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Reconstructing audio from a given spectrogram and phase data

Reconstructing audio from a given spectrogram and phase data
  1. Can you convert spectrogram to audio?
  2. How is frequency shown on a spectrogram?

Can you convert spectrogram to audio?

You can make a sound image that is viewable on a spectrogram. With this app you can convert your images to audio and secretly send them to others. In order to convert an image, you just need to select an image from your computer, Google Drive, Webcam, and Clipboard.

How is frequency shown on a spectrogram?

The vertical axis represents frequency, which can also be thought of as pitch or tone, with the lowest frequencies at the bottom and the highest frequencies at the top.

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