In an MP3 file, which parameter describes the number of samples of audio data in a single second?
A) kilohertz
B) bit depth
C) bit rate
D) channels
The answer: A) kilohertz
A hertz is a measurement of the number of cycles that occur in a single second, so a kilohertz is one thousand cycles. An MP3 file that has stored data at 44.1 kHz is 44,100 samples per second.
 |
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. |