application such as a videogame based on continuing assessments of user capability

A method of balancing a user's input to an interactive computer program with the program's output is obtained by continually measuring the difference between the user's input and the program's output and adjusting one or more parameters of the program's output so that the difference from the user's performance is progressively reduced. The adjustment may be obtained dynamically through negative feedback dampening of the measured difference (delta) between user input and program output, and/or by selection of predetermined apposite values for program output corresponding to the measurement of user input. The adjustment results in dynamic generation and/or selection of premodeled segments of interactive output in closer balance with user input. The adjustment method can be applied to video games, educational games, productivity programs, training programs, biofeedback programs, entertainment programs, and other interactive programs. In video games, the adjustment method results in balancing user performance with game difficulty for a more engaging game experience. It can also enable embedded advertising to be triggered when the user is in an optimum state of engagement. The adjustment method may be performed by projecting future trends of user performance, selecting predetermined or dynamically determined levels of value, modifying user control of input devices, or even modifying the program's challenges to user capability over time.
Owner:CONKWRIGHT GEORGE COLBY

Binaural synthesis, head-related transfer functions, and uses thereof

PCT No. PCT/DK95/00089 Sec. 371 Date Dec. 27, 1996 Sec. 102(e) Date Dec. 27, 1996 PCT Filed Feb. 27, 1995 PCT Pub. No. WO95/23493 PCT Pub. Date Aug. 31, 1995A method and apparatus for simulating the transmission of sound from sound sources to the ear canals of a listener encompasses novel head-related transfer functions (HTFs), novel methods of measuring and processing HTFs, and novel methods of changing or maintaining the directions of the sound sources as perceived by the listener. The measurement methods enable the measurement and construction of HTFs for which the time domain descriptions are surprisingly short, and for which the differences between listeners are surprisingly small. The novel HTFs can be exploited in any application concerning the simulation of sound transmission, measurement, simulation, or reproduction. The invention is particularly advantageous in the field of binaural synthesis, specifically, the creation, by means of two sound sources, of the perception in the listener of listening to sound generated by a multichannel sound system. It is also particularly useful in the designing of electronic filters used, for example, in virtual reality systems, and in the designing of an "artificial head" having HTFs that approximate the HTFs of the invention as closely as possible in order to make the best possible representation of humans by the artificial head, thereby making artificial head recordings of optimal quality.
Owner:M O SLASHED LLER HENRIK +3
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