Lesson of Audio-ism

The function of a ripping software is mainly focusing on extract tracks from a CD to your computer harddrive.

Here is a free ripping software which supports

Microsoft Windows: http://www.nch.com.au/rip/index.html ;

Machintosh apple : http://sbooth.org/Max/.


An audio codec is a computer program that compresses/decompresses digital audio data according to a given audio file format or streaming audio format.

Free Open Source : Audacity

The quality of sound usually refers to bit-rate. Bit rate is the number of bits that are conveyed or processed per unit of time; As higher the bit rate is, the quality will be better, but the size increase rapidly too. The bit rate on a CD is usually 128 kbbs.

Let’s talk about different kinds of format of audio files

mp3: ( mpeg 1 audio layer 3) is the most common format for user to listen to their music, podcasting. It is an universal format for the computer platform and media software to play.

wav: (wave) is a pure sound first introduced by IBM.  Compressed wav is really small, It only contains a pure and simple soundwave, and it usually cannot have a high bit rate

aiff: (Audio Interchange File Format ) is a sound format developed by Apple Computers Inc. , It’s function acts like a mp3 and stores sound data

aac: (Advanced Audio Coding) is an audio file format standard used for storing sound data on mac. Orginally It only supports quicktimes and iTunes, but right now most of the players can play this.


please do not confuse a audio cd and a data cd.A data CD is a Cd with a data form. It doesn’t change anything; a Audio Cd will change its orginally format from .mp3/.wma/.aac to .cda ( a unique format which can read by CD player which doesn’t data CD)

Below are some of the procedures which I prepared for you to burn a CD

First of all, we can burn a data Cd with audio file without any software.

Open ” my computer”> open your “cd/dvd burner D:\”> drop your music file to this windows> select ” creat a data cd”>  a window will pop out and assist you for the rest of the process.



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April 2007
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