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Stream recording method, apparatus and system

A server and retransmission technology, applied in transmission systems, digital transmission systems, devices that provide special services in branches, etc., can solve problems such as service quality cannot be guaranteed, packet loss, etc.

Inactive Publication Date: 2008-07-02
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the RTP protocol is a UDT (UDP-based data transfer protocol) protocol, quality of service (QoS) cannot be guaranteed
Needless to say, when using wireless mobile terminals, handover or interference may cause packet loss, so that data may contain skipped parts during recording

Method used

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  • Stream recording method, apparatus and system
  • Stream recording method, apparatus and system
  • Stream recording method, apparatus and system

Examples

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Embodiment Construction

[0018] Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals indicate like elements throughout. The embodiments are described below in order to explain the present invention by referring to the figures.

[0019] FIG. 1 is a block diagram of a stream recording system according to an embodiment of the present invention. The stream recording system includes a server 100 and a terminal 110 . The terminal 110 is equivalent to the stream recording system described, but the term "terminal" is used here for convenience. The terminals may include laptop computers, mobile phones, personal digital assistants, personal entertainment devices, or other mobile devices.

[0020] First, streams and packets will be briefly described. A series of consecutive packets is called a stream. The stream is video data and / or audio data transmitted from the server 100 to the termina...

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PUM

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Abstract

A stream recording method, apparatus, and system. When a packet loss is detected in packets constituting a stream while the stream transmitted from a server (100) is recorded, the lost packet is retransmitted so as to be inserted into a specific portion of the recorded stream. Therefore, it is possible to reduce inconvenience and a waste of time required for downloading the whole stream to be recorded when the packet loss occurs during recording as well as to decrease a network load.

Description

technical field [0001] Aspects of the invention relate to methods and apparatus for recording streams. Background technique [0002] In recent years, advancements in network technology are generating huge increases in network bandwidth. In addition, since the use of mobile terminals is becoming popular, people can use high-speed communication anytime and anywhere, including at work, school, and home. This enhanced network environment has facilitated the development of services that provide multimedia content (eg, audio, video, etc.). As a result, people's demand for multimedia services continues to grow. [0003] However, large-sized multimedia data is less efficient to reproduce than text or image data when the data is reproduced after all the data has been received. Therefore, multimedia data is generally transmitted and received between a server and a mobile terminal using a streaming scheme rather than a downloading scheme. In the download scheme, the mobile terminal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/18H04L29/06H04L12/56H04L1/18
CPCH04L69/326H04L65/608H04L29/08045H04L1/1607H04L29/06517H04L29/06027H04L65/65H04L1/16H04L1/18H04L65/1101
Inventor 李在皇沈孝善
Owner SAMSUNG ELECTRONICS CO LTD