While saving a digital recording, one of the options is to select the bit depth of the recording. What is the bit depth?
A) The number of levels available in a single sample of audio
B) The rate of kilobits in a single second of audio
C) The number of samples in a single second
D) The audio format of the file
The answer: A) The number of levels available in a single sample of audio
The bit depth is usually sized by the number of bits used to store the information. Common audio bit depths are 8-bit, 16-bit, and 24-bit.
The incorrect answers:
B) The rate of kilobits in a single second of audio
The audio bit rates are usually described in kilobits per seconds, and it’s calculated by multiplying the bit rate by the sampling rate by the number of channels.
C) The number of samples in a single second
The sample rate is the number of samples in a single second, and it’s usually presented as thousands of samples per second, such as 44.1 kHz (44,100 samples per second).
D) The audio format of the file
The audio format of the file is given as a name, such as mp3 or wav.
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Want to know more? Watch “Installing, Configuring, and Upgrading Audio.”The use of audio in personal computers has evolved dramatically through the years, and the current assortment of audio hardware devices and software is varied enough to keep even the most knowledgeable technicians guessing. In this video, we’ll show you common audio input and output methods, discuss the details of sample rates, examine the differences between audio bit depths, and perform some audio configurations in Windows XP. |