Invention Grant
- Patent Title: Lost real-time media packet recovery
- Patent Title (中): 丢失实时媒体包恢复
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Application No.: US13350731Application Date: 2012-01-13
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Publication No.: US08819513B2Publication Date: 2014-08-26
- Inventor: Li Shen , Tim Moore , Shiwei Wang , Tin Qian
- Applicant: Li Shen , Tim Moore , Shiwei Wang , Tin Qian
- Applicant Address: US WA Redmond
- Assignee: Microsoft Corporation
- Current Assignee: Microsoft Corporation
- Current Assignee Address: US WA Redmond
- Agent Andrew Smith; Jim Ross; Micky Minhas
- Main IPC: H04L1/18
- IPC: H04L1/18

Abstract:
Systems, methods and computer program products for facilitating the recovery of lost real-time media packets within a computer network real-time application implementing Forward Error Control (FEC), such that server performance is not affected from a CPU and memory perspective, are disclosed. In an embodiment, a conference server that is part of a communication network compliant with the Real Time Transport Protocol (RTP) is able to avoid regenerating FEC packets by not performing any FEC coding operation on the packets unless it is flagged to indicate regeneration via an FEC (e.g., Reed-Solomon) coding is necessary. Absent the flag, the conference server updates the received FEC packet as per the RTP and transmits the packet to its ultimate destination. Such disclosed systems, methods and computer program products are independent of the nature of the media being protected and flexible enough to support a wide variety of FEC techniques.
Public/Granted literature
- US20130185614A1 Lost Real-Time Media Packet Recovery Public/Granted day:2013-07-18
Information query