BibTeX:

@article{IJIRSTV1I12044,
     title={Compare the effect of Noise Part to the effect Voice Part on the Quality of Children Speech in Dogri Language},
     author={VARUN SHARMA, Randhir Singh and Parveen Lehana},
     journal={International Journal for Innovative Research in Science & Technology},
     volume={1},
     number={12},
     pages={13--17},
     year={},
     url={http://www.ijirst.org/articles/IJIRSTV1I12044.pdf},
     publisher={IJIRST (International Journal for Innovative Research in Science & Technology)},
}

Speech is the most innate and fastest means of communication between humans. Computers with the ability to understand speech and speak with a human like voice are expected to contribute to the development of more natural man-machine interface. There has been a significant amount of research in the field of speech signal processing, and numerous models have been devised so far, but since harmonic plus noise model (HNM) proves to be a more promising of all the existing ones, this paper describes the application of HNM for analysis-synthesizes of children voice . For the analysis of speech signal we have carried out the recording of 7 children speakers (3 male and 4 female) in Dogri language between the age group of 3-6 years. Harmonic plus noise model HNM has been employed as the analysis-synthesis platform as it outperforms almost all models of speech production in terms of important characteristics like naturalness, intelligibility, and pleasantness. PESQ method is used for evaluation of the quality of the speech synthesized from HNM. Mean and standard deviation (SD) is estimated for original and synthesized speech. Effect of the proportion of noise on the quality and intelligibility of speech signal of children has been investigated at different levels of noise keeping voice part constant. Results suggest that the quality of the children speech increases gradually until the value of noise part is 50% and remains constant till the noise part reaches a percentage of 70%. However as the noise percentage is increased the quality shows a slight decrease but remains constant afterwards. The optimum percentage of noise part for good speech quality has been found to be same for both male and female children speakers. Effect of different proportion of voice part on the quality and intelligibility of speech signal of children has been investigated at different levels of noise keeping noise part constant. Results suggest that the quality is quite poor at lower levels of voice part but increases gradually until the value of voice part is 50%. However as the voice percentage is increased the quality remains constant afterwards (till v100%). Results suggest that the percentage of voice part plays an important part for the quality of speech. With no voice part the quality is quite poor. Further the results prove that HNM is an excellent model for children speech. Also the worst and best speech quality is not same for male and female children speakers.

speech production, HNM, PESQ