Soundmax SM-CDM1041 Manuel d'utilisateur télécharger pdf (Page 25)

MP3 overview

Notes on MP3

- MP3 is short for MPEG Audio Layer 3 and refers to an audio compression technology standard.

- This product allows playback of MP3 files on CD-ROM, CD-R or CD-RW discs.

- The unit can read MP3 files written in the format compliant with ISO 9660. However it does not

support the MP3 data written by the method of packet write.

- The unit can not read an MP3 file that has a file extension other than “.mp3”.

- If you play a non- MP3 file that has the “.mp3” extension, you may hear some noise.

- In this manual, we refer to what are called “MP3 file” and “folder” in PC terminology as “track”

and “album”, respectively.

- Maximum number of directory level is 8, including the root directory. Maximum number of files

and folders per disc is 256.

- The unit may not play tracks in the order of Track numbers.

- The unit plays only the audio tracks if a disc contains both audio tracks and MP3 files.

- When playing a disc of 8 kbps or “VBR”, the elapsed playing time in the display window will not

be correct and also the intro play may not function properly. “VBR”: Variable Bit Rate.

Notes on creating your own CD-Rs or CD-RWs containing MP3 files

- To enjoy high quality sound, we recommend converting to MP3 files with a sampling frequency

of 44.1 kHz and a fixed bit rate o f 128 kbps.

- DO NOT store more than 256 MP3 files per disc.

- For ISO 9660 - compliant format, the maximum allowable depth of nested folders is 8, including

the root directory (folder).

- When CD-R disc is used, playback is possible only for discs, which have been finalized.

- Make sure that when MP3 CD-R or CD-RW is burned that it is formatted as a data disc and NOT

as an audio disc. You should not write non-MP3 files or unneeded folders along with MP3 files on

the disc otherwise it takes a long time until the unit starts to play MP3 files.

- With some CD-R or CD-RW media, data may not be properly written depending on their

manufacturing quality. In this case, data may not be reproduced correctly. High quality CD-R or

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Soundmax SM-CDM1041 Manuel d'utilisateur Page 25