DYNAMIC-COMPANDING DEVICE FOR NOISE REDUCTION

摘要

FIELD: multichannel tape recorders. SUBSTANCE: device provides combination of dynamic and companding noise reduction in single device with possibility to change signal envelope in given way. Dynamic noise clipping unit is inserted before expander. This results in possibility to decrease noise level in pauses by approximately 15 dB. EFFECT: increased noise reduction. 3 dwg øøø1