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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