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sine-wave #

A traveling sine wave with a dot that rides along the curve. The wave scrolls while the dot marks the current sample position.

canvasclick to interact

⏮◀◀▶▶STEP0.25x1xZOOM

t=0s

practical uses #

• 01.Teaching signal processing fundamentals
• 02.Visualizing audio waveforms and sampling
• 03.Demonstrating frequency and amplitude concepts
• 04.Illustrating phase relationships in AC circuits

technical notes #

3π frequency across visualization width. Phase shifts continuously for scrolling effect. Dot position calculated modulo wave period.

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