Digital Signal Processing Questions & Answers

Digital Signal Processing Questions & Answers 1 bit contains 2 possible values of - CORRECT ANSWER - 0 and 1 (2^1) A 4-bit system (2^4) has how many values? - CORRECT ANSWER - 16 values A location of maximum reduction in sensitivity? - CORRECT ANSWER - Null Point A low-level inaudible noise that occurs as a result of the quantization process - CORRECT ANSWER - Quantization Noise A specific change in input does not equal the same amount of change to output past the kneepoint - CORRECT ANSWER - nonlinear A technique used to account for this difference in spectral energy and increase the level of highfrequency signal transmission? - CORRECT ANSWER - Pre-emphasis A type of microphone that allows input from all directions? - CORRECT ANSWER - omnidirectional microphone Accuracy in capturing amplitude of the signal is know as? - CORRECT ANSWER - Amplitude Quantization (aka amplitude resolution) Amplitude value can be assigned a value of - CORRECT ANSWER - 01 or 10 An 8-bit had less errors than a 16-bit (T/F) - CORRECT ANSWER - false Another name for a "discrete signal" is - CORRECT ANSWER - digital signal Anti-aliasing is used to overcome what effect? - CORRECT ANSWER - any output above the Nyquist frequency introduces distortion Any change in input leads to an equal change in output - CORRECT ANSWER - Linear Any output above the Nyquist frequency introduces - CORRECT ANSWER - distortion As bit depth increases, the number of potential values what? - CORRECT ANSWER - increase exponentially As frequency resolution improves, temporal resolution __________? - CORRECT ANSWER - decreases (and vice versa) At least ________ samples per cycle are required to avoid aliasing distortion? - CORRECT ANSWER - two