Digital Signal Processing Questions & Answers

Digital Signal Processing Questions & Answers - CORRECT ANSWER - if we increase the resolution to 21 steps the signal looks more like - CORRECT ANSWER - it is important to make sure there is no_content present in the analog signal above the nyquist frequency -1/2, 1/2 - CORRECT ANSWER - quantization range varies from _____ to ____ amplitude steps +or-1/2 - CORRECT ANSWER - the continuous analog signal is always within ____ of its true value 1,000 - CORRECT ANSWER - the storage capacity of a magnetic stripe on a credit cars is about.... 1) never perfect copies of analogue signal 2) speed and cost can be factors - CORRECT ANSWER - name two disadvantages of digital signals 1) sampling rate 2) Quantization level or bit rate - CORRECT ANSWER - what are the two factors that determine how accurately a digital signal represents the OG analog 192000 - CORRECT ANSWER - what Hz is used in HD-DVD and Blu-ray Disc audio tracks 2 - CORRECT ANSWER - how many values can a bit represent 2 - CORRECT ANSWER - the discrete values available is a power of... 30,000,000 bits - CORRECT ANSWER - a 3 minute song is about.... 44100 - CORRECT ANSWER - what Hz in CDs & MP3 audio files 48000 - CORRECT ANSWER - why Hz is used in professional digital equipment ADC A/D A to D - CORRECT ANSWER - name the three ways to also represent analog to digital conversion aliasing - CORRECT ANSWER - misidentification of a signal frequency, introducing distortion or error. This causes different signals to become indistinguishable from each other during sampling aliasing - CORRECT ANSWER - not following the nyquist theorem leads to... analog - CORRECT ANSWER - ____ signals are continuous in time