Yamaha dvd-s657 Manual Do Utilizador

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Analog:   Sound that has not been turned into 
numbers. Analog sound varies, while digital 
sound has specific numerical values. These jacks 
send audio through two channels, the left and 
right.

Aspect ratio:  The ratio of vertical and hori-
zontal sizes of a displayed image. The horizontal 
vs. vertical ratio of conventional TVs. is 4:3, and 
that of widescreens is 16:9.

AUDIO OUT Jacks: Jacks on the back of the 
DVD System that send audio to another system 
(TV, Stereo, etc.).

Bit Rate: The amount of data used to hold a 
given length of music; measured in kilobits per 
seconds, or kbps. Or, the speed at which you 
record. Generally, the higher the bit rate, or the 
higher the recording speed, the better the sound 
quality. However, higher bit rates use more space 
on a Disc.

Chapter: Sections of a picture or a music piece 
on a DVD that are smaller than titles. A title is 
composed of several chapters. Each chapter is 
assigned a chapter number enabling you to locate 
the chapter you want.

Component Video Out Jacks: Jacks on the 
back of the DVD System that send high-quality 
video to a TV that has Component Video In jacks 
(R/G/B, Y/Pb/Pr,  etc.).

Disc menu: A screen display prepared for 
allowing selection of images, sounds, subtitles, 
multi-angles, etc. recorded on a DVD.

Digital: Sound that has been converted into 
numerical values. Digital sound is available when 
you use the DIGITAL AUDIO OUT COAXIAL 
or OPTICAL jacks. These jacks send audio 
through multiple channels, instead of just two 
channels as analog does.

DivX 3.11/4x/5x: The DivX code is a patent 
pending, MPEG-4 based video compression tech-
nology, developed by DivXNetworks, Inc., that 
can shrink digital video to sizes small enough to 
be transported over the internet, while maintain-
ing high visual quality.

Dolby Digital: A surround sound system devel-
oped by Dolby Laboratories containing up to six 
channels of digital audio (front left and right, sur-
round left and right, center and subwoofer).

DTS: Digital Theatre Systems. This is a surround 
sound system, but it is different from Dolby Digi-
tal. The formats were developed by different 
companies.

JPEG: A very common digital still picture for-
mat. A still-picture data compression system pro-
posed by the Joint Photographic Expert Group, 
which features small decrease in image quality in 
spite of its high compression ratio.

MP3: A file format with a sound data compres-
sion system. “MP3” is the abbreviation of Motion 
Picture Experts Group 1 (or MPEG-1) Audio 
Layer 3. By using MP3 format, one CD-R or CD-
RW can contain about 10 times as much data 
volume as a regular CD can.

Multichannel: DVD is specified to have each 
sound track constitute one sound field. Multi-
channel refers to a structure of sound tracks 
having three or more channels.

Parental Control: A function of the DVD to 
limit playback of the disc by the age of the users 
according to the limitation level in each country. 
The limitation varies from disc to disc; when it is 
activated, playback will be prohibited if the soft-
ware’s level is higher than the user-set level.

PCM (Pulse Code Modulation): A system for 
converting analog sound signal to digital signal for 
later processing, with no data compression used 
in conversion.

Playback control (PBC): Refers to the signal 
recorded on video CDs or SVCDs for control-
ling reproduction. By using menu screens 
recorded on a Video CD or SVCD that supports 
PBC, you can enjoy interactive-type software as 
well as software having a search function.

Play list: A list of selected titles to be played 
back in a specific order. This option is only avail-
able with VR format and must be created before-
hand.