![]() ![]() ![]() Please see the help file on the HotPaw website for hints as to how to solve decoding issues. The audio may come either from the built-in microphone or from another device, such as a radio, via an audio cable. Optionally highlights Ham callsigns and keywords. Optimized for decoding weak, fading signals in the presence of interference, especially on the Amateur Radio bands. Decoding will not work if the audio filter or WPM are set incorrectly, or there is a lot of background noise or room echoes above the threshold setting. Morse Expert decodes Morse Code audio to text. or background noise threshold level properly. Please use the manual settings if automatic decoding does not adjust to the frequency, WPM. You can see if sound is getting to the iPhone by seeing a peak in the spectrum display. Please aim your iPhone microphone at the Morse Code sound source so that the iPhone's noise cancelling microphone doesn't cancel it out. A QRQ High Speed WPM mode setting allows decoding much higher WPM speeds in the range of 30 to 80 WPM. You can also manually set the WPM code speed if the automatic speed detection guesses incorrectly. The Morse code WPM (words per minute) detection speed is automatically adaptive from about 8 to 40 WPM, and can be locked to the current estimated WPM dot speed. Please do not try to decode tones outside this range. ![]() If youd like to translate or decipher Morse code and if you do not know how to read it, you can use an online Morse code translator. Apart from this audio clips in morse code will also help you to understand the language thoroughly. The audio filter works for tone frequencies from 300 to 2400 Hz. Try to visualize the morse code text, again and again, to capture it easily. Use the optional narrow-band DSP audio filter to help filter out background noise. The Morse Code Decoder includes a built-in spectrogram to help determine the audio frequency of the Morse Code tones. Manually adjustable parameters include the frequency of the audio filter, the WPM dot/dash speed used for detecting characters, the threshold level of background noise, and whether Farnsworth timing is to be used for detecting spaces between individual characters. The Morse Code Decoder includes both an automatic decoding mode, plus manual controls to allow the decoding of weaker signals in noise and QRM. Just use the microphone or headset input on your iPhone or iPad for the audio signal input, and watch decoded text appear. This is probably the simplest decoder possible, and thus its logic. This is short demo of my new mobile application GGMorse for real-time audio decoding of Morse Code.The speaker behind the phone plays a recording of CW trans. The HotPaw Morse Code Decoder translates Morse Code sound into text. Rostislav Persion wrote a simple Morse Code decoder to run on his Arduino and display the text on an LCD shield. ![]()
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