Expander circuit with reduced distortion
Fade control circuit for auxiliary amplifier
Fader circuit arrangement in electrical reproducing apparatus an
Fader device
Gain compression amplfier providing a linear compression functio
Gain control method and gain control apparatus for digital audio
Hearing aid with digital compression recapture
Hearing aid with digital compression recapture
High frequency expander device
Hybrid analog and digital amplifier with a delayed step change i
Input level adjusting circuit
Interface between video cassette player and television receiver
Karaoke equipment
Key-actuated volume control
Level adjustment apparatus
Level adjustment apparatus
Level adjustment circuit
Loudness control circuit for selectively emphasizing both high f
Loudness-controlled processing of acoustic signals
Loudspeaker arrangement with frequency dependent amplitude regul