MULTIMEDIA AND QUALITY OF SERVICE
MULTIMEDIA IN THE INTERNET
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Sampling frequency refers to ____
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The number of colours that can be used in a graphic file
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The number of bits in each sample of an audio file
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The average number of samples obtained in one second in an audio file
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Providing channel selection
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Explanation:
Detailed explanation-1: -The sampling frequency or sampling rate, fs, is the average number of samples obtained in one second, thus fs = 1/T, with the unit samples per second, sometimes referred to as hertz, for example e.g. 48 kHz is 48, 000 samples per second.
Detailed explanation-2: -The sampling rate is the number of audio samples recorded each second. It is measured in Hertz or samples per second. In other words, It refers to the number of times an analogue signal is sampled per second in order to convert it to digital audio.
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