Abstract:We present a dequantization method that employs a phase-aware regularizer, originally successfully applied in an audio inpainting problem. The method promotes a temporal continuity of sinusoidal components in time-frequency representation of the audio signal, and avoids energy loss artifacts commonly encountered with l1-based regularization approaches. The proposed method is called the Phase-Aware Audio Dequantizer (PHADQ). The method is evaluated against the state-of-the-art using the SDR and PEMO-Q ODG objective metrics, and a~subjective MUSHRA-like test.
From: Vojtěch Kovanda [view email]
[v1]
Sun, 19 Oct 2025 12:50:07 UTC (475 KB)
[v2]
Fri, 23 Jan 2026 12:42:53 UTC (454 KB)
[v3]
Tue, 28 Jul 2026 10:01:31 UTC (456 KB)
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