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Specific Area Message Encoding (SAME) is a protocol used for framing and classification of broadcasting emergency warning messages. It was developed by the United States National Weather Service for use on its NOAA Weather Radio (NWR) network, and was later adopted by the Federal Communications Commission for the Emergency Alert System, then subsequently by Environment Canada for use on its ...
FAAD2 – open-source decoder for Advanced Audio Coding. There is also FAAC, the same project's encoder, but it is proprietary (but still free of charge). libgsm – Lossy compression ; opencore-amr – Lossy compression (AMR and AMR-WB) liba52 – a free ATSC A/52 stream decoder (AC-3) libdca – a free DTS Coherent Acoustics decoder
The Common Alerting Protocol (CAP) is an XML-based data format for exchanging public warnings and emergencies between alerting technologies. CAP allows a warning message to be consistently disseminated simultaneously over many warning systems to many applications, such as Google Public Alerts and Cell Broadcast.
IPAWS can be used to distribute alert information to EAS participants, supported mobile phones (Wireless Emergency Alerts), and other platforms. [60] IPAWS also allows the audio portion of an EAS message to utilize higher quality digital audio, rather than needing to carry the audio off-air from the originating station. [61] [62]
WavPack compression can compress (and losslessly restore) 8, 16, 24, and 32-bit fixed-point, and 32-bit floating-point PCM audio files in the .WAV file format. It can also handle DSD input in DSDIFF or DSF format. [2] It also supports surround sound streams and high sampling rates. Like other lossless compression schemes, the data reduction ...
FEMA-provided audio file of the SAME alert header, followed by the combined 853 Hz and 960 Hz Warning Alert Tone, followed by the SAME end-of-message (EOM) tone All U.S. and Canadian stations transmit SAME codes a few seconds before the 1,050 Hz attention tone that allows more advanced receivers to respond only for certain warnings that carry a ...
audio recorder GPL-2.0-or-later: Gnome Wave Cleaner: Jeff Welty Yes No No GTK+ audio editor GPL-2.0-or-later: Jokosher: Jokosher community Yes No Yes GTK+ GPL-2.0-only with exception LMMS: Tobias Doerffel Yes Yes as of 0.4.0 with Qt4 Yes Qt multi-track audio editor intended as a replacement for Cubase-like software GPL-2.0-or-later: MusE: Yes ...
Vorbis is a free and open-source software project headed by the Xiph.Org Foundation. The project produces an audio coding format and software reference encoder/decoder for lossy audio compression, libvorbis. [10] Vorbis is most commonly used in conjunction with the Ogg container format [11] and it is therefore often referred to as Ogg Vorbis.