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filters - What is spectral whitening? - Signal Processing ...

    https://dsp.stackexchange.com/questions/10183/what-is-spectral-whitening#:~:text=Spectral%20whitening%20is%20usually%20an%20attempt%20to%20make,discrete-time%20signals%29.%20This%20can%20help%20localize%20in%20time.
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(PDF) Audio signal delay estimation using partial whitening

    https://www.researchgate.net/publication/224694462_Audio_signal_delay_estimation_using_partial_whitening
    A parametric variant of the phase-only transform (PHAT) is introduced for partially whitening the signal before estimating the delay. The PHAT variant is referred to …

Whitening Filter - an overview | ScienceDirect Topics

    https://www.sciencedirect.com/topics/computer-science/whitening-filter
    The inventors claim the composite audio signal is not readily distinguishable from the original audio signal. The data may be recovered by essentially reversing the embedding operation using a whitening filter. As described above, a very similar embedding technique was later employed by Cox et al. for image watermarking.

Algorithm reference - SpectralWhitening (streaming …

    https://essentia.upf.edu/reference/streaming_SpectralWhitening.html
    the sampling rate of the audio signal [Hz] Description Performs spectral whitening of spectral peaks of a spectrum. The algorithm works in dB scale, but the conversion is done by the algorithm so input should be in linear scale. The concept of 'whitening' refers to …

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