In der vorliegenden Studie wurden die Elektro-und Optopalatografie bezüglich der Abbildung mehrerer Vokale verglichen. Mit beiden Verfahren ließ sich deren Artikulation gut differenzieren. Zur vollständigen Abbildung der Artikulation reichte keines der beiden Verfahren aus. Hier scheint eine Kombination sinnvoll.Hintergrund !
Representation learning is one of the fundamental issues in modeling articulatory-based speech synthesis using target-driven models. This paper proposes a computational strategy for learning underlying articulatory targets from a 3D articulatory speech synthesis model using a bi-directional long short-term memory recurrent neural network based on a small set of representative seed samples. From a seeding set, a larger training set was generated that provided richer contextual variations for the model to learn. The deep learning model for acoustic-to-target mapping was then trained to model the inverse relation of the articulation process. This method allows the trained model to map the given acoustic data onto the articulatory target parameters which can then be used to identify the distribution based on linguistic contexts. The model was evaluated based on its effectiveness in mapping acoustics to articulation, and the perceptual accuracy of speech reproduced from the estimated articulation. The results indicate that the model can accurately imitate speech with a high degree of phonemic precision.
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