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CW Skimmer uses a sensitive CW decoding algorithm based on the methods of Bayesian statistics, which allows simultaneous decoding of all CW signals in the receiver passband. The call signs are extracted from the decoded messages and displayed next to the signal traces on the waterfall.
Multi-decoder: finds and decodes all FT8 signals in passband; Auto-sequencing after manual start of QSO; Compared to the so-called "slow modes" (JT9, JT65, QRA64), FT8 is a few decibels less sensitive, but allows completion of QSOs four times faster. Bandwidth is greater than JT9, but about one-quarter of JT65A and less than one-half of QRA64.
The National Radio Systems Committee has introduced a unique Radio Data System Program Identification code for US FM translators. One type of metadata transmitted by RDS subcarrier is the PI code, which is used by the receiver to uniquely identify the audio program being broadcast by the FM station.
There are roughly 80 different event codes that are used in EAS. These codes are defined federally by the FCC for use in the EAS system and publicly by the Consumer Electronics Association (CEA) standard for SAME protocol weather radio receiver decoder units.
morse code decoding EchoLink: Freeware: Windows, iOS, Android: VoIP IRLP: Proprietary: Linux: VoIP Fldigi: GPL: Windows, macOS, Linux, Android, FreeBSD: Modem for RTTY, (B)PSK, CW, Feld Hell, MFSK, Oliva, and more. Flrig: Rig control companion program Flarq: Automatic Repeat reQuest companion program for Fldigi GNU Radio: GPL: Windows, macOS, Linux
See media help. The International Radiotelephony Spelling Alphabet or simply Radiotelephony Spelling Alphabet, commonly known as the NATO phonetic alphabet, is the most widely used set of clear-code words for communicating the letters of the Roman alphabet. Technically a radiotelephonic spelling alphabet, it goes by various names, including ...
WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions. Transmissions carry a station's callsign, Maidenhead grid locator, and transmitter power in dBm. The program can decode signals with a signal-to-noise ratio as low as −28 dB in a 2500 Hz bandwidth. [2]
Tuner2.com list of Internet radio stations using aacPlus; RadioFeeds UK & Ireland (AAC+) UK terrestrial radio stations streaming online in aacPlus format; aacPlus explained; Open Source AAC codec FAAC (encoder) and FAAD2 (decoder) Reworked HE-AAC encoder aacplusenc (Windows binary aacplusenc.exe only goes to 51 kbit/s.)
An audio codec, or audio decoder is a device or computer program capable of encoding or decoding a digital data stream (a codec) that encodes or decodes audio. In software, an audio codec is a computer program implementing an algorithm that compresses and decompresses digital audio data according to a given audio file or streaming media audio coding format.
The AMR codec uses eight source codecs with bit-rates of 12.2, 10.2, 7.95, 7.40, 6.70, 5.90, 5.15 and 4.75 kbit/s. Generates frame length of 95, 103, 118, 134, 148, 159, 204, or 244 bits for AMR FR bit rates 4.75, 5.15, 5.90, 6.70, 7.40, 7.95, 10.2, or 12.2 kbit/s, respectively. AMR HR frame lengths are different.