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This is a listing of open-source codecs—that is, open-source software implementations of audio or video coding formats, audio codecs and video codecs respectively. Many of the codecs listed implement media formats that are restricted by patents and are hence not open formats.
It enables users to convert videos into formats like AVI, ASF, WMV, MP4, 3GP, etc. [1] [5] It offers the ability to convert DVDs into various formats. [6] It provides tools for adjusting colour and filter options. [7] [8] Prism Video File Converter provides several customizable options for tweaking the output files during the conversion process.
3GP is defined in the ETSI 3GPP technical specification. [1] 3GP is a required file format for video and associated speech/audio media types and timed text in ETSI 3GPP technical specifications for IP Multimedia Subsystem (IMS), Multimedia Messaging Service (MMS), Multimedia Broadcast/Multicast Service (MBMS) and Transparent end-to-end Packet-switched Streaming Service ().
OpenBSC was a project to develop a free software implementation of GSM protocol stack and elements. It runs on Linux and requires an E1 interface (ISDN Primary Rate Interface , via mISDN ). It is written in C and licensed using the GPL (≥v2) license.
Needs multiple files [T] Enhanced VOB (EVO) .evo DVD Forum: 2006-03 Patent encumbered [25] Yes Yes Yes No No Needs multiple files [U] 3GPP (3GP) .3gp 3GPP: 2003-04 Patent encumbered Yes Yes Yes Yes [27] Yes No 3GPP2 (3G2) .3g2 3GPP2: 2004-01 Patent encumbered Yes Yes Yes Yes Yes No Flash Video (F4V) .f4v [V] Adobe Inc. 2007-12 Patent encumbered ...
The Download Delivery Method is intended for “download and play” services. A File Repair service may be offered to compensate for unreliable delivery. MBMS has been standardized in various groups of 3GPP (Third Generation Partnership Project), and the first phase standards are found in UMTS release 6.
Growl – global notifications system, free; iSync – syncing software, bundled with Mac OS X up to 10.6; LaunchBar – provides instant access to local data, search engines and more by entering abbreviations of search item names, commercial; MacKeeper – cleanup utility; Mavis Beacon Teaches Typing – proprietary, typing tutor
The Adaptive Multi-Rate (AMR, AMR-NB or GSM-AMR) audio codec is an audio compression format optimized for speech coding. AMR is a multi-rate narrowband speech codec that encodes narrowband (200–3400 Hz) signals at variable bit rates ranging from 4.75 to 12.2 kbit/s with toll quality [ 3 ] speech starting at 7.4 kbit/s.