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[Keyword] long-time Fourier transform(1hit)

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  • An Efficient Image to Sound Mapping Method Using Speech Spectral Phase and Multi-Column Image

    Arata KAWAMURA  Hiro IGARASHI  Youji IIGUNI  

     
    LETTER-Digital Signal Processing

      Vol:
    E100-A No:3
      Page(s):
    893-895

    Image-to-sound mapping is a technique that transforms an image to a sound signal, which is subsequently treated as a sound spectrogram. In general, the transformed sound differs from a human speech signal. Herein an efficient image-to-sound mapping method, which provides an understandable speech signal without any training, is proposed. To synthesize such a speech signal, the proposed method utilizes a multi-column image and a speech spectral phase that is obtained from a long-time observation of the speech. The original image can be retrieved from the sound spectrogram of the synthesized speech signal. The synthesized speech and the reconstructed image qualities are evaluated using objective tests.

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