METHOD AND DEVICE FOR CONTROLLING SOUND REPRODUCTION VOLUME Russian patent published in 2003 - IPC

FIELD: radio electronics; sound reproducing equipment. SUBSTANCE: upper and lower levels of volume are preset in advance; during sound reproduction volume control volume is set to lower preset level in presence of human voices and in absence of such voices volume is set to upper level. In addition analyzing and control unit incorporated in sound-reproduction volume control system is designed for generating control signal across its output which ensures volume reduction in sound-reproduction unit in compliance with first preset function of time to lower preset level in case human voices are detected and in compliance with second preset function of time to upper preset level in absence of any signs of human voices. EFFECT: enlarged functional capabilities. 21 cl, 10 dwg