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.
What is the diadochokinetic rate? The diadochokinetic (DDK) rate is a measurement that speech-language pathologists (SLPs) can make. These professionals help people with communication problems. They can use the DDK rate to assess, diagnose, and treat speech and language problems. The DDK rate is also known as the âFletcher time-by-count test of diadochokinetic syllable rate.â.