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Title: US7184559: System and method for audio telepresence
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Country: US United States of America

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19 pages

 
Inventor: Jouppi, Norman P.; Palo Alto, CA, United States of America

Assignee: Hewlett-Packard Development Company, L.P., Houston, TX, United States of America
other patents from HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (815532) (approx. 1,981)
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Published / Filed: 2007-02-27 / 2001-02-23

Application Number: US2001000792489

IPC Code: Advanced: H04R 3/00; H04R 3/12; H04S 3/00;
Core: more...

ECLA Code: H04R3/00B; H04R3/12; H04S3/00;

U.S. Class: 381/092; 379/202.01; 348/014.07; 348/014.08;

Field of Search: 381/092,17 379/202.01,206.01 348/014

Priority Number:
2001-02-23  US2001000792489

Abstract:     A system and method for audio telepresence. The system includes a user station and a telepresence unit. The telepresence unit includes a directional microphone for capturing sounds at the remote location, and means for converting the captured sounds into a stream of data to be communicated to the user station. The user station includes means for receiving the stream of data and a plurality of speakers for recreating the sounds of the remote location. The user station and the speakers are located within an anechoic chamber where sound reflections are substantially absorbed by anechoic linings of the chamber walls. Because of the substantial lack of sound reflection within the anechoic chamber, a user within the anechoic chamber will be able to experience an aural ambience that closely resembles the sounds captured at the remote location. The user station may include microphones for capturing the user's voice, and the telepresence unit may include speakers for projecting the user's voice at the remote location. Feedback suppression, audio direction steering, and head-coding techniques may also be used to enhance the user's sense of remote presence.

Primary / Asst. Examiners: Pendleton, Brian T.;

Maintenance Status: CC Certificate of Correction issued
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First Claim:
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    1. An audio telepresence system, comprising:

a user station at a first location, the user station comprising:

a plurality of microphones adapted to be positioned around a user to capture sound produced by the user; and

a lapel microphone for capturing the sound produced by the user;

the user station comprising a computer system configured to:

compare input volumes for each of the plurality of microphones to determine directional information associated with the sound produced by the user based on which one of the plurality of microphones has the highest input volume; and

generate a stream of data representative of sound captured by at least one of the plurality of microphones, the lapel microphone, or both; and

a telepresence unit at a second location, the telepresence unit providing a three-dimensional representation of the user that simultaneously includes a front view and a profile view, the telepresence unit being remotely coupled to the user station to receive the stream of data and the directional information, the telepresence unit comprising a plurality of speakers for projecting sound interpreted from the stream of data in a direction corresponding to the directional information, the telepresence unit being further adapted to capture audio stimuli at the second location and to communicate the audio stimuli to the user station.



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Forward References: Show 1 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (1)   |   Backward references (13)   |   Citation Link

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Patent  Pub.Date  Inventor Assignee   Title
Buy PDF- 34pp US4712231  1987-12 Julstrom  Shure Brothers, Inc. Teleconference system
Buy PDF- 8pp US5020098  1991-05 Celli  AT&T Bell Laboratories Telephone conferencing arrangement
Buy PDF- 8pp US5335011  1994-08 Addeo et al.  Bell Communications Research, Inc. Sound localization system for teleconferencing using self-steering microphone arrays
Buy PDF- 23pp US5434912  1995-07 Boyer et al.  Bell Communications Research, Inc. Audio processing system for point-to-point and multipoint teleconferencing
Buy PDF- 7pp US5808663  1998-09 Okaya  Dell Computer Corporation Multimedia carousel for video conferencing and multimedia presentation applications
Buy PDF- 15pp US5889843  1999-03 Singer et al.  Interval Research Corporation Methods and systems for creating a spatial auditory environment in an audio conference system
Buy PDF- 12pp US6125115  2000-09 Smits  QSound Labs, Inc. Teleconferencing method and apparatus with three-dimensional sound positioning
Buy PDF- 26pp US6169806  2001-01 Kimura et al.  Fujitsu Limited Computer, computer system and desk-top theater system
Buy PDF- 22pp US6507658  2003-01 Abel et al.  Kind of Loud Technologies, LLC Surround sound panner
Buy PDF- 12pp US6583808  2003-06 Boulanger et al.  National Research Council of Canada Method and system for stereo videoconferencing
Buy PDF- 22pp US6992702  2006-01 Foote et al.  Fuji Xerox Co., Ltd System for controlling video and motion picture cameras
Buy PDF- 12pp US20020067405A1  2002-06 McDiarmid   Internet-enabled portable audio/video teleconferencing method and apparatus
Buy PDF- 14pp US20030081115A1  2003-05 Curry et al.   SPATIAL SOUND CONFERENCE SYSTEM AND APPARATUS
       
Foreign References:
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PDF
Publication Date IPC Code Assignee   Title
Buy PDF- 36pp WO9858523A1 1998-12  H04S 3/00 BRITISH TELECOMM REPRODUCTION OF SPATIALISED AUDIO 


Continuity Data:
Application Number Filed Notes

US2001000792489 2001-02-23  is a related to the prior publication
     US20020141595A1 issued 2002-10-03  System and method for audio telepresence


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