|
|
(TOP) |
| a2b Music |
AT&T's system for distribution of music over the Internet |
| AAC |
Advance Audio Coding, one of the coding standards adapted in MPEG-2 and MPEG-4,
ISO/IEC 13818-7.
It has a better compression ratio and audio quality than MPEG-2 Layer 3. |
| AC3 |
A compression coding method developed by Dolby Laboratories for multiple channels
of audio,
which can reproduce a maximum of 5.1 channels,
namely, three channels for the front, two
channels for the rear, and 0.1 channel (super-woofer)
for low frequency reproduction. |
| ACA |
The Agency for Cultural Affairs, a Japanese
governmental organization, supervised by the
Ministry of Education, Science, Sports and
Culture, which is responsible for copyright legislation.
See http://www.bunka.go.jp |
| AIF |
Audio Interchange Format |
| ASCAP |
The American Society of Composers, Authors, and Publishers |
| ATRAC |
Adaptive TRansform Acoustic Coding, Sony's
proprietary compression method for Mini Disc.
ATRAC 3 is used for Memory Stick.
See http://www.sony.co.jp/soj/CorporateInfo/News/199902/99-021/index.html. |
|
(TOP) |
| BS |
Broadcasting satellite. Japanese regulations distinguish BSs from CSs
and control BS transmissions only. NHK and WOWOW use BSs for their broadcasting. |
|
|
(TOP) |
| CBR |
Constant bit rate for MPEG-2 compression |
| CCA |
DVD Copy Control Association, Inc.,
which was formed primarily by CSS Licensees and sponsors WaRP. |
| CCI |
Copy control information, currently 8 bits for video and 4 bits for audio |
| CCIR |
Comite Consultatif International des Radio-Communications
(International Radio Consultative Committee) |
| CCITT |
Comite Consultatif International Telegraphique et Telephonique
(Consultative Committee for International Telegraphy and Telephony)
|
| CCITT IV |
A specification for facsimile apparatus, including compression schemes. |
| Compliance Rules |
Rules that licensed products must meet. |
| Component |
A video signal system that transmits in each different line one of
the three primary color signals, such as G/B/R, Y/Cb/Cr, or Y/I/Q.
|
| Composite |
A video signal system that is frequency-multiplexed
out of the luminance and chromaticity signals.
|
| Compliant |
In compliance with all applicable Compliant Rules
set by a licensing entity |
| CS |
Communications satellite. Japanese regulations do not
directly control CS transmission, although they control BS. PerfecTV is a CS network. |
| CSS |
Content scrambling system for DVD video. |
|
|
(TOP) |
| D-1 |
A standard format for components of digital video
tape recorders. Introduced in 1985 and used by SONY and others. CCIR Rec. 657 in 1986. |
| D-2 |
A format for composite digital videotape
recorders using NTSC and PAL. Introduced in
1989 and used by SONY, Ampex, and others. |
| D-3 |
A format for composite digital video tape
recorders using NTSC and PAL. Introduced in
1991 by Panasonic. |
| D-5 |
A standard format for component digital video
tape recorders. Introduced in 1993 by Panasonic.
Based on ITU-R 601 4:2:2 and ITU-R656, it
features 10-bit sampling without compression. |
| DAVIC |
Digital Audio-Visual Council |
| DCT |
Digital Component Technology, a format for
component digital video tape recorders with 10-bit
sampling and mild compression. Introduced
in 1992 by Ampex. |
| DHSG |
Data Hiding Sub-Group, formed under the
DVD CPTWG in May 1997. |
| DigiBeta |
Digital Betacam; a format for digital component
tape designed for economical operation with
10-bit sampling and mild compression. Introduced
in 1993 by Sony. |
| Digital Signature |
Digital data that enables a system to verify
the integrity and origins of digital assets. See
"tamper-detect" watermarking. |
| DSA |
Digital Signature Algorithm, a signature
standard defined by the US Government |
| DTCP |
The Digital Transmission Content Protection
method, which is licensed by the Digital
Transmission Licensing Administrator (DTLA),
an independent licensing authority established
by Hitachi, Ltd., Intel Corporation, Matsushita
Electric Industrial Co., Ltd., Sony Corporation,
and Toshiba Corporation. See http://www.dtcp.com. |
| DTDG |
Digital Transmission Discussion Group,
formed as a subgroup of the DVD CPTWG for
protecting copyrighted content in transmission
over IEEE1394 networks. |
| DVD CPTWG |
DVD Copy Protection Technical Working Group,
formed in 1996 to discuss
various copy protection measures. |
|
|
(TOP) |
| EMI |
Encryption mode indicator, which provides a mechanism for
identifying the copy protection status of the contents of DTDG layers |
| EMMS |
IBM Electronic Music Management System; see
DataHiding in IBM EMMS. |
| Exif |
Exchangeable image file format,
a JPEG-encoded file format for digital cameras that has similar
tags to TIFF.
|
|
|
(TOP) |
| False negative error |
An error such that a watermark detector misinterprets marked content
as unmarked content. See Reliability. |
| False positive error |
An error such that a watermark detector misinterprets unmarked content
as marked content. See Reliability. |
| FRWG |
Functional Requirements Working Group, formed by
SDMI to define SDMI content, SDMI space, and SDMI screening methods. |
|
|
(TOP) |
| Galaxy |
A group formed by IBM, NEC, Hitachi, Sony, and Pioneer
for standardization of DVD watermarking technology |
|
|
(TOP) |
| HD-5 |
High-Definition Component Digital for 1920*1080i
or 720p, 16:9. Introduced in 1996 by Panasonic. |
| HDCAM |
High-Definition Component Digital Camera, an advanced
version of the Digital Betacam for 1920*1080i,
16:9. Introduced in 1997 by Sony. |
| HDD-1000 |
High-Definition Component Digital for 1920*1035i,
16:9. Introduced in 1990 by Sony. |
| HDTV |
High-definition television |
| HPGL |
Hewlett-Packard Graphics Language for plotter
formats. Most CAD systems are capable of outputting HPGL. |
|
|
(TOP) |
| IEC |
International Electrotechnical Commission |
| IFPI |
International Federation of the Phonographic Industry |
| Integrity |
Preventing unauthorized modification. |
| InterTrust |
A privately held company for electronic commerce
and digital rights management, whose core
partners include Mitsubishi Corporation,
National Westminster Bank Plc., Reciprocal,
Inc. (formerly Rights Exchange, Inc.) and
the Universal Music Group. See http://intertrust.com/ |
| IPA |
Information-Technology Promotion Agency, Japan.
A quasi-governmental organization established in 1970.
The IPA's budget in fiscal 1999 will be approximately
23 billion yen. See http://www.ipa.go.jp/ |
| ISBN |
International Standard Book Numbering (ISO 2108) |
| ISO |
International Organization for Standardization |
| ISRC |
International Standard Recording Code, a 12-digit code
for identification of recorded content. The code consists of a
2-digit country code, a 3-digit company code,
a 2-digit code for year recorded, and a 5-digit track number. |
| ITU |
International Telecommunication Union, composed of the IFRB, CCITT, and CCIR. |
|
|
(TOP) |
| JASRAC |
Japanese Society for the Rights of Authors, Composers, and Publishers |
| JIS |
Japanese Industrial Standards |
|
|
(TOP) |
|
|
(TOP) |
| LCM |
Licensed SDMI-compliant modules,
which is a "virtual machine" that provides an SDMI abstraction layer.
|
|
|
(TOP) |
| MD |
Mini Disc |
| MINC |
Music Information Network Consortium, which
was formed by JASRAC, RIAJ, and Geidankyo
(Japan Council of Performers' Organizations)
in Japan in January 1999. The Music Forest project
is conducted by MINC in collaboration with the
J-CIS plan of the Agency for Cultural Affairs |
| MITI |
Japanese Ministry of International Trade and Industry |
| MLP |
Meridian Lossless Packing, a lossless compression
method developed by Meridian Audio Ltd. and
used for DVD audio. |
| MP3 |
A coding standard for compression of audio data: MPEG-2 Layer 3 |
| MPAA |
Motion Picture Association of America.
The recommended Web site is http://www.mpaa.org/anti-piracy. |
| MPEG |
Moving Picture Experts Group; a joint committee of the ISO
and IEC. |
| MPT |
Japanese Ministry of Posts and Telecommunications |
| MUSE |
A project for music content, which is 50% funded
by the European Commission as part of the ESPRIT programme. |
