Signal separator
Signal strength adapter circuit
Simultaneous two-way communication apparatus using ear...
Softclip method and apparatus
Sound apparatus, method of changing sound characteristics,...
Sound apparatus, method of changing sound characteristics,...
Sound leveling system using output slope control
Sound or voice responsive timepiece
Sound processing apparatus
Sound processing apparatus and method with fading effect
Sound signal output circuit and method
Sound system gain and equalization circuit
Sound system with rate controlled, variable attenuation
Sound volume controllable communication apparatus
Sound volume controlling apparatus
Speaker driving circuit
Speaker system
Speaker volume control apparatus and method
Speech processing system including an amplitude level control ci
Stable sound synthesizing circuit