Pioneer P4800MP operation manual About folders and MP3/WMA/WAV files, Terms

MAN-DEH-P4800MP-GB.fm Page 33 Thursday, September 29, 2005 11:55 AM

Additional Information

WAV additional information

•This unit plays back WAV files encoded in Linear PCM (LPCM) format or MS ADPCM format.

•You can only play back WAV files in the frequencies 16 kHz, 22.05 kHz, 24 kHz, 32 kHz, 44.1 kHz and 48 kHz (LPCM), or 22.05 kHz and 44.1 kHz (MS ADPCM). The sampling frequency shown in the display may be rounded.

•The sound quality of WAV files generally becomes better with a larger number of quantization bits. This unit can play recordings with 8 and 16 (LPCM) or 4 (MS ADPCM) quantization bits, but in order to be able to enjoy sound of a certain quality, we recommend using discs recorded with the larger number of quantization bits.

About folders and MP3/WMA/WAV files

•An outline of a CD-ROM with MP3/

WMA/WAV files on it is shown below. Subfolders are shown as folders in the folder currently selected.

Notes

• This unit assigns folder numbers. The user cannot assign folder numbers.

• It is not possible to check folders that do not include MP3/WMA/WAV files. (These folders will be skipped without displaying the folder number.)

• MP3/WMA/WAV files in up to 8 tiers of folders can be played back. However, there is a delay in the start of playback on discs with numerous tiers. For this reason we recommend creating discs with no more than 2 tiers.

• It is possible to play back up to 99 folders on one disc.

￿First level

￿ Second level ￿ Third level

Terms

Bit rate

This expresses data volume per second, or bps (bits per second) units. The higher the rate, the more information is available to reproduce the sound. Using the same encoding method (such as MP3), the higher the rate, the better the sound.

ID3 tag

This is a method of embedding track-related information in an MP3 file. This embedded information can include the track title, the artist’s name, the album title, the music genre, the year of production, comments and other data. The contents can be freely edited using software with ID3 Tag editing functions. Although the tags are restricted as to the number of characters, the information can be viewed when the track is played back.

ISO9660 format

This is the international standard for the format logic of CD-ROM folders and files. For the ISO9660 format, there are regulations for the following two levels.

Level 1:

The file name is in 8.3 format (the name consists of up to 8 characters, half-byte English capital letters and half-byte numerals and the “_” sign, with a file-extension of three characters).

Level 2:

The file name can have up to 31 characters (including the separation mark “.” and a file extension). Each folder contains less than 8 hierarchies.

Extended formats

Joliet: File names can have up to 64 characters.

Romeo: File names can have up to 128 characters.

Linear PCM (LPCM)/Pulse code modulation

This stands for linear pulse code modulation, which is the signal recording system used for music CDs and DVDs.

m3u

Playlists created using the “WINAMP” software have a playlist file extension (.m3u).

ENGLISH

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