You’ve invested time, talent, and energy into making a dent in the universe with your invention and ideas. Now it’s time to make sure it’s protected with PowerPatent’s Utility, Provisional or Design Patent Filing Software
The Matsushita Electric Industrial Co., Ltd. patent solves the following problem:
The present invention relates to a sound field controller for use in audio-visual (AV) equipment, and a method used in such a sound field controller. Particularly, the present invention relates to a sound field controller for sound reproduction with a greeting in front by controlling the distance on the view and the feeling of expansion of a sound image , and with more natural reproduction frequency.
Our analysis of this patent is as follows:
Matsushita Electric Industrial Co., Ltd.’s patent US 5742688 A deals with Sound field controller and control method.
A sound field controller of the invention reproduces a sound field that gives a distance perspective depending on a position of a sound image for an audience. The sound field controller includes: an A / D converter; a signal processing section for processing the digital signal using the predetermined parameters, and to generate a voice signal; an input device for inputting conditions including a position in a voice of local and some distance from a listener; a standard controller to make arguments in the section signal processing so that the voice signal with attributes according to the input conditions; a D / A converter; and a reproducing unit for expanding and copying the signal output from the D / A converter.
The revolutionary TRAN&ASSOCIATES provides patent creation and management tools to help inventors protect their inventions using the patent system. Full lawyer support to complete and file the application is available.