Brunon Blok

This is how currently `getSamples()` is defined in [index.d.ts](https://github.com/rochars/wavefile/blob/master/index.d.ts) `getSamples(interleaved?:boolean, OutputObject?: Function): Float64Array;` It is supposed to return a Float64Array. But, according to the docs, when there are more than...

Add new operation: Generate Spectrogram

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### Overview Resolves #1207. Analyzing audio spectrograms for hidden data is often needed during CTFs. ### Dependencies I tried to make it as standalone as possible - still, it includes...