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Method of simulating a room and/or sound impression
OF THE PREFERRED EMBODIMENTS FIG. 1a of the drawing shows a possible method of determining the room impulse response. A measuring signal is radiated at the location of ...
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Acoustic display system and method for ultrasonic imaging
The invention provides an ultrasonic imaging system with a three-dimensional acoustic display. In the preferred embodiment, this is accomplished by scanning an ...
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Panel-form microphones
What is claimed is: 1. A panel-form microphone for operation in a predetermined frequency range, comprising: a member having selected values of certain physical ...
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Audio system for a computer display
OF THE INVENTION Referring to the drawing there is shown an essentially rectangular screen S of an VDU. Loudspeakers 1 to 4 are situated at the corners of the screen. T...
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Apparatus and method for adjusting audio equipment in acoustic environments
The foregoing objects are achieved by this invention in which the signal in each channel of a stereo is modulated at an inaudible frequency by a replica of the original ...
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Method for the authentication of data
It is an aim of the invention to increase the possibilities of the method of authentication so that one and the same chip card (in the case of chip cards) can be used in ...
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Stereo signal communication system and method
OF SPECIFIC EMBODIMENTS Referring to the specific embodiment shown in the drawings, and without thereby in any way limiting the scope of the invention, FIG. 1 shows one ...
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Method and apparatus for encryption
The above-discussed and other drawbacks and deficiencies of the prior art are overcome or alleviated by the method and apparatus of encrypting optical images and storing ...
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4-Channel surround sound generator
It is, therefore, an object of the invention to provide a four-channel surround-sound generator capable of generating a first surround-sound in phase to a basic channel ...
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Linear speaker array
As used herein, the term "sound delivery" is not limited to any specific application. Although the invention was designed for use in situations where audio programs are ...
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