MP3 Mpeg Layer Audio
3 - added 2/10/2000
My
first experience with mp3s was back in 1996 or 97, sometime
then. Back then it wasn't popular, if at all, no one knew
about it, there weren't any easy to use rippers or encoders,
all of them were console based. Winamp however was already
released then. Today mp3 is the buzzword among all Internet
users and music lovers. Just by typing mp3 at any search
engine alone would yield thousands of search results.
This page is about mp3s, and what is an mp3, in layman terms,
and what I know about mp3s.
What
is it
An mp3 is a highly compressed audio
file. It is a lossy codec, which means audio quality is
lost from the original sound. It still sounds good though,
because the high frequencies of the audio which we cannot
hear, are removed. Typically a CD quality mp3 would be 128kbps.
Compared to a typical wave file, an mp3 occupies 11 times
less space. That is, a 4 minute CD quality wave file would
occupy 44 megabytes, and the same mp3 file would occupy
only 4 megabytes. You can understand why it's so popular.
An average mp3 can be downloaded from the net under 15 minutes
with a standard modem connection.
Mps require a lot of processing power, typically only Pentium
100s and above, because the audio is decoded real time.
An mp3 player does that. You can find out how much resources
an mp3 player consumes just to play an mp3 by going to the
Performance tab of System Resources under Control Panel.
Compare the percentage of resources before, and while you
play an mp3.
Making
an mp3 You can create your own
mp3s in two ways, by using an mp3 ripper, such as MusicMatch
jukebox or by making it yourself. Using an mp3 ripper is
easier, all you have to do is startup the software, pick
a cd track to rip, select a few options and you're ready
to go. Using the traditional method though, one would first
have to convert the audio to a .WAV file, and then encoding
the wave audio stream to an mp3.
Creating
a music cd You can create your
own customized music cd if you have a cd writer. How do
you do that? Again you can use either MusicMatch
jukebox, which is the easiest to use in my opinion, which
does all the decoding of mp3s for you. The traditional method
would be to convert the mp3s to .WAV files. For example
Winamp has an output waveOut plug in which writes the mp3
to disk in .WAV format instead of playing it through the
speakers. Once the wave files are created, you can then
pass them through a CD recording software to create the
audio cd.
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