Level control circuit for low and medium sound
Linearized filter band equipment and processes
Loudness control circuit
Loudness volume control system
Loudspeaker apparatus for radiating acoustic waves in a...
Loudspeaker crossover filter
Loudspeaker frequency distribution and adjusting circuit
Loudspeaker reproduction apparatus in vehicle
Loudspeaker structure and system
Loudspeaker system
Loudspeaker system utilizing an equalizer circuit
Loudspeaker system with combination crossover and equalizer
Loudspeaker-dependent audio compression
Low frequency audio conversion circuit
Low frequency audio conversion circuit
Low frequency compensating circuit for audio signals