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Jitter buffer

A technology of jitter buffer and transmitter, which is applied in the direction of transmission modification, transmission system, electrical components, etc. based on link quality, and can solve problems such as quality degradation

Active Publication Date: 2016-05-11
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

An increase or decrease in jitter buffer delay means that parts of the signal are played back at the receiver slower or faster than intended, which results in a loss of quality

Method used

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Examples

Experimental program
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Embodiment Construction

[0037] Preferred embodiments of the invention will now be described, by way of example only.

[0038] refer to figure 1 , the communication system 100 according to a preferred embodiment is now described. The communication system 100 includes a transmitter 102 and a receiver 108 . The transmitter 102 includes a processor 104 for processing data and a memory 106 for storing data. The receiver 108 includes a processor 110 for processing data, a memory 112 for storing data, and a jitter buffer 114 for receiving data from the transmitter 102 .

[0039] In operation, transmitter 102 may process (eg, using processor 104 ) data (eg, retrieved from memory 106 ) to form a data stream comprising a plurality of data packets. Thereafter, the data stream may be sent across the network on a communication channel to the jitter buffer 114 of the receiver 108 . As noted above, data is stored in the jitter buffer for a short period of time before it is output from the jitter buffer for proc...

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PUM

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Abstract

Method, sender and computer program product for sending real-time communication event data from a sender to a jitter buffer of a receiver, the method comprising jointly determining (i) at least one processing parameter describing how the data is processed to be sent from the transmitter to the jitter buffer, and (ii) jitter buffer control information to instruct the receiver how to control the jitter buffer state. Send jitter buffer control information to the receiver. Data is processed for transmission from the transmitter to the jitter buffer according to the determined at least one processing parameter; and processed data is transmitted from the transmitter to the jitter buffer of the receiver.

Description

technical field [0001] The present invention relates to jitter buffers. In particular, the invention relates to a jitter buffer for transmitting real-time communication event data from a transmitter to a receiver. Background technique [0002] In a real-time communication event, such as an audio or video call, the sender can send data to the receiver over the communication channel. A communication channel may exist in one (or more) of a number of different possible networks. For example, the communication channel may exist on the Internet or on a wireless network such as a mobile telecommunications network. Disadvantageously, when data (which may be sent in the form of data packets) is sent over the communication channel, the data may be delayed or corrupted. When data is sent over a communication channel, a variety of techniques can be used to deal with delays or corruption of the data. [0003] As an example, a jitter buffer can be used at a receiver to smooth out the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/885H04L1/00H04J3/06H04L49/9023
CPCH04L1/0009H04L1/0018H04L65/80H04J3/0632H04L1/0001H04L7/005H04L65/75
Inventor R.瓦芬M.尼尔森S.V.安德森A.杰费里默
Owner SKYPE