Interactive tools for making vocoder-based signal processing accessible: Flexible manipulation of speech attributes for explorational research and education

Kawahara, Hideki; Morise, Masanori

doi:10.1250/ast.e23.52

Cited by 3 publications

References 22 publications

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STRAIGHTMORPH: A Voice Morphing Tool for Research in Voice Communication Sciences

Belin,

Kawahara

2024

Preprint

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The purpose of this paper is to make easily available to the scientific community an efficient voice morphing tool called STRAIGHTMORPH and provide a short tutorial on its use with examples. STRAIGHTMORPH consists of a set of Matlab functions allowing to generate high-quality, parametrically-controlled morphs of an arbitrary number of voice samples. A first step consists in extracting an ‘mObject’ for each voice sample, with accurate tracking of the fundamental frequency contour and manual definition of Time and Frequency anchors corresponding across samples to be morphed. The second step consists in parametrically combining the mObjects to generate novel synthetic stimuli, such as gender, identity or emotion continua, or random combinations. Although STRAIGHTMORPH has been designed for human voices it can work well with other types of sounds such as non-human primate vocalizations.

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STRAIGHTMORPH: A Voice Morphing Tool for Research in Voice Communication Sciences

Belin,

Kawahara

2024

Preprint

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Interactive tools for making temporally variable, multiple-attributes, and multiple-instances morphing accessible: Flexible manipulation of divergent speech instances for explorational research and education

Kawahara,

Morise

2024

Acoust. Sci. & Tech.

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STRAIGHTMORPH: A Voice Morphing Tool for Research in Voice Communication Sciences

Belin,

Kawahara

2024

Open Res Europe

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The purpose of this paper is to make easily available to the scientific community an efficient voice morphing tool called STRAIGHTMORPH and provide a short tutorial on its use with examples. STRAIGHTMORPH consists of a set of Matlab functions allowing the generation of high-quality, parametrically-controlled morphs of an arbitrary number of voice samples. A first step consists in extracting an ‘mObject’ for each voice sample, with accurate tracking of the fundamental frequency contour and manual definition of Time and Frequency anchors corresponding across samples to be morphed. The second step consists in parametrically combining the mObjects to generate novel synthetic stimuli, such as gender, identity or emotion continua, or random combinations. Although STRAIGHTMORPH has been designed for human voices it can work well with other types of sounds such as non-human primate vocalizations.

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Interactive tools for making vocoder-based signal processing accessible: Flexible manipulation of speech attributes for explorational research and education

Abstract: We use this notation. Refer to discussion in [20].x Use https://youtu.be/4gOF84fvh5E for an introduction video.

Cited by 3 publications

References 22 publications

STRAIGHTMORPH: A Voice Morphing Tool for Research in Voice Communication Sciences

STRAIGHTMORPH: A Voice Morphing Tool for Research in Voice Communication Sciences

Interactive tools for making temporally variable, multiple-attributes, and multiple-instances morphing accessible: Flexible manipulation of divergent speech instances for explorational research and education

STRAIGHTMORPH: A Voice Morphing Tool for Research in Voice Communication Sciences

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