| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a speech processing device which is capable of enriching a low voice of an uttered speech to make the speech easy to hear and of giving such a tone color that contents are easy to recognize. <P>SOLUTION: The speech processing device includes: a voice input unit which receives a speaking voice emitted from an oral cavity of a speaker to space via his or her lips; a first filter having transfer characteristics of a path through which the voice passes from lips to auricles; a second filter having inverse characteristics of emission characteristics of lips; and a third filter having transfer characteristics of a path through which the voice reaches the internal ears from the oral cavity inside the lips via bones and flesh of a brainpan. The second filter and the third filter are connected in series to form a second processing unit, and the input speaking voice is inputted to the first filter and the second processing unit, and output voice signals are added and the addition result is outputted. <P>COPYRIGHT: (C)2013,JPO&INPIT |
