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Morse Code Tone Generator

Audio and Timing · Visual Morse laboratory

Morse Code Tone Generator

Build and compare continuous-wave practice tones, select pitch and rise/fall shaping, key dots or dashes manually and measure the resulting tone period.

Independent calculatorBrowser-local processingLive visual output
Primary intentmorse code tone generator
MethodAudio and Timing
ExampleA 700 Hz tone has a period of about 1.429…
PrivacyRuns in your browser
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Quick answer

Use the visual calculator

Build and compare continuous-wave practice tones, select pitch and rise/fall shaping, key dots or dashes manually and measure the resulting tone period.

Worked example: A 700 Hz tone has a period of about 1.429 ms; at 20 WPM a dot lasts 60 ms.

Calculator at a glance

InputsFrequency, Waveform and volume, Rise/fall time, WPM
OutputsLive oscillator, Oscilloscope preview, Tone period and keying duration
VisualOscilloscope
1

Morse Code Tone Generator

Adjust the method-specific controls and inspect both the calculated result and the synchronized visual.

1

Enter settings

These controls belong specifically to this calculator.

2

Live visual

The diagram, signal, chart or interactive surface updates with the calculation.

3

Calculated result

Copy the exact output or print the completed result.

Enter values and run this calculator.
2

How this visual Morse calculator works

The page separates input, transformation and verification so the result remains understandable.

1. Enter

Frequency is supplied using the calculator-specific controls.

2. Normalize

The browser validates symbols, timing values, separators, files or device permissions required by this method.

3. Calculate

Tone period equals 1/frequency. Dot duration equals 1200/WPM milliseconds and dash duration is three dot units. A short rise/fall envelope reduces audible clicks.

4. Visualize

The oscilloscope display reveals the signal structure instead of presenting only a text answer.

5. Verify

Compare the mapping, timing units, decoded characters, measured pulses or design dimensions shown in the result.

3

Method, timing and worked example

The calculation follows the rule appropriate to this individual tool.

Method used
Tone period equals 1/frequency. Dot duration equals 1200/WPM milliseconds and dash duration is three dot units. A short rise/fall envelope reduces audible clicks.

Worked example

A 700 Hz tone has a period of about 1.429 ms; at 20 WPM a dot lasts 60 ms.

Change the inputs to reproduce or extend the example
Standard timing reference: At ordinary International Morse timing, a dot lasts one unit, a dash three units, the gap inside a character one unit, the gap between characters three units and the gap between words seven units. The WPM tools use the PARIS timing convention, while Farnsworth mode lengthens spacing without slowing individual dots and dashes.
4

Inputs, outputs and result interpretation

Review what the tool accepts, what it returns and where caution is required.

Inputs used

Frequency
Waveform and volume
Rise/fall time
WPM

Outputs produced

Live oscillator
Oscilloscope preview
Tone period and keying duration

What this calculator does well

Manual dot and dash keying
Waveform choice
Click-reduction envelope

Important limitations

This is an audio practice tool, not an RF transmitter.

For camera, microphone, audio and image analysis, signal quality and browser support affect the result. Treat uncertain output as a candidate interpretation and verify it against the source.

5

Morse Code Tone Generator questions

Answers to common questions about the calculation and visual result.

What does the Morse Code Tone Generator calculate?
Build and compare continuous-wave practice tones, select pitch and rise/fall shaping, key dots or dashes manually and measure the resulting tone period.
Which Morse standard does this tool use?
The calculator uses International Morse code for supported letters, digits, punctuation and common procedural signals. Timing follows the standard one-unit dot, three-unit dash, one-unit element gap, three-unit letter gap and seven-unit word gap unless a dedicated timing control changes spacing.
How should I read the visual result?
Dots appear as short circular or short-duration marks, while dashes appear as longer bars or pulses. The live visual is synchronized with the text result so each transformation can be inspected instead of accepted as an unexplained answer.
Does this calculator upload my message or recording?
Calculations run in the browser. Camera, microphone, audio and image tools process the selected stream or file locally in the page; the plugin does not send those inputs to a calculation server.
What can affect accuracy?
This is an audio practice tool, not an RF transmitter.
Can I use the result for practice or design?
Yes. Copy and print controls are included, and tools that create reusable audio, vector, image or stencil output provide a download control. Verify any safety-critical or permanent design before relying on it.
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