Adaptive filter
Amplifier having a variable propagation constant
Amplitude compressing/expanding circuit
Calibration oscillators for noise reduction systems
Circuit arrangement for optional dynamic compression or expansio
Circuit arrangements for modifying dynamic range using series an
Circuit arrangements for modifying dynamic range using series ar
Circuit detector and compression-expansion networks utilizing sa
Circuit detector and noise reduction network with circuit detect
Circuit for selectively obtaining automatic dynamic compression
CMOS-compander
Compander
Compander circuit which produces variable pre-emphasis and de-em
Compander for TDM telecommunication system
Compander system
Compander system having limiter in compressor and expander
Compandor apparatus
Compandor noise reduction circuit
Compandor system with stable and widely adjustable unity gain le
Compandor with DC-coupled compressor