Patent Translate Powered by EPO and Google Notice This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate, complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or financial decisions, should not be based on machine-translation output. DESCRIPTION JPS60193776 [0001] Brief description of the drawings [0002] FIG. 1 is a view showing a conventional sound field correction apparatus, FIG. 2 is a view showing a sound field in which a reflected sound is generated, FIG. 3 is a view showing an embodiment of the present invention, and FIG. It is a figure which shows an example of a variable low pass filter. Explanation of symbols of major parts, 1: delay element, 2: level adjuster, 3: phase inverter, 4: mix circuit, 5: input terminal, 6: output terminal , 7: speaker, 8: playback device, 9: wall, 10: listening point, 11.12: path, 13: LPF, 14: variable resistance, 15: .. Capacitors. 07-05-2019 1
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