Synthesized stereo combined with acoustic echo cancellation for desktop conferencing
One promising application in modern communications is desktop conferencing, which can involve several participants over a widely distributed area. Single-channel monophonic sound certainly is not sufficient for a listener to spatially separate one remote talker from another. Moreover, it is very dif...
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| Veröffentlicht in: | Bell Labs technical journal 1998-07, Vol.3 (3), p.148-158 |
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| container_end_page | 158 |
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| container_issue | 3 |
| container_start_page | 148 |
| container_title | Bell Labs technical journal |
| container_volume | 3 |
| creator | Benesty, Jacob Morgan, Dennis R. Hall, Joseph L. Sondhi, M. Mohan |
| description | One promising application in modern communications is desktop conferencing, which can involve several participants over a widely distributed area. Single-channel monophonic sound certainly is not sufficient for a listener to spatially separate one remote talker from another. Moreover, it is very difficult to understand two (or more) remote speakers talking at the same time. Synthesized stereophonic sound will help considerably in solving these problems. In such a scenario, we assume we are located in a hands-free environment, where the composite acoustic signal is presented over loudspeakers, thus requiring acoustic echo cancellation. In this paper, we explain some of the methods that can be used to synthesize stereo sound and how such methods can be combined efficiently with stereo acoustic echo cancellation in the face of several difficult problems. |
| doi_str_mv | 10.1002/bltj.2122 |
| format | Article |
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Mohan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesized stereo combined with acoustic echo cancellation for desktop conferencing</atitle><jtitle>Bell Labs technical journal</jtitle><stitle>BLTJ</stitle><addtitle>Bell Labs Tech. J</addtitle><date>1998-07-01</date><risdate>1998</risdate><volume>3</volume><issue>3</issue><spage>148</spage><epage>158</epage><pages>148-158</pages><issn>1089-7089</issn><eissn>1538-7305</eissn><coden>BLTJFD</coden><abstract>One promising application in modern communications is desktop conferencing, which can involve several participants over a widely distributed area. Single-channel monophonic sound certainly is not sufficient for a listener to spatially separate one remote talker from another. Moreover, it is very difficult to understand two (or more) remote speakers talking at the same time. Synthesized stereophonic sound will help considerably in solving these problems. 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| identifier | ISSN: 1089-7089 |
| ispartof | Bell Labs technical journal, 1998-07, Vol.3 (3), p.148-158 |
| issn | 1089-7089 1538-7305 |
| language | eng |
| recordid | cdi_crossref_primary_10_1002_bltj_2122 |
| source | IEEE Electronic Library (IEL) |
| subjects | Applied sciences Circuit properties Conferences Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Oscillators, resonators, synthetizers Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory |
| title | Synthesized stereo combined with acoustic echo cancellation for desktop conferencing |
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