The goal of an audio codec is

to make an audio file that sounds good and is as small as possible for use with certain applications.

to make an audio file with the highest amplitude while making sure the decibels are not degraded.

to preserve the original sound quality regardless of conversions that affect sampling rate.

to upload audio files from your computer to your mobile devices.

to make an audio file that sounds good and is as small as possible for use with certain applications.

Explanation:

An audio codec is a component used to compress an an audio stream such as a speech,music content or stage performance and convert it into a digital format for storage and transmission. There are several different kinds of audio codecs that are available based on their compression characteristics and encoding profile.Ideally it is required to preserve the audio quality while reducing the size of the generated file.

assuming you are in the home page.

1) go to the upper right hand corner

2) click on your "profile picture"

3) go down to "edit profile"

4) it should be titled as "edit your profile", click on "profile picture"

5) choose a file

6) press "change"

you're profile picture is updated

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