. , , (- ). "-" "" , " ". , SACD, - , , . , 1 / 5,6 " " ( ), "" "" ( ), , "" , . "" , , , , . , , , "" "" , . , , "" - , , , . , , , ( ), - , , , "" () . - () , "" , . "", , "" - . , "" , : "1" "0". - () - (SDM), , 2 007 KORG. : DSDIFF, DSF, WSD - (SDM), - : Pulse Density Modulation (PDM), , - Pulse-width modulation (PWM), ( ). - (SDM), - (PWM), (SDM), - (PDM), ( - ). , - , - , "" , ( 100 .), -.