Quantization refers - Study guides, Class notes & Summaries

which of the following is an analog signal? - ANSWER-speech sounds in air musical tones in air displacement of the middle ear bones all of the above an analog signal - ANSWER-is continuous in amplitude is continuous in time a table of numbers could fully represent - ANSWER-a digital signal you cannot listen to digital sound via digital headphones - ANSWER-because the sound is really generated by analog loudspeakers quantization refers to - ANSWER-the assignment of an analog val...

1. Digital data is _____ and analog information is _____. A. continuous; discrete B. discrete; continuous correct answers B 2. Digitization means converting _____ into _____. correct answers Analog information, Digital Data 3. Converting from analog to digital involves a two-step process: _____ and _____. correct answers Sampling and Quantization 4. When analog information is converted to digital data, we must consider two properties that affect the exactness of the digital represen...

HESI EXIT EXAM STUDY VERIFIED QUESTIONS AND ANSWERS 2023 LATEST UPDATE GRADED A A radiographer prepares to perform an AP projection of the distal femur on a patient with a suspected femoral fracture. Which represents the best approach for positioning both the patient and the x-ray tube? A. Rotate the leg 15 degrees medially; place the cathode end of the tube toward the foot. B. Rotate the leg 15 degrees medially; place the anode end of the tube toward the foot. C. Do not rotate the l...

a typical range of variation for fundamental frequency (F0) during reading passages would be about - 3 semitones the inverse square law means that - intensity decreases by a factor equal to the square of the change in distance Multiple vertical lines is a - harmonic series A single vertical line on a line spectrum would represent - a sine wave a low pass filter - blocks high frequencies low frequencies are pass through what type of filter? - low pass filter we say that science is parsimo...

A sound with higher _____ is perceived to have a higher pitch → frequency Amplitude is measured in _________. → decibels Frequency is measured in _____. → hertz In digital audio, the number of sample points taken per second is called the _____. → sampling rate How many levels of amplitude values does an 8-bit sound allow? → 256 According to Nyquist's theorem, the sampling rate of the audio must be at least _____ of the audio frequency. → double Reducing the number of...

COMD 5070 final prep Study Guide As sound travels through air, it does so as a - Answer️️ -longitudinal pressure wave The period of a sine wave - Answer️️ -is shorter for higher frequency sounds Pressure can de defined as - Answer️️ -force divided by area Intensity can be defined as - Answer️️ -power per unit area The inverse square law means that - Answer️️ -intensity decreases by a factor equal to the square of the change in distance Based on the equal loudness curve...

COMD 5070- Exam 1- Quiz (cont. from week 1) with verified test. Which of the following is an analog signal? - correct answers.-Speech sounds in air -Musical tones in air -Displacement of the middle ear bones *All of the above An analog signal (e.g. from a microphone)... - correct answers.-is continuous in AMPLITUDE -is continuous in TIME A table full of numbers could fully represent.... - correct answers.A digital sound You cannot listen to digital sound via...

What is the television broadcast standard for the United States and Japan? correct answers NTSC - National Television System Committee What is the television broadcast standard for most of the Asian countries? correct answers PAL - Phase Alternating Line What is the most common color model for video? correct answers luminance-chrominance In the YUV color model, the Y-component is ______, the U-component is ______, and the V-component is ______. correct answers luminance; chrominance; lu...

ComD 5070 1.3 Exam Study Guide with Complete Solutions X and Y axis of a spectrogram - Answer️️ -time, frequency X and Y axis of a spectrum - Answer️️ -frequency, amplitude A single vertical line on a line spectrum would represent - Answer️️ -a sine wave Multiple vertical lines is a - Answer️️ -harmonic series a low pass filter - Answer️️ -blocks high frequencies low frequencies are pass through what type of filter? - Answer️️ -low pass filter we say that scienc...

ASU IFT 372 Fall 2023 Helm Weeks 1-7 Quizzes + Midterm Multisource with complete solution What is a logarithm? Correct answer: A logarithm is an exponent based mathematical representation of a numerical value. What logarithmic base is used in digital communications? Correct answer: Two How do you find a log2 value on a calculator that only has log10 functionality? (Hint: what is the formula?) Correct answer: log2(a) = [log10(a) / log10(2)] What is the definition of a decibel? Correct ...