| 摘要 |
PROBLEM TO BE SOLVED: To provide a transmitting and receiving device which more precisely monitors noise when information is transmitted, and also to provide a transmitting and receiving method and a program therefor. SOLUTION: An extraction part 12 extracts left voice data and right voice data which are both related to received voice sound signals. An HPF (high pass filter) 110 extracts frequency components having a prescribed frequency or higher from these extracted left and right voice data. An addition part 141 computes values relative to the time sequential addition signals of the left voice data and right voice data which are related to the extracted frequency components, and computes addition data based on the accumulated addition values, by prescribed time, of the computed values. A subtraction part 142 computes values relative to the time sequential differential signals of the left voice data and right voice data which are related to the extracted frequency components, and computes subtraction data based on the accumulated addition values, by the prescribed time, of the computed values. The addition data and the subtraction data are both added, as the metadata, to voice data by an addition part 17. COPYRIGHT: (C)2010,JPO&INPIT
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