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An Effective Storage Method During A Sampling of Speech Signals
배명진,이인섭,안수길,Bae, Myungjin,Lee, Inseop,ANN, Souguil The Institute of Electronics and Information Engin 1987 전자공학회논문지 Vol.24 No.3
It is necessary for the speech samples to be stored in memory buffer before speech analyzers without a real time processor process them. In this paper, we propose an algorithm that uses the buffer efficiently, when the analog speech signal is converted to the digital samples by the analog to digital converter. In order to implement this method in real time, the buffer is divided into the starting buffer and the remaining buffer. Until a voiced speech is found, the converted samples are sequentially stored in the starting buffer, and then the buffer is shifted. When a voiced speech is found, the next samples are sequentally recorded in the remaining buffer.
A Study on the Energy Extraction Using G-peak from the Speech Production Model
배명진,임재열,안수길,Bae, Myungjin,Rheem, Jaeyeol,ANN, Souguil The Institute of Electronics and Information Engin 1987 전자공학회논문지 Vol.24 No.3
By the speech production model, the first positive peak in a pitch interval of the voiced speech is mainly affected by the glottis and the first formant component, known as a typical energy source of the voiced speech. From these characteristics, the energy parameter can be replaced by the area of the area of the positve peak in a pitch interval, which parameter is generally used for classification of speech signals. In this method, the changed energy parameter is independent of window length applied for analysis, and the pitch can be extracted smultaneously. Furthermore, the energy can be extracted in the pitch period unit.