Panasonic CQ-C7303U Operating Instructions Manual

Also see for CQC7103U - CAR AUDIO - MULTI-LANG: Operating instructions Service manual

Panasonic CQ-C7303U Operating Instructions Manual Manual pdf 26 page image

26MP3/WMA PlayerCQ-C7403U/C7303U/C7203U/C7103UWhat is MP3/WMA?MP3 (MPEG Audio Layer-3) and WMA (Windows Media TMAudio) are the compression formats of digital audio. Theformer is developed by MPEG (Motion Picture ExpertsGroup), and the latter is developed by MicrosoftCorporation. Using these compression formats, you canrecord the contents of about 10 music CDs on a singleCD media (This figures refer to data recorded on a 650MB CD-R or CD-RW at a fixed bit rate of 128 kbps and asampling frequency of 44.1 kHz).Note: MP3/WMA encoding and writing software is notsupplied with this unit.Points to remember when making MP3/WMA filesCommon¡ High bit rate and high sampling frequency are recom-mended for high quality sounds.¡ Selecting VBR (Variable Bit Rate) is not recommendedbecause playing time is not displayed properly andsound may be skipped.¡ The playback sound quality differs depending on theencoding circumstances. For details, refer to the usermanual of your own encoding software and writingsoftware.MP3¡ It is recommended to set the bit rate to “128 kbps ormore” and “fixed”.WMA¡ It is recommended to set the bit rate to “64 kbps ormore” and “fixed”.¡ Do not set the copy protect attribute on the WMA fileto enable this unit to play back.Display InformationDisplayed itemsDisplayable characters¡ Displayable length of file name/folder name: within 64characters. (Unicoded file and folder names arereduced by half in the number of displayable charac-ters.)¡ Name files and folders in accordance with the stan-dard of each file system. Refer to the instructions ofwriting software for details.¡ ASCII character set and special characters in each lan-guage can be displayed.ASCII character setA to Z, a to z, digits 0 to 9, and the following sym-bols:(space) ! ” # $ % & ’ ( ) * + , - . / : ; < = > ? @ [ \ ] ˆ_ ` { | } ~Notes:¡ With some software in which MP3/WMA format fileshave been encoded, the character information may notbe displayed properly.¡ Undisplayable characters and symbols will be convert-ed into an asterisk (*).Caution:Never assign the “.mp3”, or “.wma” filename extension to a file that is not in theMP3/WMA format. This may not only pro-duce noise from the speaker damage, butalso damage your hearing.¡ CD-TEXTDisc titleTrack title¡ MP3/WMAFolder nameFile name¡ MP3 (ID3 tag)Album nameTitle name/artist name¡ WMA (WMA tag)Album nameTitle name/artist nameNotes on MP3/WMA