Digital Signal Processing Fundamentals Questions & Answers

Digital Signal Processing Fundamentals Questions & Answers Amplitude Discrimination - CORRECT ANSWER - Ability to distinguish changes in amplitude Amplitude Range - CORRECT ANSWER - Difference between loudest and weakest detectable sounds Bloch's Law - CORRECT ANSWER - Light flashes of different duration but same energy Brightness vs Luminance - CORRECT ANSWER - Perceived brightness depends on luminance at surrounding points Coding - CORRECT ANSWER - Process of encoding information for transmission or storage Color Perception - CORRECT ANSWER - Ability to perceive different colors Common Signals - CORRECT ANSWER - Examples: x(t) = Asin(wt), step(t), ramp(t), rect(t), tri(t) Cone Cells - CORRECT ANSWER - Responsible for vision in high illumination Convolution - CORRECT ANSWER - Output of an LTI system is input convolved with impulse response Critical Fusion Frequency - CORRECT ANSWER - Rate at which a flashing light appears steady Delta Function - CORRECT ANSWER - Output of the system when the input is a delta function Digital Signal - CORRECT ANSWER - Easy to store and process with digital computers