Griffin-lim like phase recovery via alternating direction method of multipliers

Yoshiki Masuyama, Kohei Yatabe, Yasuhiro Oikawa

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    Recovering a signal from its amplitude spectrogram, or phase recovery, exhibits many applications in acoustic signal processing. When only an amplitude spectrogram is available and no explicit information is given for the phases, the Griffin-Lim algorithm (GLA) is one of the most utilized methods for phase recovery. However, GLA often requires many iterations and results in low perceptual quality in some cases. In this letter, we propose two novel algorithms based on GLA and the alternating direction method of multipliers (ADMM) for better recovery with fewer iteration. Some interpretation of the existing methods and their relation to the proposed method are also provided. Evaluations are performed with both objective measure and subjective test.

    Original languageEnglish
    Article number8552369
    Pages (from-to)184-188
    Number of pages5
    JournalIEEE Signal Processing Letters
    Volume26
    Issue number1
    DOIs
    Publication statusPublished - 2019 Jan 1

    Fingerprint

    Method of multipliers
    Alternating Direction Method
    Recovery
    Spectrogram
    Acoustic signal processing
    Iteration
    Signal Processing
    Acoustics
    Evaluation

    Keywords

    • Non-convex optimization
    • phaseless spectrogram inversion
    • short-time Fourier transform (STFT)
    • spectrogram consistency
    • STFT-based speech synthesis

    ASJC Scopus subject areas

    • Signal Processing
    • Electrical and Electronic Engineering
    • Applied Mathematics

    Cite this

    Griffin-lim like phase recovery via alternating direction method of multipliers. / Masuyama, Yoshiki; Yatabe, Kohei; Oikawa, Yasuhiro.

    In: IEEE Signal Processing Letters, Vol. 26, No. 1, 8552369, 01.01.2019, p. 184-188.

    Research output: Contribution to journalArticle

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