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vocevista_video_-_a_new_generation_of_visual_feedback_software_for_vocal_pedagogy [2014/04/02 22:31] (current)
bziolko created
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 +Bodo Maass (Germany)
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 +**VoceVista Video - a new generation of visual feedback software for vocal pedagogy**
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 +Sygyt Software
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 +VoceVista Video (VVV) is a software application that provides a visual feedback about the three main physiological correlates of the human voice: vocal folds (VF), articulation and facial expression. VVV provides an easy means to record a voice lesson and to play back selected passages for a review, or to use the visualization interactively in real time. 
 +The VVV program displays:  1: a video of the singer, 2: a spectrogram of the sound, and 3: the electroglottographic signal that reflects the vibration of the VFs. These array of signals allows the observation of subtle changes in the sound and to relate these signals to their generation. Voice teachers can use VVV to objectively familiarize their students which physiological factors that are affecting negatively their student’s vocal output.
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 +Central to VVV is an easy-to-explain  concept of overtones,and understanding of the role of overtones as the fundamental building blocks of sound production. Another goal of  VVV is  for a singer to conceptualize that the voice consists of two separate instruments: the VF that create sound and the oral cavity (vocal tract) that shapes the sound with adjustable resonance. 
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 +Using VVV  the singing student will learn what overtones are by seeing them displayed in a musical context and by relating them to familiar concepts, such as a piano keyboard staff notation. Frequency filters embedded in the VVV program allow listening during playback to isolated (specific) frequency ranges. In this way the performer can focus on his/her formant or even on individual overtones of the actual recording. Moreover the VVV integrated vowel chart is used to demonstrate the relationship between the resonance frequencies of the mouth (articulation) and the perceived vowel quality. With this understanding, the student can practice controlling his or her resonance while learning specific vocal techniques and to optimize the brilliance and efficiency of the voice. This helps the student to improve the singer's formant and to use formant tuning to align the resonance frequencies of the mouth with the harmonics of the funndamental.
  
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