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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).
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