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Audio, or in terms of signal processing, an audio signal is an analog or digital representation of sound, typically as an electrical voltage.

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Correct way to draw zoomable audio waveform

I am trying to implement smooth zoomable audio waveform but am puzzled with the correct approach to implement zoom. I searched internet but there is very little or no information. … How do audio editors implement zooming in waveform, is there an efficient approach? …
Deepak Sharma's user avatar