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Discrete cosine transform
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.. _dct_trigonometric_relation:

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Trigonometric relation
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.. include:: trigonometric_relation.rst

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Forward transform
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.. include:: forward.rst

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Backward transform
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.. include:: backward.rst

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Reference
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* Lee, "A New Algorithm to Compute the Discrete Cosine Transform", *IEEE T. Acoust. Speech*, 1984