1. Two Tone Decoder Software

• HamScope
  HamScope is a freeware windows multi-mode communications package for amateur radio that supports: PSK31 BPSK and QPSK RTTY ASCII MFSK16 PACKET CW. Support radio control interface for several ICOM, TenTec, Kenwood, and Yaesu transceivers. Compatible with DXbase LOGic 7 RYLogit TRX-Manager YPLOG. By KD5HIO Glen
• CwGet
  A program to decode morse code (CW) via sound card to text. It can work as narrow-band sound DSP-filter also. No additional hardware required — you need only receiver and computer with a sound card. Can integrate with AALog logger.
• CW Decoder
  This program allows CW operators to copy CW code with a computer. The decoded CW is displayed as text or can generate a side tone. There is a spectrum display of the audio with a sliding cursor to select a particular audio for decoding. The program also allows for keying a transmitter from the keyboard with full CW break-in operation.
• MRP40 Morse Decoder
  Program to receive morse code via sound card, Windows 9x/Me/XP, it allows to transmit morse code from the keyboard. Includes a comfortable Audio Analyzer Display. Successor of known MRP37
• CW Decoder
  Decode and trasmit morse code, 5 to 50 wpm ,keep hands on the keyboard, mouse free transmit/receive operation.
• 59+ CW
  Freeware Win32 application can be used for sending CW signal to the transceiver over a COM port or simply listening to Morse code on the speaker. The application is very easy to configure and will allow you to you to add new Morse characters set speed, tone, dash, dot, PTT line delay and other parameters. It is also possible to set shortcuts for call, QTH, name, RST and ANY other QSO field.

• 59+ CW- Freeware Win32 application can be used for sending CW signal to the transceiver over a COM port or simply listening to Morse code on the speaker. The application is very easy to configure and will allow you to you to add new Morse characters set speed, tone, dash, dot, PTT line delay and other parameters. It is also possible to set shortcuts for call, QTH, name, RST and ANY other QSO field.
• Argo- Argo is a freeware windows viewer for MTHELL, Slow CW, like QRSS and DFCW. Can be used for EME operations by I2PHD and IK2CZL
  [ Hits: 5100 | Votes: 6 | Rating: 5.83 ]
• Black Cat CW Keyer- Black Cat CW Keyer for Macintosh lets you send morse code from your computer. You can type out the text to be sent (immediately or buffered) as well as create and send from one key
• CW Decoder^pop- This program allows CW operators to copy CW code with a computer. The decoded CW is displayed as text or can generate a side tone. There is a spectrum display of the audio with a sliding cursor to select a particular audio for decoding. The program also allows for keying a transmitter from the keyboard with full CW break-in operation.
  [ Hits: 47821 | Votes: 58 | Rating: 6.41 ]
• CW Decoder^updated- Decode and trasmit morse code, 5 to 50 wpm ,keep hands on the keyboard, mouse free transmit/receive operation.
• CW Decoder- This free windows program allows CW operators to copy CW code with a computer. The decoded CW is displayed as text or can generate a side tone. There is a spectrum display of the audio with a sliding cursor to select a particular audio for decoding. The program also allows for keying a transmitter from the keyboard with full CW break-in operation.
  [ Hits: 2816 | Votes: 5 | Rating: 6.6 ]
• CW Decoder Logic- Free CW morse code decoder software for Windows versions : Vista sp2, 7, 8, 10. Decode CW signals with auto tracking features, auto detection of speed
• CW Skimmer- Multi-channel CW decoder and analyzerfor Windows XP/7/8/10. Simulatneously decode ALL cw signals in the receiver passband - up to 700 signals can be decoded in parallel and extract call sign
  [ Hits: 6931 | Votes: 8 | Rating: 4.88 ]
• CwGet^pop- A program to decode morse code (CW) via sound card to text. It can work as narrow-band sound DSP-filter also. No additional hardware required — you need only receiver and computer with a sound card. Can integrate with AALog logger.
• CwGet PPC- A program to decode Morse code via sound input of PDA to text. No additional hardware required - your need only receiver and PDA with sound input. Built-in microphone of device can be used also.
  [ Hits: 3842 | Votes: 6 | Rating: 7.5 ]
• CWLab02- CW and CCW Sending and Receiving Program.Improved CW, Easy to use CCW, Sending in same Window
• CWLab04X- Labview-based Morse code Program. Send and Receive both CW and CCW run under windows.
  [ Hits: 1670 | Votes: 1 | Rating: 2 ]
• CwType- The terminal program for CW-operators. You can transmit both from the keyboard and from a paddle connected to game or LPT ports. You can also operate in paddle iambic mode. Control of the transceiver (PTT and CW keying) is made through one of the COM or LPT ports. CwType can integrate with AALog software
• EhoCW- CW Keyer software by F8EHO keyer and decoder functions, with interfaces with emitter/Receiver, memories, variables for call sign, mp3 and wav morse conversion, direct keyboard keying, joystick or serial interface for a morse key
  [ Hits: 4222 | Votes: 8 | Rating: 8.25 ]
• EhoCW- EhoCw is a freeware morse keyer software and a morse code generator and even a morse code decoder.It runs on your PC under windows (from NT to Vista, windows 7). This software can be used efficiently by any telegraphist, confirmed or beginner who wants to use his personnal computer as a memory keyer, you can use it to learn morse code and you can use it to decode morse code
• HamScope^updatedpop- HamScope is a freeware windows multi-mode communications package for amateur radio that supports: PSK31 BPSK and QPSK RTTY ASCII MFSK16 PACKET CW. Support radio control interface for several ICOM, TenTec, Kenwood, and Yaesu transceivers. Compatible with DXbase LOGic 7 RYLogit TRX-Manager YPLOG. By KD5HIO Glen
  [ Hits: 116085 | Votes: 254 | Rating: 6.89 ]
• Morse Code Audio Decoder- An online CW audio decoder tool made for listening to, analysing and decoding Morse code.This can be done either playing a morse code audio file or connecting your compure line in. This fantastic tool, works only with some browsers and is all done in javascript using the Web Audio API.
• Morse Code MIDI & Text Generator- Online morse code MIDI & text generator.
  [ Hits: 1977 | Votes: 18 | Rating: 5.17 ]
• Morse code ringtone generator- This page converts text into a morse code ringtone playable on most mobile phones.
• Morse Code Translator - Translate text into Morse Code and vice versa online.
  [ Hits: 1845 | Votes: 10 | Rating: 3.11 ]
• Morse Code Translator- An online morse code transaltor and encoder that can also translate morse code into text, you can even convert any text to a morse code audio wav file controlling pitch, speed and wpm, fully written in html5 and javascript.
• Morse Decoder CWRX- A danish program capable to receive and decode morse code, free for windows
  [ Hits: 1530 | Votes: 0 | Rating: 0 ]
• MorseDecoder- HotPaw MorseDecoder for iPhone and iPad. Translates sounds from mic to text. Includes a DSP narrow band filter.
• MorseGen v1.2- MorseGen converts text into a WAVE file of Morse code. The Tone and Speed are adjustable and the WAVE file can be repeated at a pre-set interval allowing it to be used as a CW Ident for amateur radio applications which require it.
  [ Hits: 2432 | Votes: 6 | Rating: 7 ]
• MRP40 Morse Decoder^pop- Program to receive morse code via sound card, Windows 9x/Me/XP, it allows to transmit morse code from the keyboard. Includes a comfortable Audio Analyzer Display. Successor of known MRP37
• MultiKeyer- MultiKeyer is a computer keying program that supports both CW and Phone messages:CW EME Auto mode sends timed CW messages for EME and Meteor Scatter operation CW 'Contest' mode sends Auto CQ, plus preprogrammed messagesSequenced Phone mode transmits prerecorded .wav files for Meteor Scatter operation Auto Phone mode transmits prerecorded .wav files for contest operation
  [ Hits: 2863 | Votes: 1 | Rating: 5 ]
• Precision CW- Software to train reading Morse code or software to run CW mode or even COHERENT CW mode on your amateur radio equipment from your PC.
• RSCW- RSCW is a Linux/Unix program for decoding morse signals using the computer's sound card. It has been written/optimized for digging weak signals out of the noise.
  [ Hits: 3531 | Votes: 1 | Rating: 10 ]
• The HotPaw Morse Code Decoder- The HotPaw Morse Code Decoder decodes the tones of Morse Code characters from audio input, and transcribes the results into text. Commercial App for MacOS X. Price USD 19.99

Dashmount 2-Tone, 5-Tone, DTMF & Pulse Tone Decoder with ANI. The UD-1B DMH is a DTMF decoder mounted in a sturdy dashmount box. It can also ANI and transpond in DTMF. UE-1 2-Tone, 5-Tone, DTMF & Pulse Tone. One thing I would love to create is a subaudible tone decoder. For those that don't know what these are. Satellite radio networks send down a 25hz, or 35 hz audio tone that the local radio station detects in order to play its local spots. I was wondering if I could build such a decoder using the Arduino, via one of the analog input pins. CW Decoder This program allows CW operators to copy CW code with a computer. The decoded CW is displayed as text or can generate a side tone. There is a spectrum display of the audio with a sliding cursor to select a particular audio for decoding. The program also allows for keying a transmitter from the keyboard with full CW break-in operation.

The FX517 is a five-tone, selective call, encoder-decoder with group calling function, high noise immunity, transpond facility, and sinewave output. How it works: ComTekk 2-Tone Decoder utilizes the latest in Digital Signal Processing (DSP) technology to instantly and accurately measure the frequencies of a received two-tone paging signal or 'fire dispatch tone out' signal.

Software

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Software : Morse Code

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software is an essential tool for audiotechnicians, police officers, forensic technicians, countermeasures technicians, and other audio related fields. The program provides the user a audio spectrum analyzer that is powerful and simple to use without complicated menus and setup requirements. If you require a complicated engineering program that costs hundreds - thousands of dollars, this is not the program for you.

Why use an audio spectrum analyzer? For those of you that have done video installations, would you install a camera and lens without a monitor to see what you are doing? Why would you do an audio installation without seeing what you are doing? The analyzer gives you an inexpensive method to install audio systems (microphones, amplifiers, equalizers, concealments, etc) using a laptop computer, internal or external sound card, and the software. For those that want to evaluate products in a general way, the software can tell you some of the characteristics such as bandwidth, dynamic range, and frequency response curve.

The features of the software include a 2048 FFT Spectrum Analyzer, a WAV recorder / player with built in looping, a sine wave and white noise generator, a simple oscilloscope, and a DTMF decoder for decoding recorded DTMF tones from WAV files with a 45 character display window. DTMF decoding in real time from WAV files or high speed DTMF decoding from the file (faster than real time). The software uses the built in microphone / line / aux / CD inputs from your internal or external sound card. The analyzer provides the capability to store and recall audio spectrums, print spectrums, applying gain to the signal, and load saved spectrums behind active inputs.

Other features include peak frequency display, spectrum hold and freeze, cursor identification of measured frequency and decibel level, splitting WAV files, normalizing files (automatically adjusting to maximum record levels), converting files to a standard 44.1 sample rate, converting MP3 files to WAV files, level indicators beside the analyzer and in the WAV player, adjusting color schemes, saving your favorite settings as the default setting, and loading other saved setting of choice.

The software features a standard WAV player with built in loop function, display of file name, sample rate, bit resolution, elapsed time, remaining time, level indicator, play, record, pause, and a high speed WAV file scan for DTMF tone decoding.
The Analyzer section gives the user control of spectrum update / decay rate, frequency bandwidth, gain, freezing a spectrum, automatically reading the peak frequency, holding the peaks, and spectrum grid.
The DTMF decoder section has an adjustable frequency matrix providing the user with a means to decode off frequency audio files due to incorrect record or playback speeds from analog recorders.The Generator function provides the user with some simple test features for setting record levels, evaluating equipment, and viewing audio in the time domain.

Two Tone Decoder Software

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