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Results tagged with spectrogram
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user 16405
A spectrogram is a time-varying spectral representation (forming an image) that shows how the spectral density of a signal varies with time.
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Could not construct original matrix using SVD
matrix from it using the STFT
generate its singular value decomposition
do some watermarking
but I can't build the original matrix again via matrix multiplication:
x = audioread('0.wav');
stft = spectrogram …
- 113