H - Electricity – 04 – R
Patent
H - Electricity
04
R
179/2, 179/41
H04R 3/00 (2006.01) H03G 7/00 (2006.01) H03G 9/02 (2006.01) H04R 25/00 (2006.01)
Patent
CA 1061255
ABSTRACT OF THE DISCLOSURE This invention relates to real time control either in compression or expansion of the amplitude of electrical waves and more specifically to a real time expander or compressor of the amplitude of sound waves. In general a source of waves which may be the electrical equivalent of a sound including continuous discourse is applied to a plurality of first filters whose output is connected to respective power circuits. A power circuit produces at its output a wave whose amplitude is a power, either greater or less than one, of the amplitude of the wave applied to its input. The outputs of the power circuits are applied to respective second filters which are similar to the filters connected to the input of the power circuits and the output of the second filters is connected to a utilization device. Amplifiers may be connected where needed. The electrical wave applied to the utilization device is a real time compressed or expanded version of the wave applied to the first filters depending on whether the power is less than or greater than one, since the compression or expansion takes place in the power circuits and there is no delay in them.
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