Reconstructing Audio from Spectrogram

2021 4 3
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更新时间：2021 4 3
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I have followed https://la.mathworks.com/help/signal/ref/stftmag2sig.html to construct spectrogram from audio. Now I want the spectrogram to be saved, edited and then recreate the audio from it. Attaching a sample spectrogram from which I want to generate the audio signal. Any help would be apprecaited. Thank you!

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Fareed Jamali
Fareed Jamali 2021-4-3
I have exported the above attached image as untitled.png and now I want to reconstruct audio from the image. All I know is that I have to read image through imread() but not sure how to extract useful information to reconstruct audio.

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Meg Noah
Meg Noah 2021-4-3

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istfit then wavwrite?

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Fareed Jamali
Fareed Jamali 2021-4-3
The image (spectrogram) needs to be imported first. Like imread('untitled.png'). There has to be something that should convert the image back to audio.

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