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Sunday 22.11.2009 / 05:04 PM

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Glossary

ATRAC Advanced Lossless

ATRAC stands for Adaptive Transform Acoustic Coding and ATRAC Advanced Lossless is an evolution of the earlier ATRAC1 and ATRAC3 audio systems in use with Sony's SDDS theater audio system, MiniDisc, Walkman and Sony Connect (amongst many other uses). At writing, ATRAC Advanced Lossless is the latest update to the ATRAC family of proprietary compression algorithms created by Sony Corp. While ATRAC Advanced Lossless is supported by Sony's Network Walkman, its support has not yet come to either the PlayStation Portable (PSP) or PlayStation 3 (PS3) consoles, which are marketed aggressively by Sony as entertainment-enhancing gadgets.

There are few lossless audio formats that can offer scalable compression, and ATRAC Advanced Lossless is one. It records the ATRAC3 or ATRAC3plus and the residual information that either eliminated. ATRAC3 or ATRAC3plus data can be extracted as is, or the eliminated data can be added in order to perfectly reproduce the information that was ripped from an original CD, offering as a result, lower storage capacity requirements than storing an uncompressed and compressed version of the same track. As such, it provides excellent backwards compatibility.

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Some interesting ATRAC-related articles from the AfterDawn archives include..

Sony to dump Connect music service - (August 31st, 2007)
Sony acknowledged that its proprietary ATRAC music format was a market flop by shutting down all its Connect music stores and making its devices compatible with other formats.

Sony kills off ATRAC and SonicStage with latest MP3 player - (April 28th, 2007)
The Sony B100 series of portable MP3 players killed off the ATRAC format.

Sony admits ATRAC was a mistake - (January 23rd, 2005)
Ken Kutaragi has stated that Sony has missed out on the sales of MP3 players and other gadgets by sticking to proprietary formats such as ATRAC.

Sony to add MP3 support to its portable music players - (September 23rd, 2004)
Sony confirmed plans to add MP3 support to its players, loosening its reliance on the proprietary ATRAC format.

Sony Connect music service launched - (May 5th, 2004)
Sony opened its Connect music service which used the ATRAC format for downloadable music files.

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Conditional Access Module Conditional Access System Constant Bitrate Constant Quality Container Content Protection Technical Working Group Control Area Copy Guard Management System CoreAVC CoreAVC Video Codec CoreCrypt CorePNG CPPM CPRM CPSA CPTWG CRB CRIA Cropping CrossFire CrossFireX CRT Crypton Cryptoworks CSO CSS CTI-CAS Cue cue file Cue Sheet CVD D D-VHS D1 DAA DAE Daemon DAO DAR Darknet Dashboard DAT DAX DCC DCC Get DCC Send DCF DCT DCT Block DDC DDoS Decode Deep Color Deinterlace Delta Frame Demultiplexing Demux Descriptive Video Service DigiCipher 2 Digital Artifacts Digital Rights Management Digital Video Recorder Digital8 DiMA DIMM DIRAC Direct Access Archive Direct Stream Digital direct-to-video Direct2D Direct3D DirectDraw DirectInput DirectMusic DirectPlay DirectPlay Voice DirectSetup DirectShow DirectSound DirectSound3D DirectX DirectX Audio DirectX Graphics Infrastructure DirectX Media DirectX Media Object DiscJuggler Discrete Cosine Transform Discrete Surround Disk Copy 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MPEG Advanced Audio Coding MPEG-1 MPEG-1 Audio Layer III MPEG-1 Layer II MPEG-2 MPEG-2 AAC MPEG-2 Layer II MPEG-2 NBC MPEG-2 Packetized Elementary Stream MPEG-2 Program Stream MPEG-2 PS MPEG-2 Transport Stream MPEG-2 TS MPEG-21 MPEG-4 MPEG-4 ASP MPEG-4 Industry Forum MPEG-4 Part 10 MPEG-4 Part 2 MPEG-4 SP MPEG-7 MPV MRIMG MRW MSU Lossless Video Codec Multi-Angle Multi-Color Graphics Array Multi-pass encoding MultiMediaCard MultiMediaCard Association Multiple Program Transport Stream Multiplexing Multisession Musepack (MP+) Musical Instrument Digital Interface Muxing mux_rate N NAB Nagravision Nagravision 3 Nagravision Aladin Nagravision Cardmagedon National Association of Broadcasters Native Resolution Navigation Stream NDS NDS VideoGuard NDSL Neotion SHL Neotioncrypt Nero Digital Nero Digital AVC New Technology File System NFO Nickserv Nintendo DS Nintendo DS Lite Nintendo DSi Nintendo DSi LL Noise NRG NTFS NTSC NUKED Nyquist Frequency Nyquist-Shannon Sampling Theorem NZB O O&O DiskImage OEM Ogg Ogg Media Ogg Tarkin Ogg Theora Ogg Vorbis OGM OMA OMG OmniCrypt On The Fly on the fly encryption Open Captions OpenFT OpenGL OpenMG Opposite Track Path OptimFROG OptimFROG DualStream Original Equipment Manufacturer OTA OTFE OTP Over The Air Overburn Overlay Oversampling oversizing Ovi P P-CAV P-frame P2P Pack Packed Format Packet PAL Pan & Scan PAR Parallel ATA Parallel Track Path Partial CAV Partial-Constant Angular Velocity Partimage PARTIMG PARTIMG.BZ2 PARTIMG.GZ Partition PATA PDI PDMI PDP PDVD Peer-to-peer Period Personal Video Recorder PGC Phase PicAFF Picture Element	Picture In Picture Picture Outside Picture Picture-Level Frame/Field Coding Pillarbox PIP Pit Pixel Pixel Aspect Ratio Place Shifting Planar Format Plasma display Playstation Portable Playstation Portable Slim and Lite POP Portable Device Media Interface PowerPoint Slideshow PowerVu PowerVu+ PPS PPT PQDI PQI Pre-shared Key Presentation Stream Profile Profile 1.0 Profile 1.1 Profile 2.0 Program 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