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Acoustic models with structured hidden dynamics with integration over many possible hidden trajectories
Acoustic models with structured hidden dynamics with integration over many possible hidden trajectories
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机译：具有结构化的隐藏动力学的声学模型，并集成了许多可能的隐藏轨迹
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摘要
A method of producing at least one possible sequence of vocal tract resonance (VTR) for a fixed sequence of phonetic units, and producing the acoustic observation probability by integrating over such distributions is provided. The method includes identifying a sequence of target distributions for a VTR sequence corresponding to a phone sequence with a given segmentation. The sequence of target distributions is applied to a finite impulse response filter to produce distributions for possible VTR trajectories. Then these distributions are applied to a linearized nonlinear function to produce the acoustic observation probability for the given sequence of phonetic units. This acoustic observation probability is used for phonetic recognition.
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