SOUND COMMUNICATION DEVICE AND ECHO PROCESSOR
A voice communication device has a control CPU for outputting a speaker amplification value corresponding to volume on a speaker which is adjusted by a terminal user by using a volume control unit, and an echo processing unit for reducing an echo equivalent to output voice, which is obtained by ampl...
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| Main Authors | , |
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| Format | Patent |
| Language | English French German |
| Published |
08.08.2007
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| Edition | 7 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | A voice communication device has a control CPU for outputting a speaker amplification value corresponding to volume on a speaker which is adjusted by a terminal user by using a volume control unit, and an echo processing unit for reducing an echo equivalent to output voice, which is obtained by amplifying a received input signal demodulated and voice-decoded according to the speaker amplification value output from the control CPU and outputting the received input signal from the speaker and is mixed with a transmitting input signal input through a microphone, according to the speaker amplification value. Therefore, the echo can be properly removed. |
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| AbstractList | A voice communication device has a control CPU for outputting a speaker amplification value corresponding to volume on a speaker which is adjusted by a terminal user by using a volume control unit, and an echo processing unit for reducing an echo equivalent to output voice, which is obtained by amplifying a received input signal demodulated and voice-decoded according to the speaker amplification value output from the control CPU and outputting the received input signal from the speaker and is mixed with a transmitting input signal input through a microphone, according to the speaker amplification value. Therefore, the echo can be properly removed. |
| Author | TAKAHASHI, SHINYA KAJIYAMA,IKUO |
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| DocumentTitleAlternate | TONKOMMUNIKATIONSGERÄT UND ECHOPROZESSOR DISPOSITIF DE COMMUNICATION DE SONS ET PROCESSEUR D'ECHO |
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| Notes | Application Number: EP20000981723 |
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| RelatedCompanies | MITSUBISHI DENKI KABUSHIKI KAISHA |
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| Snippet | A voice communication device has a control CPU for outputting a speaker amplification value corresponding to volume on a speaker which is adjusted by a... |
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| SubjectTerms | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION |
| Title | SOUND COMMUNICATION DEVICE AND ECHO PROCESSOR |
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