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Audio signal processing: Quiz


Question 1: Audio broadcasting (be it for ________ or audio broadcasting) is perhaps the biggest market segment (and user area) for audio processing products—globally.
TelevisionVideoMechanical televisionClosed captioning

Question 2: This permits signal processing using digital circuits such as microprocessors and ________.
LinuxCentral processing unitComputerPersonal computer

Question 3: Electronically, these functions are performed by an ________.
Pulse-code modulationAnalog-to-digital converterNyquist–Shannon sampling theoremDigital-to-analog converter

Question 4: compensate for non-linear transmitters, more common with ________ and shortwave broadcasting
FM broadcastingL bandLongwaveMedium wave

Question 5: As audio signals may be electronically represented in either ________ or analog format, signal processing may occur in either domain.
Integrated circuitDigitalDigital audioDigital electronics

Question 6: Audio signal processing, sometimes referred to as audio processing, is the intentional alteration of auditory signals, or ________.
Sound pressureParticle velocityFrequencySound

Question 7: As the ________ of an audio signal is, by definition, limited by noise, the resolution need only be high enough to capture signals above the noise floor.
DecibelDynamic rangeSignal-to-noise ratioAudio system measurements

Question 8: Human hearing extends from approximately 20 Hz to 20 kHz, determined both by physiology of the ________ hearing system and by human psychology.
MindHomoHumanHuman evolution

Question 9: The bit resolution used during the quantization process determines the minimum voltage that can be digitally represented, and thus the digital signal's ________.
Dynamic rangeAudio system measurementsDecibelSignal-to-noise ratio

Question 10: These properties are analysed within the field of ________.
Code excited linear predictionAudio compression (data)Data compressionPsychoacoustics


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