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Author

Facundo Franchino

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Preprint Sep 2026

Exact Factorisation and Fast Computation of Invertible Constant-Q Transforms

The proposed implementation of Flash-CQT reduces analysis-synthesis round-trip time by factors of two to eight relative to a baseline computing the same CQT, and uses over 30% less peak temporary workspace and reaches a negligible reconstruction error.

Facundo Franchino, Eloi Moliner, V. Välimäki · 0 citations

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