Sharp BD-HP20U User Manual

The BD-ROM format supports Java for interactive functions. 
“BD-J” offers content providers almost unlimited functionality 
when creating interactive BD-ROM titles.

A BD-R (Blu-ray Disc Recordable) is a recordable, write-once 
Blu-ray Disc. Since contents can be recorded and cannot 
be overwritten, a BD-R can be used to archive data or for 
storing and distributing video material.

A BD-RE (Blu-ray Disc Rewritable) is a recordable and 
rewritable Blu-ray Disc.

BD-ROMs (Blu-ray Disc Read-Only Memory) are 
commercially produced discs. Other than conventional movie 
and video contents, these discs have enhanced features 
such as interactive content, menu operations using pop-
up menus, selection of subtitle display, and slide shows. 
Although a BD-ROM may contain any form of data, most 
BD-ROM discs will contain movies in High Defi nition format 
for playback on Blu-ray Disc players.

A disc format developed for recording/playing high-defi nition 
(HD) video (for HDTV, etc.), and for storing large amounts of 
data. A single layer Blu-ray Disc holds up to 25 GB, and a 
dual-layer Blu-ray Disc holds up to 50 GB of data.

Sections of a movie or a music feature that are smaller than 
titles. A title is composed of several chapters. Some discs 
may only be comprised of a single chapter.

This function prevents copying. You cannot copy discs 
marked by the copyright holder with a signal which prevents 
copying.

This lets you select things like the subtitle language or audio 
format using a menu stored on the DVD video disc.

A sound system developed by Dolby Laboratories Inc. that 
gives movie theatre ambience to audio output when the 
product is connected to a Dolby Digital processor or amplifi er.

A sound system developed as an extension to Dolby Digital, 
this audio coding technology supports 5.1 multi-channel 
surround sound.

Dolby TrueHD is a lossless coding technology that supports 
up to 8 channels of multi-channel surround sound for the 
next generation optical discs. The reproduced sound is true 
to the original source bit-for-bit.

This is a digital sound system developed by DTS, Inc. for use 
in cinemas. This system uses 6 audio channels and provides 
accurate sound fi eld positioning and realistic acoustics. (By 
connecting a DTS Digital Surround decoder, you can also 
listen to DTS Digital Surround sound.)

A disc format that contains up to eight hours of moving 
pictures on a disc the same diameter as a CD. A single-layer 
single sided DVD holds up to 4.7 GB; a double layer single-
sided DVD, 8.5 GB; a single layer double-sided DVD, 9.4 
GB; double-layer double-sided DVD, 17 GB. The MPEG 2 
format was adopted for effi cient video data compression. It is 
a variable rate technology that encodes the data to according 
to the status of the video for reproducing high-quality images. 
Audio information is recorded in a multi-channel format such 
as Dolby Digital, allowing for a realistic audio presence.

A DVD+/-R is a recordable, write-once DVD. Since contents 
can be recorded and cannot be overwritten, a DVD+/-R 
can be used to archive data or for storing and distributing 
video material. The DVD+/-R has two different modes: 
VR mode and Video mode. DVDs created in Video mode 
have the same format as a DVD video, while discs created 
in VR (Video Recording) mode allow the contents to be 
programmed or edited.

A DVD+/-RW is a recordable and rewritable DVD. The re-
recordable feature makes editing possible. The DVD+/-RW 
has two different modes: VR mode and Video mode. DVDs 
created in Video mode have the same format as a DVD 
video, while discs created in VR (Video Recording) mode 
allow the contents to be programmed or edited.

HDMI (High-Defi nition Multimedia Interface) is an interface 
that supports both video and audio on a single digital 
connection. The HDMI connection carries standard to high 
defi nition video signals and multi-channel audio signals to 
AV components such as HDMI equipped TVs, in digital form 
without degradation.

Interlace format shows every other line of an image as a 
single “fi eld” and is the standard method for displaying 
images on television. The even numbered fi eld shows the 
even numbered lines of an image, and the odd numbered 
fi eld shows the odd numbered lines of an image.

A screen size with black bars on the top and bottom of the 
image to allow viewing of wide-screen (16:9) material on a 
connected 4:3 TV.

BD-HP20U_en_f.indd   50

BD-HP20U_en_f.indd   50

2007/08/06   10:22:08

2007/08/06   10:22:08