| Patent Number |
Title Of Patent |
Date Issued |
| 8300839 |
Sound emission and collection apparatus and control method of sound emission and collection appa |
October 30, 2012 |
| A level ratio calculation circuit calculates average signal level data of signal level data corresponding to each sound collection beam signal, and calculates a level ratio between the average signal level data and each of the signal level data. Since a diffraction sound is substantially |
| 8280023 |
Communication conference system, voice changing device, and signal converting adaptor |
October 2, 2012 |
| A communication conference system that enables users who have only a connecting unit via a telephone line network and users who have only an IP connecting unit to hold a talk session mutually without a need of an expensive dedicated conference server is provided. A talk session device |
| 8243951 |
Sound emission and collection device |
August 14, 2012 |
| It is possible to provide a sound emission and collection device having a compact configuration and being capable of suppressing a wraparound sound from a speaker to a microphone and improving the S/N ratio. In the sound emission and collection device, a plurality of speakers (11) have a |
| 8238584 |
Voice signal transmitting/receiving apparatus |
August 7, 2012 |
| A voice signal transmitting/receiving apparatus includes: a device body; a speaker array arranged in the device body and including a plurality of arrayed speaker units; and a microphone array arranged in the device body and including a plurality of arrayed microphones. By thus integratin |
| 8238573 |
Conference apparatus |
August 7, 2012 |
| Microphone arrays, which are formed by arranging a plurality of microphones, are provided on a front side and a rear side of a housing, respectively. A virtual focus is set for each of the microphone arrays in a direction opposite to a direction in which sound is picked-up sound sign |
| 8144886 |
Audio conferencing apparatus |
March 27, 2012 |
| Microphones arranged in an array shape along a longitudinal direction are respectively formed in both the longitudinal side surfaces of a housing 2 with substantially an elongated rectangular parallelepiped shape, and speakers arranged in an array shape along the longitudinal direction a |
| 8135143 |
Remote conference apparatus and sound emitting/collecting apparatus |
March 13, 2012 |
| A speaker array and microphone arrays positioned on both sides of the speaker array are provided. A plurality of focal points each serving as a position of a talker are set in front of the microphone arrays respectively symmetrically with respect to a centerline of the speaker array, |
| 7929720 |
Position detecting system, speaker system, and user terminal apparatus |
April 19, 2011 |
| A position detecting system capable of detecting the position of a user as a listener in a simple manner. The position detecting system comprises a speaker system comprising a plurality of spatially-arranged speakers including at least a first speaker and a second speaker, a user termina |
