| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a stereo head set capable of transmitting and recording environmental sound of a wearer while holding sound space information of the listening sound of the wearer at which the wearer spoken sound can be erased or turned down. <P>SOLUTION: A stereo head set having two types of speakers 11L and 11R for reproducing each of stereo right and left signals, includes: two types of environmental sound pickup microphones 21L and 21R disposed close to the speakers 11L and 11R, respectively, so as to isolate from respective speakers acoustically; a spoken sound pickup microphone 22 disposed away from the environmental sound pickup microphones 21L and 21R for picking up stereo headset wearer spoken sound; and subtraction processing means 30L and 30R for subtracting the signals picked up by the spoken sound pickup microphone 22 from the signals picked up by the environmental sound pickup microphones 21L and 21R, and outputting the resulted signals. <P>COPYRIGHT: (C)2012,JPO&INPIT |
