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In this paper, we present an innovative way of utilizing the natural relationship between speech sounds and articulatory movements by developing an articulatory controllable speech modification system. Specifically, we employ statistical acoustic-to-articulatory inversion mapping and articulatory-to-acoustic production mapping based on a Gaussian mixture model, allowing flexible modification of the...
This paper presents several F0 transformation techniques for statistical voice conversion (VC) with direct waveform modification with spectral differential (DIFFVC). Statistical VC is a technique to convert speaker identity of a source speaker's voice into that of a target speaker by converting several acoustic features, such as spectral and excitation features. This technique usually uses vocoder...
This paper presents a technique for transforming F0 in a framework of statistical singing voice conversion with direct waveform modification based on spectrum differential (DIFFSVC). The DIFFSVC method converts voice timbre of singing voices of a source singer into that of a target singer without using vocoder-based waveform generation. Although this method achieves high sound quality of the converted...
This paper presents an estimation method of voice timbre evaluation values for arbitrary singer's singing voices generated with a singing voice synthesis system towards the development of a singing voice retrieval system. The voice timbre evaluation values are numerical values corresponding to voice timbre expression words, such as "Age" and "Gender", and they usually need to be...
In recent years, the demand for image retrieval is increasing due to the development of the information society. There are mainly two categories of image retrieval approaches: TBIR and CBIR. The local binary pattern (LBP) texture method has been reported as a highly robust approach in CBIR studies. In our previous paper [9], we have proposed a novel image retrieval algorithm to improve retrieval accuracy,...
The perceived age of a singing voice, which is the age of the singer as perceived by the listener, is one of the intuitively understandable measures to describe voice characteristics of the singing voice. Singers can sing expressively by controlling voice timbre to some extent but the varieties of voice timbre that singers can produce are limited by physical constraints. To overcome this limitation,...
The perceptual age of a singing voice is the age of the singer as perceived by the listener, and is one of the notable characteristics that determines perceptions of a song. In this paper, we describe a novel voice timbre control technique based on the perceptual age for singing voice conversion (SVC). Singers can sing expressively by controlling prosody and voice timbre, but the varieties of voices...
A variety of new products, such as photovoltaic (PV) systems and electric vehicles (EVs), have been introduced to electricity systems targeting an energy-saving and low-carbon society. However, it is still unclear that, when these energy-saving products will be disseminated in our society, the dissemination will influence future electricity systems. To explore how future electricity systems might...
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