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Worksheets82. Data_Rep - Sound Representation in Computer Systems Quiz
Total questions: 1
Worksheet time: 7mins
What is the process called to convert an analogue signal into a digital binary one?
Analog to Binary Conversion
Binary to Analog Conversion
Digital to Analog Conversion
Analog to Digital Conversion
What are the two main factors that affect the quality of a digitally converted sound wave?
Bit Rate and Frequency
Amplitude and Wavelength
Pitch and Volume
Sample Rate and Sample Resolution
What is the sample rate for a music CD?
44100 Hertz
88200 Hertz
176400 Hertz
22050 Hertz
What does sample resolution refer to in a digital waveform?
Number of bits stored with each sample
Number of samples recorded per second
Number of amplitudes represented in the waveform
Number of bytes in the sound file
What is the formula to calculate the file size of a sound sample?
Number of samples per second * Sample Resolution * Length of the sample in seconds
Sample Resolution * Sample Rate * Length of the sample in seconds
Number of samples per second * Sample Rate * Sample Resolution
Sample Rate * Sample Resolution * Length of the sample in seconds
What is the sample rate for an analog waveform being recorded 6 times a second with a duration of 3 seconds and a sample resolution of 4 bits?
24 Hertz
18 Hertz
36 Hertz
12 Hertz
What is the total number of bits in a sound file with a sample rate of 8000 Hertz, a sample resolution of 8 bits, and a length of 5 seconds?
80000 bits
40000 bits
20000 bits
2000 bits
What is the maximum number of variations in the difference of sound that can be sampled with a 2-bit sample resolution?
4
2
8
16
What does the sample resolution of 16 bits mean for a CD?
Every sample is stored in 16 bytes
Every sample can store one of 16 different amplitudes
Every sample can store one of 65,000 different amplitudes
Every sample is recorded 16 times per second
What is the sample rate for a sound file that is 10 seconds long with 8000 samples per second and a sample resolution of 4 bits?
2000 Hertz
4000 Hertz
16000 Hertz
8000 Hertz
