公开(公告)号：CA2537944C

公开(公告)日：2010-11-30

申请号：CA2537944

申请日：2004-10-06

Applicant: CISCO TECH INC

Inventor： FIRESTONE SCOTT S ,  FRIEDRICH WALTER R ,  ISMAIL NERMIN M ,  LANTZ KEITH A ,  SARKAR SHANTANU ,  SURAZSKI LUKE K ,  WU DUANPEI

IPC: H04N7/14 ,  H04N7/15

Abstract: A method for executing a video conference is provided that includes receiving one or more audio streams at (26) associated with a video conference (12) from one or more end points (12) and determining an active speaker associated with one of the end points (12). Audio information is associated with the active speaker may be received at one or more of media switches. One or more video streams may be suppressed except for a selected video stream associated with the active speaker, the selected video stream propagating to one or more of the media switches during the video conference. The selected video stream may be replicated such that it may be communicated to one or more of the end points associated with a selected one of the media switches (26).

公开(公告)号：CA2537944A1

公开(公告)日：2005-04-21

申请号：CA2537944

申请日：2004-10-06

Applicant: CISCO TECH INC

Inventor： SURAZSKI LUKE K ,  ISMAIL NERMIN M ,  SARKAR SHANTANU ,  WU DUANPEI ,  FRIEDRICH WALTER R ,  LANTZ KEITH A ,  FIRESTONE SCOTT S

IPC: H04N7/14 ,  H04N7/15

Abstract: A method for executing a video conference is provided that includes receivin g one or more audio streams at (26) associated with a video conference (12) fr om one or more end points (12) and determining an active speaker associated wit h one of the end points (12). Audio information is associated with the active speaker may be received at one or more of media switches. One or more video streams may be suppressed except for a selected video stream associated with the active speaker, the selected video stream propagating to one or more of the media switches during the video conference. The selected video stream ma y be replicated such that it may be communicated to one or more of the end points associated with a selected one of the media switches (26).

公开(公告)号：AU2004306740B2

公开(公告)日：2010-11-25

申请号：AU2004306740

申请日：2004-10-06

Applicant: CISCO TECH INC

Inventor： ISMAIL NERMIN M ,  WU DUANPEI ,  SARKAR SHANTANU ,  LANTZ KEITH A ,  SURAZSKI LUKE K ,  FRIEDRICH WALTER R ,  FIRESTONE SCOTT S

IPC: H04N7/15

Abstract: A method for executing a video conference is provided that includes receiving one or more audio streams associated with a video conference from one or more end points and determining an active speaker associated with one of the end points. Audio information associated with the active speaker may be received at one or more media switches. One or more video streams may be suppressed except for a selected video stream associated with the active speaker, the selected video stream propagating to one or more of the media switches during the video conference. The selected video stream may be replicated such that it may be communicated to one or more of the end points associated with a selected one of the media switches.

公开(公告)号：EP1678951A4

公开(公告)日：2012-03-14

申请号：EP04794355

申请日：2004-10-06

Applicant: CISCO TECH INC

Inventor： FIRESTONE SCOTT S ,  FRIEDRICH WALTER R ,  ISMAIL NERMIN M ,  LANTZ KEITH A ,  SARKAR SHANTANU ,  SURAZSKI LUKE K ,  WU DUANPEI

IPC: H04N7/14 ,  H04N7/15

CPC classification number: H04L65/605 ,  H04L12/1822 ,  H04L65/4046 ,  H04M3/567 ,  H04N7/15 ,  H04N7/152

Abstract: A method for executing a video conference is provided that includes receiving one or more audio streams associated with a video conference from one or more end points and determining an active speaker associated with one of the end points. Audio information associated with the active speaker may be received at one or more media switches. One or more video streams may be suppressed except for a selected video stream associated with the active speaker, the selected video stream propagating to one or more of the media switches during the video conference. The selected video stream may be replicated such that it may be communicated to one or more of the end points associated with a selected one of the media switches.