What is an audio codec?
a.
a computer program that removes high-frequency sounds from audio files
b.
a computer program that decompresses digital audio files
c.
a computer program that saves a digital audio file as a specific audio file format
d.
a computer program that stores audio data on a computer

B.  A computer program that decompresses digital audio files

Explanation:

As we know that, the storage capacity on computers is serious issue, it is the key requirement of the computer users.  Audio and video covers a lot of space on computer memory. To reduce the usage of the memory different compression algorithms used.

Audio codec is the computer software that is used to compress or decompress the digital signal into audio signal. It is used to minimize the size of the storage to easily manage the storage space or transmit over the internet.

For Example

AAC and MP3 are the example of audio codec.

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