Creative Nomad Muvo2 Guide de l'utilisateur télécharger pdf (Page 39)

About Music Files B-1

About Music Files

Overview

You can download music files from Internet music sites, or "rip" music files from

audio CDs to your computer. Music files that you transfer to your player must,

however, be MP3, WMA or WAV files if you want to play them back.

MP3 and WMA files are music files that have lossy compression encoding, which

means that some data is lost during compression. However, using standard

sampling rates and bitrates will ensure that your MP3 files retain much of their

audio quality. The standard bitrate of most MP3 files is 128 Kbps, although some

are set higher, at 160 or 192 Kbps. The standard bitrate for most WMA files is 64

Kbps. Higher bitrates will result in better audio quality, but file sizes will be larger

as a consequence.

Downloading from

the Internet

To get MP3 files from the Internet, use a search engine to locate sites with MP3

content. You can also try out these sites (web sites listed here are correct at the

time of this document’s release):

❑

NOMADWorld (http://www.NOMADworld.com)

❑ AMP3.com (http://www.amp3.com)

❑ SoundClick.com (http://www.soundclick.com)

❑ ArtistOne.com (http://www.artistone.com)

❑ Epitonic.com (http://www.epitonic.com)

❑ Soundbuzz.com (http://www.soundbuzz.com)

Follow the instructions on the sites to download the music files to your computer.

"Ripping" audio

CDs

The first phase of "ripping" is extracting audio data (usually WAV files) from an

audio CD. Encoding is the second phase, where the audio data is converted into

MP3 or WMA files. To "rip" audio CDs, you will need a CD-ROM/DVD-ROM drive

that can extract digital audio data, and a program such as Creative MediaSource

Organizer that can extract and encode this data. With Creative MediaSource

Organizer, you can "rip" most audio CDs, as well as organize and transfer these

"ripped" files.

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Creative Nomad Muvo2 Guide de l'utilisateur Page 39