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HD Player
Index
114
Rev. 6.4
Standard SCSI
: 5 Mbps (max.)
Fast SCSI
: 10 Mbps (max.)
Ultra SCSI
: 20 Mbps (max.)
For each of these there is the 8-bit normal "narrow" bus (1 byte per transfer) or
the 16-bit Wide bus (2 bytes per transfer), so Wide Ultra SCSI could transfer
data at a maximum rate of 40 Mbps. Note that these are peak rates. Continuous
rates will be considerably less. Also, achieving this will depend on the
performance of the connected device.
Differential SCSI
: An electrical signal configuration where information is sent
simultaneously through sets of wires in a cable. Information is interpreted by the
difference in voltage between the wires. Differential interfaces permit cable
lengths up to 75 feet (25 meters).
Single-Ended SCSI
: An electrical signal configuration where information is
sent through one wire in a cable. Information is interpreted by the change in the
voltage of the signal. Single-ended interfaces permit cable lengths up to 18 feet
(6 meters).
Serial digital
interface (SDI)
The standard based on a 270 Mbps transfer rate. This is a 10-bit, scrambled,
polarity independent interface, with common scrambling for both component
ITU-R 601 and composite digital video and four channels of (embedded) digital
audio. Most new broadcast digital equipment includes SDI which greatly
simplifies its installation and signal distribution. It uses the standard 75 ohm
BNC connector and coax cable as is commonly used for analog video, and can
transmit the signal over 600 feet (200 meters) depending on cable type.
Slice
A series of macroblocks. A slice is the basic synchronizing unit for
reconstruction of the image data and typically consists of all the blocks in one
horizontal picture interval – usually 16 lines of the picture
SMPTE
Standards
SMPTE 125M (formerly RP-125) :
The SMPTE standard for a bit parallel
digital interface for 55-line interlace component video signals. SMPTE 125M
defines the parameters required to generate and distribute component video
signals on a parallel interface.
SMPTE 244M
: The SMPTE standard for a bit parallel digital interface for
composite video signals. SMPTE 244M defines the parameters required to
generate and distribute composite video signals on a parallel interface.
SMPTE 259M
: The SMPTE standard for standard definition serial digital
component and composite interfaces.
SMPTE 272M
: The SMPTE standard for formatting AES/EBU audio and
auxiliary data into digital video ancillary data space.
SMPTE 292M
: The SMPTE standard for bit-serial digital interface for high-
definition television systems.
SMPTE 293M
: The SMPTE standard defining the data representation of the
720x483 progressive signal at 59.94 Hz.
SMPTE 294M
: The SMPTE standard defining the serial interfaces for both
4:2:2P (progressive) on two-SMPTE 259M links and 4:2:0P (progressive) on a
single SMPTE 259M link (at 360Mbps).
SMPTE 299M
: The SMPTE standard for 24-bit digital audio format for HDTV
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