Some hearing milestones your child should reach in the first year of life: 1  Most newborn infants startle or jump to sudden loud noises. 2  By 3 months, a baby usually recognizes a parent's voice. 3  By 6 months, a baby can usually turn his or her eyes or head toward a sound.
(December 2008). Direct digital control (DDC) is the automated control of a condition or process by a digital device (computer). DDC is considered by many to be a more modern, granular and responsive update to older HVAC control systems based upon PLC technologies.
Digital Diesel Electronics (DDE). Fine tuning for fuel injection-the Digital Diesel Electronics (DDE) system manages all engine functions in BMW diesel models.This saves fuel, ensures you enjoy smooth, cultivated performance and helps reduce exhaust emissions, thereby minimising your BMWâs impact on the environment.Common rail fuel injection in BMW diesel engines combines greater fuel efficiency, lower emissions, improved engine sound and significantly smoother running.igital Diesel Electronics (DDE). Fine tuning for fuel injection-the Digital Diesel Electronics (DDE) system manages all engine functions in BMW diesel models.