.amr
A file with a .amr extension is a digital recording based onAdaptive Multi-rate Compression. The standard was adopted by 3GPP for use over mobile networks, carrying speech data. The bitrates are far too low to provide any decent quality for audio recordings, but the codec is commonly used with mobile phones to make voice recordings.
Glossary
Select a term to see the explanation
- 0-9
- .001-.999
- 1080i
- 1080p
- 12:1 Pulldown
- 1440p
- 16:9
- 1xEV-DO
- 2-pass
- 2160p
- 24:1 Pulldown
- 24p
- 2:2 Pulldown
- 2:2:2:2:2:2:2:2:2:2:2:3 Pulldown
- 2:2:3:2:3 Pulldown
- 2:3 Pulldown
- 3/2 Surround
- 3:2 pulldown
- 3:3 Pulldown
- 3D PC
- 3GP
- 3GPP
- 3GPP2
- 3GSM World Congress
- 3ivX
- 3rd Generation Partnership Project
- 3ROL
- 3X DVD
- 404 Error
- 480i
- 480p
- 4:3
- 4C Entity
- 4K2K
- 5.1 Audio
- 5.1 Surround
- 525/60
- 576i
- 576p
- 5G Wi-Fi
- 6.1 Audio
- 6.1 Surround
- 625/50
- 7-Zip
- 7.1 Audio
- 7.1 Surround
- 720i
- 720p
- 802.11
- 802.11a
- 802.11ac
- 802.11g
- 802.11n
- 8K
- 8mm Videotape
- A
- A4WP
- AAC
- AAC LC
- AAC+
- AAC-LTP
- aacPlus v1
- AacPlus v2
- AACS
- AACS Final Adopter Agreement
- AACS LA
- Abandonware
- Abend
- Abnormal End
- ABR
- AC-3 VS
- AC3
- Academy Ratio
- Accelerated Graphics Port
- Access Control List
- Accessgate
- ACL
- Acronis
- ACS:Law
- ACTA
- Active Area
- Active-Matrix
- ActiveMovie
- ActiveX
- ActiveX Controls
- Ad Hoc Networking
- Adaptive Multi-rate Compression
- Adaptive Multi-rate Narrow Band
- Adaptive Multi-rate Wide Band
- Adaptive Transform Acoustic Coding
- ADC
- Address Bar
- Address Field
- ADSL
- Adult Industry Trade Association
- Advanced Access Content System
- Advanced Access Content System Licensing Authority
- Advanced Audio Coding
- Advanced Encryption Standard
- Advanced Graphics Port
- Advanced Interactive eXecutive
- Advanced Regional Copy Control Operating Solution
- Advanced SCSI Programming Interface
- Advanced Simple Profile
- Advanced Stream Redirector
- Advanced Streaming Format
- Advanced Technology Attachment
- Advanced Television Systems Committee
- Advanced Video Coding
- Adware
- Aereo
- AES
- AFACT
- AFC
- AFM
- AFT
- AGC
- AGP
- AGP 1x
- AGP 2x
- AGP 4x
- AGP 8x
- AIFF
- AIFF-C
- AIM
- AITA
- AIX
- ALAC
- ALE
- Aliasing
- Alliance for Telecommunications Industry Solutions
- Alliance for Wireless Power
- Alpha
- AlphaCrypt
- ALU
- Alureon
- Amazon Tax
- American DVD Copy Control Association
- American Society of Composers, Authors and Publishers
- AMR
- AMR-NB
- AMR-WB
- AMV
- Analog-to-Digital Converter
- Anamorphic
- Android
- Android 1.0
- Android 1.1
- Android 1.5 Cupcake
- Android 1.6 Donut
- Android 2.0
- Android 2.1 Eclair
- Android 2.2 Froyo
- Android 2.3 Gingerbread
- Android 3.0 Honeycomb
- Android 3.1 Honeycomb
- Android 3.2 Honeycomb
- Android 4.0 Ice Cream Sandwich
- Android 4.3 Jelly Bean
- Android 4.4 KitKat
- Android Operating System
- Angles
- Animation Codec
- Anime Music Video
- Anti-counterfeiting Trade Agreement
- AO (Adults Only)
- AOL Instant Messenger (AIM)
- APE
- Aperture
- Apple Disk Image
- Apple Lossless
- Apple Lossless Audio Codec
- Apple Lossless Encoder
- Apple Software Restore
- AR
- ARccOS
- ARIA
- ARIB
- Arithmetic Logic Unit
- ARM
- Artifact
- ASCAP
- ASF
- Asian Silvers
- Aspect ratio
- ASPI
- ASR
- Association for UK Interactive Entertainment
- Association of Radio Industries and Businesses
- ASV
- ASVOBS
- ASX
- Asymmetric Digital Subscriber Line
- ATA
- ATAPI
- ATI CrossFire
- ATI Eyefinity
- ATIS
- ATRAC
- ATRAC Advanced Lossless
- ATRAC1
- ATRAC3
- ATRAC3plus
- ATSC
- Attach Rate
- Atvod
- Audio and Video Compression for High Definition
- Audio Coding 3
- Audio Frequency Modulation
- Audio Interchange File Format
- Audio Still Video
- Audio Still Video Object Set
- Audio Video Interleave
- Audio Video Standard
- AUDIO_TS
- Australian Federation Against Copyright Theft
- Australian Recording Industry Association
- Authoring
- Authority for Television on Demand
- Automatic Fine Tuning
- Automatic Frequency Control
- Automatic Gain Control
- Automatic Iris
- Autoplay
- Autorun
- AVC
- AVCHD
- Average Bitrate
- AVI
- AVS
- AwesomeBar
- AZW
- B
- B Frames
- B-CAS
- B6I
- Back Surround
- Back Surround Channel
- BackUP IFO
- Bada
- Bada 2.0
- BAE-VX1000
- Bandwidth
- Basic Interoperable Scrambling System
- BayTSP
- BCA
- BD
- BD Java
- BD+
- BD-25
- BD-50
- BD-J
- BD-Live
- BD-R
- BD-RE
- BD-ROM
- BDA
- BDAV
- BDMV
- BDRip
- BEREC
- Bescherming Rechten Entertainment Industrie Nederland
- Betacam
- BetaCrypt 1
- BetaCrypt 2
- BetaMax
- Betamax Case
- BFF
- Bidirectional Prediction
- Big Champagne
- Bill Shock
- BIN/CUE Images
- Bink
- Bink Video
- Birefringence
- BISS
- Bitmap
- Bitrate
- bitsetting
- Bitstream
- BitTorrent
- Black Hat
- Blindread
- BlindWrite
- Bloatware
- Block
- BlockAID
- Blocking
- Blu-Code
- Blu-ray
- Blu-ray Disc
- Blu-ray Disc Association
- Blu-ray Disc Audio/Visual
- Blu-ray Disc Movie
- Blu-ray Disc Recordable
- Blu-ray re-writable
- Blu-ray Read Only Memory
- Blu-ray Region A
- Blu-ray Region B
- Blu-ray Region C
- Blu-ray Region Codes
- Bluetooth 3.0
- BMI
- BMP
- Body of European Regulators of Electronic Communications
- Bonus View
- Book A
- Book B
- Book C
- Book D
- Book E
- BookType
- Bootlegs
- Bot Herders
- Botnet
- Bots
- Bottom Field First
- BPI
- bps
- BredoLab
- BREIN
- British Phonographic Industry
- British Phonographic Industry
- Broadcast Flag
- Broadcast Music Incorporated
- Browser Choice
- BRrip
- BS Conditional Access Systems
- BSA
- BT5
- BT6
- BUP
- Burst Cutting Area
- Business Software Alliance
- BWA
- BWS
- BWT
- bz2
- bzip2
- C
- C2D
- CA
- CAAST
- CABAC
- Cable Television
- CableCARD
- CableLabs
- Cam
- CAM
- Camcorder
- Canadian Alliance Against Software Theft
- Canadian Motion Picture Distributors Association
- Canadian Recording Industry Association
- Caption
- Capture
- Carrier IQ
- CAS
- Cathode-Ray-Tube
- CATV
- CAV
- CAV/CLV
- CAVLC
- CBHD
- CBR
- CCD
- CCE
- CCI
- CCIR 601
- CD
- CD Audio
- CD+G
- CD+Graphics
- CD-DA
- CD-i
- CD-MRW
- CD-Plus
- CD-R
- CD-ROM
- CD-ROM XA
- CD-RW
- CDA
- CDI
- cdma
- CDMA2000
- CDR
- CDV
- cDVD
- CE-ATA
- CEA
- CEATEC
- CeBIT
- CEC
- CECB
- CEDIA Expo
- Cell
- Cellular Telecommunications Industry Association
- Center
- Center Channel
- Center for Copyright Information
- Centrum der Büro- und Informations technik
- CES
- CFF
- CGA
- CGMS
- CH-DVD
- Channel
- Chanserv
- Chaoji VCD
- Chapters
- CHDA
- China Blue High-Definition Disc
- China High Definition DVD
- China High Definition DVD Industry Association
- China Video Disc
- ChinaCrypt
- Chipset
- Chroma
- Chroma Subsampling
- Chromaticity
- Chrome OS
- Chromebook
- Chrominance
- CIF
- Cinavia
- Cinema Craft Encoder
- CISO
- CK3
- CLI
- CloneCD Control File
- Closed Captions
- Closed GOP
- CLV
- CMF
- CMI
- CMPDA
- Coaster
- Code-Division Multiple Access
- Code-Division Multiple Access 3G
- Codec
- CodecSys
- Codicrypt
- Color Graphics Adapter
- Color Space
- Colorimetry
- Colorspace
- Combined Exhibition of Advanced Technologies
- Combo Drive
- Command Line Interface
- Commission for Communications Regulation
- Common File Format
- Common Interface
- Common Intermediate Format
- Compact Disc
- Compact Disc - Digital Audio
- Compact Disc - Read-Only Memory
- Compact Disc - Recordable
- Compact Disc - Rewritable
- Compact Disc Interactive
- Compact Disc Mount Rainier Read/Write
- Compact Disc Plus
- CompactFlash
- Component Video
- Composite Video
- Compression
- Computer Maintenance Competition Assurance Act
- ComReg
- Conax CAS 5
- Conax CAS 7
- Conditional Access
- Conditional Access Module
- Conditional Access System
- Condor
- Connectivity Kit V3
- Constant Angular Velocity
- Constant Bitrate
- Constant Quality
- Consumer Electronics Advanced Technology Attachment
- Consumer Electronics Association
- Consumer Electronics Control
- Consumer Electronics Show
- Container
- Content Protection System Architecture
- Content Protection Technical Working Group
- Content Scrambling System
- Context-adaptive binary arithmetic coding
- Context-adaptive variable-length coding
- Control Area
- Cookiejacking
- Copy Guard Management System
- Copy Management Information
- Copyright Alert System
- Copyright Royalty Board
- CoreAVC
- CoreAVC Video Codec
- CoreCrypt
- CorePNG
- Coupon-Eligible Converter Box
- CPPM
- CPRM
- CPSA
- CPTWG
- CRB
- CRIA
- Cropping
- CrossFire
- CrossFireX
- CRT
- Crypton
- Cryptoworks
- CrystalBrite
- CSO
- CSS
- CTI-CAS
- CTIA
- Cue
- cue file
- Cue Sheet
- Cutting Master Format
- CVD
- CyanogenMod
- D
- D-VHS
- D1
- DAA
- DAC
- DAE
- Daemon
- DAO
- DAR
- Darknet
- Dashboard
- DAT
- DAX
- Day Zero
- DCC
- DCC Get
- DCC Send
- DCF
- DCT
- DCT Block
- DDC
- DDoS
- DECE
- Decode
- Decrypt CSS
- DeCSS
- Deep Color
- Deinterlace
- Delta Frame
- Demultiplexing
- Demux
- Descriptive Video Service
- Device-Independent Bitmap Graphic
- DHWG
- DIB
- DigiCipher 2
- Digital Artifacts
- Digital Audio Extraction
- Digital Audio Tape
- Digital Compact Cassette
- Digital Entertainment Content Ecosystem
- Digital Home Working Group
- Digital Living Network Alliance
- Digital Media Association
- Digital Media Controller
- Digital Media Player
- Digital Media Printer
- Digital Media Renderer
- Digital Media Server
- Digital Millennium Copyrights Act
- Digital Rights Ireland
- Digital Rights Management
- Digital Theater Sound
- Digital Theater System
- Digital Transmission Copy Protection
- Digital Transmission Licensing Administrator
- Digital Video Broadcasting - Cable
- Digital Video Broadcasting - Satellite
- Digital Video Broadcasting - Terrestial
- Digital Video Broadcasting Project
- Digital Video Broadcasting: Handhelds
- Digital Video Disc
- Digital Video Home System
- Digital Video Interface
- Digital Video Interface - Integrated
- Digital Video Recorder
- Digital Visual Interface - Analog
- Digital-to-Analog Converter
- Digital8
- DiMA
- DIMM
- DIRAC
- Direct Access Archive
- Direct Client to Client Get
- Direct Client to Client Send
- Direct Stream Digital
- direct-to-video
- Direct2D
- Direct3D
- DirectDraw
- DirectInput
- DirectMusic
- DirectPlay
- DirectPlay Voice
- DirectSetup
- DirectShow
- DirectSound
- DirectSound3D
- DirectX
- DirectX Audio
- DirectX Diagnostics
- DirectX Graphics Infrastructure
- DirectX Media
- DirectX Media Object
- Disc At Once
- Disc Wobble
- DiscJuggler
- Discrete Cosine Transform
- Discrete Surround
- Disk Copy Fast
- Disk Utility
- Display Aspect Ratio
- Display Data Channel
- Display Resolution
- DisplayPort
- DisplayPort Content Protection
- Distributed Denial of Service
- Distribution Media Format
- Distrubuted hash tables
- DivX
- DIVX (original)
- DivX ;-)
- DivX Certified
- DivX Media Format
- divx re-enc
- DivX Subtitles
- DivX Ultra
- DivXHD
- DLNA
- DLNA-Certified
- DMC
- DMCA
- DMF
- DMG
- DMO
- DMP
- DMPr
- DMR
- DMS
- DNS Blocking
- DNT
- Do Not Track
- Dolby
- Dolby Digital
- Dolby Digital Plus
- Dolby Pro Logic
- Dolby Pro Logic II
- Dolby Surround
- Dolby TrueHD
- Dolby Virtual Surround AC-3
- Double Sided Dual Layer
- Double Sided Mixed Layer
- Double Sided Single Layer
- Double VideoCD
- Downmix
- DPCP
- DRC
- Dreambox
- DreamCrypt
- DRI
- DriveImage
- DRM
- DROP FRAME
- DSD
- DSDL
- DSi
- DSi LL
- DSi XL
- DSML
- DSSL
- DTCP
- DTCP+
- DTLA
- DTS
- DTS-HD
- DTS-HD Master Audio
- DTV
- Dual Layer DVD Re-Writeable
- Dual-Voltage MultiMediaCard
- DualShock
- DualShock 2
- DualShock 3
- DUPE
- Durabis
- DV
- DV-MMC
- DVB
- DVB-C
- DVB-H
- DVB-S
- DVB-T
- DVCAM
- DVCD
- DVCPro
- DVD
- DVD CCA
- DVD Copy Control Association
- DVD Dual Layer Recordable
- DVD Forum
- DVD Re-Writable
- DVD Read Only Memory
- DVD Recordable
- DVD Region Codes
- DVD Screener
- DVD Video Object
- DVD Video OBject Unit
- DVD+R
- DVD+R DL
- DVD+RW
- DVD+RW Alliance
- DVD+RW DL
- DVD+VR
- DVD-10
- DVD-14
- DVD-18
- DVD-5
- DVD-9
- DVD-A
- DVD-Audio
- DVD-Audio Zone
- DVD-MP3
- DVD-R
- DVD-R DL
- DVD-R9
- DVD-RAM
- DVD-RAM Promotion Group
- DVD-Random Access Memory
- DVD-Rip
- DVD-ROM
- DVD-RW
- DVD-RW DL
- DVD-VCD
- DVD-Video
- DVD-Video Zone
- DVD-VR
- DVD/TV Combo
- DVDR
- DVDScr
- DVI
- DVI-A
- DVI-D
- DVI-I
- DVR
- DVR-MS
- DVS
- DxDiag
- DXGI
- Dynamic Range Compression
- Dynamic WEP
- E
- E (Everyone)
- E for All
- e-MMC
- E05
- E06
- E09
- E10
- E10+ (Everyone 10+)
- E18
- E3 Expo
- E3 Media and Business Summit
- E64
- E65
- E66
- E67
- E68
- E69
- E71
- E74
- eAAC+
- EAC
- EasyCas
- EB
- EBC
- Ebit
- EBU
- EC (Early Childhood)
- ed2k
- EDA
- EDGE
- EDID
- eDonkey2000
- EDTV
- EFA
- EFC
- EFF
- EFI
- EFI Byte Code
- eG8
- EGA
- EIA
- EiB
- Eibit
- Electronic Entertainment Expo
- Electronic Frontier Foundation
- Electronic Frontiers Australia
- Electronic Frontiers Canada
- Electronic Industries Alliance
- Electronic Product Environmental Assessment Tool
- Electronic Programming Guide
- Electronic Publication
- Elementary Streams
- EMA
- Encode
- Enhanced CD
- Enhanced Data for Global Evolution
- Enhanced Definition Television
- Enhanced Display Adapter
- Enhanced Graphics Adapter
- Enhanced Versatile Disc
- Entertainment Merchants Association
- Entertainment Software Association
- Entertainment Software Rating Board
- EPEAT
- EPG
- ePUB
- ESA
- eSATA
- ESRB
- Ethernet
- ETSI
- EuroCrypt
- EuroDec
- European Broadcasting Union
- European Telecommunications Standards Institute
- Eurotariff
- EV-DO
- EV-DO Rev 0
- EV-DO Rev A
- EVD
- EVGA
- Evolution-Data Optimized
- Evolution-X
- Evolved High-Speed Packet Access
- Exabit
- Exabyte
- Exact Audio Copy
- exaFLOPS
- ExaScale
- Exbibit
- Exbibyte
- Exploit Wednesday
- Extended Architecture
- Extended Architecture
- eXtended Detail Enhancement
- Extended Direct Client to Client
- Extended Display Identification Data
- Extended Graphics Array 2
- eXtended Graphics Array Plus
- eXtended SuperVideoCD
- Extended Video Graphics Array
- eXtended VideoCD
- Extensible Firmware Interface
- External SATA
- Extreme Definition Video
- extreme Digital
- ExtremeFSS
- Extro
- Eye-Fi
- EZ-D
- F
- F-Stop
- FAAC
- FACT
- FairPlay
- FAST
- FastTrack
- FAT
- Federation Against Copyright Theft
- Federation Against Software Theft
- FF Video Codec 1
- FFV1
- Field
- Field Dominance
- Field Order
- Fieldrate
- File Allocation Table
- File Transfer Protocol
- Filter
- Final Standard Profile
- FireCrypt
- FireWire
- Firmware
- Firstplay
- Fixed Pixel Display
- FLAC
- FLash Video
- Flipper
- Floating Point Operations per Second
- Floating Point Unit
- FLOPS
- FLV
- Focal-Stop
- Folding@home
- Forward Versatile Disc
- FourCC
- FPD
- fps
- FPU
- Frame
- Framerate
- frames per second
- Frameserve
- FRAND
- Free Lossless Audio Codec
- Freeview HD
- Freeware Advanced Audio Coder
- Freeware HD
- Frequency
- Fserves
- FTP
- Full Frame
- Full HD
- Fullscreen
- Fusion Drive
- FVD
- G
- G.722.2
- Game Developers Conference
- Gamma Correction
- GB
- Gbit
- Gbyte
- GDC
- General Hardware-Oriented System Transfer
- General Purpose Graphics Processing Unit
- GHO
- Ghost
- GHS
- GiB
- Gibibit
- Gibibyte
- Gibit
- GIF
- Gigabit
- Gigabyte
- gigaFLOPS
- gigibyte
- Global Motion Compensation
- Global System for Mobile Communication
- GMC
- GodMode
- Gold Farming
- Golden Joysticks
- Google TV
- GOP
- GPGPU
- GPRS
- GPU
- Grace Period Profile
- Graphics Interchange Format
- Graphics Processing Unit
- Griffin
- Group Of Pictures
- Gruvi
- GSM
- GSM 800
- gsm 850
- GSM 900
- GSM Association
- GSMA
- GSMA Mobile World Congress
- GUI
- H
- H.264
- HADOPI
- Half D1
- Half-QVGA
- Half-size VGA
- Hardcoded Subtitles
- HbbTV
- HbbTV Consortium
- HCC
- HD
- HD DVD
- HD DVD Promotion Group
- HD DVD-R
- HD DVD-RAM
- HD Ready
- HD VMD
- HDCD
- HDCP
- HDi
- HDMI
- HDTV
- HDV
- HE-AAC
- HE-AAC v2
- Hercules Color Card
- Hercules Graphics Card
- Hertz
- Hexadecatuple Extended Graphics Array
- Hexadecatuple Super Extended Graphics Array
- Hexadecatuple Ultra Extended Graphics Array
- HGC
- Hi-MD
- Hi8
- high capacity minidisc
- High Definition
- High Definition Digital Versatile Disc
- High Definition Versatile Multilayer Discs
- High Density Digital Versatile Disc
- High Resolution Audio
- High-Bandwidth Digital Content Protection
- High-Definition Compact Disc
- High-Definition Compatible Digital
- High-Definition Digital Video
- High-Definition Multimedia Interface
- High-Definition Television
- High-Speed Downlink Packet Access
- Home Theater Personal Computer
- Homebrew
- HQ-VCD
- HQVGA
- HSDPA
- HSPA+
- HSXGA
- HTC Sense
- HTPC
- HTTP 403
- HTTP 404
- Huffyuv
- HUXGA
- HVGA
- HXGA
- Hz
- I
- I Frame
- I-HSPA
- I-MPEG
- IBC
- IBI
- IBM 8514
- IBM CGA
- IBM MDA
- IBP
- IBQ
- ID3
- ID3 Tag
- IDCGISwapChain
- IDCT
- IDE
- IDR Frame
- IDTV
- IDXGIAdapter
- IDXGIDevice
- IDXGIFactory
- IDXGIOutput
- IDXGIResource
- IEEE
- IEEE 802.11i-2004
- IEEE.1394
- IEF
- IFO
- IFPI
- IGZO
- iHD
- ILVU
- IMA
- IMG file
- IMPALA
- Improved-definition Television
- IMRO
- IMZ
- In-Loop Deblocking
- Increased Digital Resolution
- Indeo
- Indeo Video Format
- Independent Music Companies Association
- iNFO File
- InFOrmation
- Initial Standard Profile
- Instant CD/DVD Disc Image
- Institute of Electrical and Electronic Engineers
- Integrated Graphics
- Intel Boot Initiative
- Intel Indeo
- Interactive Software Federation of Europe
- Interlace
- Interleaved Video Units
- Interleaving
- INTERNAL
- International Broadcasting Convention
- International Federation of the Phonographic Industry
- International Telecommunication Union
- Internet HSPA
- Internet Relay Chat
- Internet Watch Foundation
- Interpolation
- Inverse Telecine
- iOS
- iOS 2
- iOS 3
- iOS 4
- iOS 5
- iOS 7
- IPhone SoftWare
- ipsw
- IRC
- Irdeto
- Irdeto 1
- Irdeto 2
- Irish Music Rights Organization
- Irish Recorded Music Association
- IRMA
- ISO
- ISO 13818
- ISO 21000
- ISO 32000
- ISO 9660
- ISO Zipped
- IsoBuster
- ISZ
- ITU
- ITU-R BT.601
- iTunes Video File
- IVF
- IVTC
- IWF
- J
- Jailbreaking
- JEDEC
- Jedec Solid-State Technology Association
- Jelly Bean
- JIF
- Jitter
- Joint Electron Device Engineering Council
- Joint Photographic Experts Group
- Joint Video Team
- Joliet
- JPEG
- JPG
- JSO
- JVT
- K
- K Computer
- K Desktop Environment
- K Video Compression Dynamics
- Kad
- Kademlia
- kB
- kbit
- Kbyte
- KDE
- Kell Factor
- Key Frame
- KeyFly
- KF8
- KiB
- Kibibit
- Kibibyte
- Kibit
- Kilobit
- Kilobyte
- kiloFLOPS
- Kindle Format 8
- Kinect
- KVCD
- Kxploit
- L
- LabelFlash
- Lagarith
- LAME
- LAME Ain't an Mp3 Encoder
- LAN
- 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
- Live Tiles
- LiveArea
- Local Area Network
- Logistep
- Long-Term Evolution
- Long-Term Evolution
- Lossless Compression
- Lossy Compression
- Low Frequency Effects Channel
- LPCM
- LTE
- LTE Advanced
- Lucky and Flo
- Luma
- Lumia
- Luminance
- Luminosity
- M
- M (Mature)
- M-DMC
- M-DMD
- M-DMP
- M-DMS
- M-DMU
- M-JPEG
- M-NCF
- M1V
- M2TS
- M2V
- M3U
- M4A
- M4IF
- M4V
- MacDefender
- Macrium Reflect
- Macrium Reflect Image
- Macroblock
- Macroblock-Adaptive Frame/Field Coding
- Macrovision
- made-for-video
- Magnet
- MainProfile@H-14
- MainProfile@HighLevel
- MainProfile@MainLevel
- MAN
- Mandatory audio
- Mandatory Managed Copy
- manufacturer ID
- Manufacturing On Demand
- MAP
- Master Database File
- Masterbox
- Matrix Surround
- Matroska
- MB
- MBAFF
- Mbit
- Mbyte
- MCGA
- MD Data
- MD5
- MDA
- MDA Card
- MDF file
- MDLP
- MDPA
- MDS file
- Mebibit
- Mebibyte
- Media Access Project
- Media DeScriptor File
- Media Interoperability Unit
- MediaDefender
- MediaGuard 1
- Mediaguard 2
- Mediaguard 3
- MediaMax
- Mega
- Megabit
- Megabyte
- megaFLOPS
- Megapixel
- Memory Controller Gate Array
- Message Digest 5
- Message-Digest Algorithm 5
- Metropolitan Area Network
- MFTP
- MiB
- Mibit
- miCard
- MicroSD
- MicroSD eXtended Capacity
- microSDHC
- microSDXC
- MID
- MIDI
- MIDI Committee of the Association of Musical Electronic Industry
- MIDI Manufacturers Association
- mini Digital Video
- MiniDisc
- MiniDisc Long Play
- MiniDisc-Data
- miniDV
- miniDVD
- miniSD
- miniSD High Capacity
- miniSDHC
- MIPI
- MIU
- MKV
- MMA
- MMC
- MMCA
- MMCmicro
- MMCmobile
- MMCplus
- MNG
- Mobile Digital Media Controller
- Mobile Digital Media Downloader
- Mobile Digital Media Player
- Mobile Digital Media Server
- Mobile Digital Media Uploader
- Mobile Network Connectivity Function
- Mobile World Congress
- MoD
- Mod16
- Modchip
- Monkey's Audio
- Monochrome Display Adapter
- Monochrome Display and Printer Adapter
- Mosquitoes
- Motion Estimation
- Motion JPEG
- Motion Picture Association
- Motion Picture Association of America
- MotoBlur
- Mount Rainier
- MOV
- Moving Picture Experts Group
- Moving Pictures Expert Group
- MP
- MP+
- MP2
- MP3
- MP3 plus Graphics
- MP3+G
- MP4
- MP@H-14
- MP@HL
- MP@ML
- MPA
- MPAA
- MPEG
- MPEG 3 URL
- MPEG Advanced Audio Coding
- MPEG-1
- MPEG-1 Audio Layer III
- MPEG-1 Audio Layer III Plus Graphics
- MPEG-1 IPB videostream
- 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
- Multimedia Interface Card
- MultiMediaCard
- MultiMediaCard Association
- MultiMediaCard Micro
- MultiMediaCard Mobile
- MultiMediaCard Plus
- Multiple Direct Client to Client
- Multiple Program Transport Stream
- Multiple-image Network Graphics
- Multiplexing
- Multisession
- Multisource File Transfer Protocol
- Musepack (MP+)
- Music Industry Piracy Investigations
- Musical Instrument Digital Interface
- MusicDNA
- Muxing
- mux_rate
- MWC
- N
- NAB
- Nagravision
- Nagravision 3
- Nagravision Aladin
- Nagravision Cardmagedon
- Nagware
- Napster
- National Association of Broadcasters
- National Association of Theater Owners
- National Music Publishers Association
- National Television System Committee
- Native Resolution
- NATO
- Navigation Stream
- NDS
- NDS VideoGuard
- NDSL
- Near Field Communication
- Neotion SHL
- Neotioncrypt
- Nero Digital
- Nero Digital AVC
- New Technology File System
- NewZBin
- Next Generation Video Gaming Card
- NFC
- NFO
- Nickname Service
- Nickserv
- Nintendo DS
- Nintendo DS Lite
- Nintendo DSi
- Nintendo DSi LL
- NMPA
- Noise
- Not Found
- NRG
- NTFS
- NTSC
- NUKED
- NVG Card
- NVIDIA Optimus
- Nyquist Frequency
- Nyquist-Shannon Sampling Theorem
- NZB
- O
- O&O DiskImage
- ODB
- ODF
- ODG
- ODP
- ODS
- ODT
- OEM
- Ofcom
- Ogg
- Ogg Media
- Ogg Tarkin
- Ogg Theora
- Ogg Vorbis
- OGM
- OHA
- OMA
- OMG
- OmniCrypt
- On The Fly
- on the fly encryption
- Online Copyright Infringement Liability Limitation Act
- Open Captions
- Open FastTrack
- Open Graphics Library
- Open Handset Alliance
- Open Rights Group
- OpenDocumentFormat
- OpenFT
- OpenGL
- OpenMG
- Opposite Track Path
- OptimFROG
- OptimFROG DualStream
- ORG
- Original Equipment Manufacturer
- OTA
- P
- P&S
- P-CAV
- P-frame
- P2P
- Pack
- Packed Format
- Packet
- PAL
- Pan & Scan
- Pan-European Game Information
- PAR
- Parallel ATA
- Parallel Track Path
- Partial CAV
- Partial-Constant Angular Velocity
- Partimage
- PARTIMG
- PARTIMG.BZ2
- PARTIMG.GZ
- Partition
- PASC
- Passive-Matrix
- PATA
- Patch Tuesday
- Paul Dirac
- PB
- Pbit
- PCeU
- PDI
- PDMI
- PDP
- PDVD
- Pebibit
- Pebibyte
- Peer-to-peer
- PeerDNS
- PEGI
- PEGI 12
- PEGI 16
- PEGI 18
- PEGI 3
- PEGI 7
- PEGI OK
- Period
- Personal Video Recorder
- Petabit
- Petabyte
- petaFLOPS
- PGC
- Phantom DSL
- Phase
- Phase Alternating Line
- Phorm
- PiB
- Pibit
- PicAFF
- Picture Element
- Picture In Picture
- Picture Outside Picture
- Picture-Level Frame/Field Coding
- Pillarbox
- PIP
- Pirated DVD
- Pit
- Pixel
- Pixel Aspect Ratio
- Place Shifting
- Planar Format
- Plasma display
- PlayStation Move
- Playstation Portable
- Playstation Portable Slim and Lite
- PlayStation Vita
- PNG
- PoE
- POP
- Portable Device Media Interface
- Portable Document Format
- Portable Network Graphics
- Power over Ethernet
- PowerPoint Slideshow
- PowerVu
- PowerVu+
- PPS
- PPT
- PPVRip
- PQDI
- PQI
- Pre-shared Key
- Precision Adaptive Sub-band Coding
- Predictive video frame
- Presentation Stream
- Profile
- Profile 1.0
- Profile 1.1
- Profile 2.0
- Program Chain
- Progressive
- Prohibited User Operation
- Project Natal
- PROPER
- Prosumer
- PS
- PS Jailbreak
- PSfreedom
- PSgroove
- PSK
- PSP
- PSP Go!
- PSPgo
- PSVita
- PSX DVR
- PTP
- Public Knowledge
- Pulldown
- PUO
- PVR
- Pwn2Own
- PX
- Q
- Q-Pel
- QAM
- QCIF
- Qflix
- Qpel
- QQVGA
- QSXGA
- QT
- Quad eXtended Graphics Array
- Quad HDTV
- Quad Super Extended Graphics Array
- Quad Ultra Extended Graphics Array
- QuadHD
- Quadrature amplitude modulation
- Quarter Common Intermediate Format
- Quarter D1
- Quarter Pixel Motion Estimation
- Quarter VGA
- Quarter-QVGA
- QuickTime
- QuickTime Movie
- QUXGA
- QVGA
- QXGA
- R
- R'G'B'
- R5
- RA
- ram
- RAM Promotion Group
- RAMbo Drive
- RAMDAC
- RAMPRG
- Random access
- Random access memory
- Random Access Memory Digital-to-Analog Converter
- RapidDrive
- RAR
- RAS
- RAW
- Raw DV
- RAW Video
- RCE
- RDOD
- RealAudio
- RealDVD
- RealMedia
- RealMedia Variable Bitrate
- RealVideo
- Rear Channel
- Rec.601
- Recording Industry Association of America
- Red Dot of Death
- Red Green Blue
- Red Ring of Death
- Reduced-Size MultiMediaCard
- Region 0 DVD
- Region 1 DVD
- Region 2 DVD
- Region 3 DVD
- Region 4 DVD
- Region 5
- Region 5 DVD
- Region 6 DVD
- Region 7 DVD
- Region 8 DVD
- Region code
- Region Coding Enhancement
- Region Free
- Region-code enhanced
- Regional-Playback Control
- Release to Manufacturing
- Remote Authorization System
- Remote Storage - Digital Video Recorder
- REPACK
- Resolution
- Resource Interchange File Format
- Retina Display
- Reverse Telecine
- RGB
- RIAA
- RIFF-WAV
- Right
- Right Channel
- Right Surround
- Right Surround Channel
- Rijndael
- Rip
- RipGuard
- Riplock
- RM
- rmvb
- ROM Mark
- Roms
- Roshal ARchive
- RossCrypt
- RP (Ratings Pending)
- RPC
- RPC-1
- RPC-2
- RROD
- RS-DVR
- RS-MMC
- RSDL
- rtm
- RusCrypto
- Rustock
- S
- S-VHS
- S-VHS-C
- S-Video
- S/N
- S/PDIF
- SACD
- Sample
- Samplerate
- Sampling Frequency
- Sampling Theorem
- SAR
- SATA
- SATA 1
- SATA II
- SATA2
- SBR
- Scanline
- Scareware
- SCMS
- Screener
- SCSA
- SD
- SD Card Association
- SD Plus
- SDA
- SDDS
- SDHC
- SDIO
- SDRAM
- SDSL
- SDTV
- SDV
- SDXC
- SECAM
- SecurDisc
- Secure Content Storage Association
- Secure Digital (SD) Memory Cards
- Secure Digital eXtended Capacity
- Secure Digital High Capacity
- Secure Digital Input Output
- Secure Digital Plus
- Secure Sockets Layer
- SecureMMC
- Seedbox
- Seeding
- Selectable Output Control
- Self Mounting Image
- Sense 3.5
- Separated Video
- Sequential Colour with Memory
- Sequential Couleur Avec Memoire
- Serial ATA
- Serial Copy Management System
- Service Set Identifier
- SESAC
- Session
- Set-Top Box
- Set-Top Unit
- SFV
- Shareware
- SheerVideo
- SHN
- Shockwave Flash
- Shorten
- SHV
- SIF
- Signal Aspect Ratio
- Signal-to-Noise ratio
- SIIA
- SIMM
- Simple File Verification
- Simple Profile
- Single layer Blu-ray disc
- Single Program Transport Stream
- Single Sided Dual Layer
- Single Sided Single Layer
- Siri
- Sixaxis
- SkyCrypt
- Smacker
- Smacker Video
- Small Outline Dual In-line Memory Module
- SmartGlass
- SMF
- SMI
- SMPTE
- SMPTE 421M
- snow
- SNR
- SOC
- SOCAN
- Society of Composers, Authors and Music Publishers of Canada
- Society of European Stage Authors & Composers
- Society of Motion Picture and Television Engineers
- SODIMM
- Software and Information Industry Association
- Sony Dynamic Digital Sound
- Sony/Philips Digital Interconnect Format
- SOPA
- SOUNDabout Lossless
- SoundExchange
- SoundVQ
- SP
- Spambot
- SPDIF
- Speedmenu
- SPTS
- SRT
- SSA
- SSDL
- SSID
- SSL
- SSSL
- Standard Definition
- Standard Digital Television
- Standard Interchange Format
- Standard MIDI File
- STB
- Steam
- Stop Online Piracy Act
- Storage Aspect Ratio
- straight-to-DVD
- straight-to-video
- Stream Capture
- Streaming
- STU
- Stuxnet
- STV
- SubRip Subtitle File
- SubStation Alpha
- Super eXtended Graphics Array
- Super eXtended Graphics Array Plus
- Super Hi-Vision
- Super Multi
- Super VGA
- Super Video Graphics Array
- Super-Resolution
- SuperAudioCD
- SuperVCD
- SuperVHS
- SuperVideoCD
- Surround
- Surround Channel
- Surround Sound
- SVCD
- SVGA
- SVHS
- Swap Magic
- Swaploit
- swf
- Switched Digital Video
- SWM
- SXGA
- SXGA+
- SXGA-
- Symmetrical DSL
- T
- T (Teen)
- T-Crypt
- Table Of Contents
- Taiyo Yuden
- TAO
- TB
- Tbit
- Tbyte
- TC
- TDSS
- TDSServ
- Tebibit
- Tebibyte
- Telecide
- Telecine
- Temporal Key Integrity Protocol
- Terabit
- Terabyte
- teraFLOPS
- Tethering
- TF
- ThalesCrypt
- THD
- The Independent Game developer Association
- The Onion Router
- Theora
- Third Generation Partnership Project 2
- THX
- Tianhe-1A
- TiB
- TIB (format)
- Tibit
- Tidserv
- TIGA
- Time Shifting
- Time to Live
- Titan
- Title
- TiVo
- TKIP
- TMDS
- TOC
- Tomlinson Holman's eXperiment
- Top Field First
- TOR
- Torrent
- Total HD
- Total Hi Defintion Disc
- TouchWiz
- TouchWiz 3.0
- TouchWiz 4.0
- TouchWiz UX
- TPS-Crypt
- Track
- Tracker
- Track_At_Once
- Transcoding
- TransFlash
- Transition Minimized Differential Signaling
- Triple play
- True Audio
- True Cinema
- TrueImage
- TrustedFlash
- TTA
- TTL
- TurboCore
- TV Line
- TV Lines per Picture Height
- TV-RIP
- TwinVQ
- TY
- Type 1 DV
- Type 2 DV
- U
- UAA
- UDF
- UDF 1.02
- UDF 1.50
- UDF 2.00
- UDF 2.50
- UDF 2.60
- UDF Bridge
- UDF/ISO
- UDIF
- UEFI
- UER
- UHDTV
- UHDV
- UIF
- UKIE
- Ultra Definition
- Ultra eXtended Graphics Array
- Ultra High Definition Television
- Ultra High Definition Video
- Ultra VGA
- Ultra Video Graphics Array
- Ultrabook
- UltraISO
- UltraViolet
- UMA
- UMD
- Unified EFI Forum
- Unified Extensible Firmware Interface
- Uniform Resource Locator
- Universal Audio Architecture
- Universal Disk Format
- Universal Disk Image Format
- Universal Image Format
- Universal Media Disc
- Universal Plug and Play
- Universal Serial Bus
- Unlicensed Mobile Access
- UOP
- UPnP
- Upscaling
- url
- USB
- USB 1.1
- USB 2.0
- USB 3.0
- Usenet
- User Operation Prohibitions
- ustom Electronics Design and Installation Association
- UVGA
- UXGA
- V
- V2000
- V2I
- V422
- Variable Bitrate
- Variable Block-Size Motion Compensation
- Variable Framerate
- VBR
- VBSMC
- VC-1
- VC4
- VCC
- VCD
- VCPS
- VDI
- Vector Quantization Format
- Versatile Multilayer Disc
- Vertical Helix Scan
- VESA
- VFD
- VFR
- VfW
- VGA
- VGA2EGA
- VHD
- VHS
- VHS-C
- VHSRip
- Viaccess
- Viaccess 1
- Viaccess 2
- Viaccess 3
- Viaccess PC2.3
- Viaccess PC2.4
- Viaccess PC2.5
- Viaccess PC2.6
- Viaccess PC3.0
- Video 2000
- Video Capture
- Video Coding 1
- Video Compact Cassette
- Video Compression 1
- Video Content Protection System
- Video Electronic Standards Association
- Video for Windows
- Video Graphics Array
- Video Home System
- Video Manager Group
- Video Object
- Video OBject Unit
- Video Standards Council
- Video Title Set
- Video8
- VideoCD
- Videotape
- VIDEO_RM
- VIDEO_TS
- Virtual CD
- Virtual Disk Image
- Virtual drive
- Virtual Hard Disk
- Virtual Machine Disk Format
- Virtual Network Computing
- VirtualBox
- VirtualPC
- Visual Resolution
- VMD
- VMDK
- VMG
- VNC
- VOB
- VOBU
- Vorbis
- VP3
- VP8
- VQF
- VSC
- VTS
- W
- Waledac
- Walkman
- WAN
- Warez
- Watermarks
- WAV
- Waveform Audio Format
- WebGL
- WebM
- webOS
- WEP
- WEP2
- WEPplus
- WGA
- Which?
- White Hat
- white noise
- White Spaces Coalition
- WHSXGA
- WHUXGA
- WHXGA
- Wi-Fi Direct
- Wi-Fi Protected Access
- Wide Area Network
- Wide Hexadecatuple Extended Graphics Array
- Wide Hexadecatuple Super Extended Graphics Array
- Wide Hexadecatuple Ultra Extended Graphics Array
- Wide Quad eXtended Graphics Array
- Wide Quad Super Extended Graphics Array
- Wide Quad Ultra Extended Graphics Array
- Wide QVGA
- Wide VGA
- Wide XGA
- Widescreen
- Widescreen Ultra eXtended Graphics Array
- WiGig
- WiHD
- WIM
- WiMAX
- WiMAX 2
- WiMAX Forum
- Windows Genuine Advantage
- Windows Imaging Format
- Windows Media
- Windows Media Audio
- Windows Media Format
- Windows Media Lossless
- Windows Media Player
- Windows Media Video
- Windows Media Video 9
- WIPO
- WIPO Copyright and Performances and Phonograms Treaties Implementation Act
- Wired Equivalent Privacy
- Wireless Gigabit
- Wireless Gigabit Alliance
- WirelessHD
- WMA
- WMA plus Graphics
- WMA+G
- WMF
- WMP
- WMV
- WMV HD
- wobble groove
- Workprint
- World Intellectual Property Organization
- Worldwide Developers Conference
- Worldwide Interoperability for Microwave Access.
- WPA
- WPA2
- WQSXGA
- WQUXGA
- WQVGA
- WQXGA
- Wrapper
- WSC
- WSXGA
- WUXGA
- WVGA
- WWDC
- WXGA
- WXGA+
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