Soundmax SM-CMD3000 User Manual

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 448. 

•  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. 

•  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 448 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 its manufacturing 

quality. In this case, data may not be reproduced correctly. High quality CD-R or CD-RW disc is 
recommended. 

•  Up to 16 characters are displayed for the name of an Album or a Track. ID3TAG version 1.x is required. 

•  Note that the unit may not play Tracks in the order that you wrote them to the disc. 

 

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