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Consideration of Infants’ Vocal Imitation Through Modeling Speech as Timbre-Based Melody

  • Nobuaki Minematsu
  • Tazuko Nishimura
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4914)

Abstract

Infants acquire spoken language through hearing and imitating utterances mainly from their parents [1,2,3] but never imitate their parents’ voices as they are. What in the voices do the infants imitate? Due to poor phonological awareness, it is difficult for them to decode an input utterance into a string of small linguistic units like phonemes [3,4,5,6], so it is also difficult for them to convert the individual units into sounds with their mouths. What then do infants acoustically imitate? Developmental psychology claims that they extract the holistic sound pattern of an input word, called word Gestalt [3,4,5], and reproduce it with their mouths. We address the question “What is the acoustic definition of word Gestalt?” [7] It has to be speaker-invariant because infants extract the same word Gestalt for a particular input word irrespective of the person speaking that word to them. Here, we aim to answer the above question by regarding speech as timbre-based melody that focuses on holistic and speaker-invariant contrastive features embedded in an utterance.

Keywords

Speech Recognition Speech Sound Input Word Absolute Pitch Musical Piece 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Nobuaki Minematsu
    • 1
  • Tazuko Nishimura
    • 2
  1. 1.Graduate School of EngineeringThe University of TokyoBunkyo-kuJapan
  2. 2.Graduate School of MedicineThe University of TokyoBunkyo-kuJapan

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