Yamaha CD S2000 Owner's Manual - Page 20
About MP3 and WMA discs, Handling compact discs, WMA Windows Media Audio is a Microsoft file format
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Playable disc format ■ About MP3 and WMA discs You can play back MP3 and WMA files recorded on a CD-R or CD-RW with similar uses as a music CD. MP3 MP3 (MPEG-1 Audio Layer-3) is a standard technology and format for compressing an audio sequence into a small-sized file. However, the original level of sound quality is preserved during playback. Notes • This unit plays back MP3 files in alphanumeric order. • Up to 648 folders and files (combined) and up to 299 folders are recognized; however, some folders and files may not be recognized depending on their directory structure. • Depending on recording conditions such as recording software settings, this unit may not be able to play back the disc or files in the order they were recorded. • This unit is compatible with a sampling frequency of 44.1 kHz. • This unit is compatible with a bitrate of 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, or 320 kbps. Variable bitrate is not supported. • The disc must be ISO9660 compatible. • The text data contained in the files are not displayed on this unit. WMA WMA (Windows Media Audio) is a Microsoft file format for encoding digital audio files similar to MP3 although WMA can compress files at a higher rate than MP3. Notes • This unit plays back WMA files in alphanumeric order. • Up to 648 folders and files (combined) and up to 299 folders are recognized; however, some folders and files may not be recognized depending on their directory structure. • This unit is compatible with a sampling frequency of 44.1 kHz. • This unit is compatible with a bitrate of 48, 64, 80, 96, 128, 160, or 192 kbps. Variable bitrate is not supported. • The disc must be ISO9660 compatible. • Copyright-protected WMA files cannot be played back with this unit. • The text data contained in the files are not displayed on this unit. ■ Handling compact discs • Always handle a disc with care so that its surface is not scratched. • Compact discs are rarely worn out during playback, but damage to the disc surface when the disc is being handled can adversely affect the disc playback. • Be sure to use a felt-tip pen or similar writing tool when writing on the label side of a disc. Do not use a ball-point pen, pencil, or other hard-tipped writing tools as these may damage the disc and may adversely affect the disc playback. • Do not warp discs. • When a disc is not currently being used, remove it from this unit and store it in an appropriate case. • When removing or storing a disc, be careful not to scratch the playing surface. • Compact discs are not affected by small particles of dust or fingerprints on their playing surface, but even so they must be kept clean. Wipe the disc surface with a clean, cry cloth. Do not wipe the disc surface with a circular motion; wipe it straight outward from the center. • Do not try to clean the disc surface with any type of disc cleaner, record spray, anti-static spray or liquid, or any other chemical-based liquid as such substances may irreparably damage the disc surface. • Do not expose discs to direct sunlight, high temperature, or high humidity for a long period of time as these conditions may warp or otherwise damage the disc. 20 En • To play back an 8-cm (3-inch) compact disc, place it in the inner recessed area of the disc tray. Do not put a normal 12-cm CD on top of an 8-cm CD.