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Glossary

Over The Air

(synonyms: OTA)

There are a variety of ways to transmit television signals to consumers. Over The Air (OTA) signals are transmitted from terrestrial towers, instead of across copper or fiber optic cable or from satellites.

OTA signals may be analog, as in the case of standard NTSC, PAL, or SECAM broadcasting, or digital in the case of DTV and HDTV signals like ATSC or DVB-T. Depending on the type of TV (analog or digital) you have, it may be able to receive analog OTA broadcasts, digital OTA broadcasts or both. If you have an HDTV monitor (HDTV display with no tuner) you'll need to use an external tuner to receive either analog or digital OTA transmissions.

For more information, see the glossary definitions for:

ATSC DVB-T

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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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In-Loop Deblocking Indeo Initial Standard Profile Instant CD/DVD Disc Image Institute of Electrical and Electronic Engineers Interlace Interleaved Video Units Interleaving INTERNAL International Federation of the Phonographic Industry International Telecommunication Union Interpolation Inverse Telecine ipsw IRC Irdeto Irdeto 1 Irdeto 2 IRMA ISO ISO 13818 ISO 21000 ISO 9660 ISO Zipped IsoBuster ISZ ITU ITU-R BT.601 IVTC J JEDEC Jitter Joint Video Team Joliet JSO JVT K Kad Kademlia Kell Factor Key Frame KeyFly KVCD Kxploit L LabelFlash Lagarith LAME LaserDisc Layer Break LCD TVs Lead-in Lead-out Leech Leecher Left Left Channel Left Surround Left Surround Channel Legos Letterbox LFE libavcodec Lightscribe Limited Line Pair Linear PCM Linear pulse code modulation Lines of Horizontal Resolution Lines of Resolution Lines per Picture Height Linux Liquid-crystal display televisions LiquidHD Logistep Lossless Compression Lossy Compression Low Frequency Effects Channel LPCM Lucky and Flo Luma 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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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