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A library for audio processing by Discrete Cosine Transform (DCT)

Project description

libdct: A library for audio processing by Discrete Cosine Transform (DCT)

The library is to facilitate audio processing with Discrete Cosine Transform.

DCT are the kind of transforms that avoid doing signal process in complex Fourier space. Since most deep networks are difficult to capture relations in complext space, DCT are good choices for extacting audio features or generating audio signal using deep learning

The wav graph of LJ001-0025.wav:

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The dct_spectrogram:

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install

git clone https://github.com/ranchlai/libdct.git cd libdct && python setup.py install

or

pip install libdct --upgrade

Reference:

[1] Method and device for conducting noise suppression on image, WO2015135208A1

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