74MP3 modeMP3 modeGeneral notes on MP3The music that can be played when yourunit is in MP3 mode is generally copy-right-protected under applicable interna-tional and national laws. In severalcountries, the reproduction of copyright-ed material is not permitted, even if onlyfor personal use, without the express pri-or consent of the copyright holder.Please check the current copyright lawsfor your country and comply with them.These restrictions naturally do not applyto your own compositions and record-ings, or for recordings for which author-isation has been obtained from thecopyright holder.Creating an MP3/WMAstorage medium• The maximum number of tracks permedium depends on the number offolders and file name length. Here, fora full file name length, it can be as-sumed that for 0 folders about 240tracks and for, e.g., 50 folders a totalof around 160 tracks are possible.• Only MP3 and WMA tracks stored ona CD in compliance with ISO 9660can be played.• If the artist’s name and track title areto be displayed, an ID3 tag must beadded to the MP3 file. This unit sup-ports versions ID3v1 and ID3v2.• The display of artist’s name and tracktitle is restricted to a total maximumlength of 24 characters.• The MP3 formats MPEG1, MPEG2and MPEG2.5 Layer3 are supportedby the unit.Fixed and variable bit rates of 8 -320 kbit/s and scan rates of 8 - 48 kHzare supported. For creating MP3 files,we recommend using the MP3 encod-er from Fraunhofer.For WMA, WMA 9 with a bit rate of64 - 320 kbit/s is supported. For creat-ing WMA, we recommend using Win-dows Media Player Version 9 fromMicrosoft ® .• We recommend a bit rate of at least160 kbit/s for compressing MP3 files.It should be noted that with MP3 fileshaving a variable bit rate, the displayof the elapsed playing time may devi-ate from real time.• If both MP3/WMA data and conven-tional audio tracks are included on theCD it is usually referred to as a mixed-mode CD. On this kind of CD the au-dio tracks are generally located in thefirst directory on the CD.