FIELD: engineering of devices for processing signals of sound frequency, possible use for altering shape of spectrum of source signal depending on volume level of reproduction, possible utilization as block for precision tone compensation in house appliance sound-reproducing complexes of classes Hi - Fi.
SUBSTANCE: in psycho-acoustic processor, containing n-band controllable timbre-block and n-channel control block, controlling output of control block is connected to control input of controllable timbre-block, input and output of which are respectively input and output of processor, and additionally contained are block for selecting acoustic isoglottic line and device for measuring sound volume level, output of which is connected to information input of control block, volume level indicator is utilized for measuring volume level of sound signal of sound reproducing route, composition of which includes psycho-acoustic processor.
EFFECT: automatic alternation of shape of spectrum of output signal depending on volume level of its reproduction by taking shape of acoustic isoglottic line, appropriate for current volume, into consideration.
2 cl, 3 dwg
