New era in digital music

Era always develop, and also about technology. You can see now, everything have changed. From people style, like hair, dresses, home design and certainly the technology, like mobile phone which can see another people in long place, or camera which can take picture with long distance without need you approach to the objects directly, you only need the zoom lens. Even about music, for a long time ago people listen to the music through gramophone, they used black plate. At that era this tool is analogue music. This tool used pen which can tremble and bring out side sounds. This sound called analogue music.

For the second era, the technologies bring out side compact audio cassette which plays in tape or Walkman. This type is analogue music too. And for the next generation technology bring out side new era in digital music. Digital music work based on computer technology. With digital form, we can save much data.  The beginning sound is analogue, but the sound will changed with analogue to digital converter (ADC) to be digital music. Digital form have many type, there are MP3 form, WAV form, MIDI form, or AAC. The most popular form is MP3 and AAC or Advanced Audio Coding is form of digital music which use on IPod.