Self-check data transmission method

A data transmission method and data transmission technology, which is applied in the field of self-checking data transmission, can solve the problems of long-term interruption of images or sounds, image blurring and sound, and long time consumption, and achieve the effect of saving data transmission time

Inactive Publication Date: 2014-03-26
重庆西信天元数据资讯有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One is to use some kind of restart device to retransmit the lost multimedia data. This method takes a long time and will cause the image or sound to be interrupted for a long time
Another method is to send the incomplete data directly to the decoder for decoding, and the decoder will handle these errors. Due to the strong correlation between the current multimedia compressed data, this method may cause image blur or sound noisy

Method used

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  • Self-check data transmission method

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Embodiment Construction

[0020] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0021] Such as figure 1 Shown, a kind of self-inspection type data transmission method is characterized in that comprising the following steps:

[0022] Step 1, system initialization; after the processor is connected to the USB bus, identify and set information on the connected device.

[0023] Step 2. When the processor receives the data transmitted by the USB bus, it actively generates an interrupt signal to start data reception, and stores the received data in the data receiving area, and then performs step 6; extracts the data packet header from the data receiving area, and then executes Step three.

[0024] Step 3. Match the extracted header to determine whether it is normal; when the received data is a normal header, continue to extract the received data and perform step 5; when the received data is an incorrect header, suspend receiving data and Dis...

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Abstract

The invention discloses a self-check data transmission method and belongs to the field of data transmission. Data that are received are matched and data packets are analyzed; accordingly, in case of data transmission errors, correct transmission is auto-restored with no need for rebooting a device, data transmission time is greatly saved. Through the self-check data transmission method, data receiving and displaying can be parallelly processed.

Description

technical field [0001] The invention relates to a data transmission method, in particular to a self-checking data transmission method. Background technique [0002] In recent years, multimedia technology has been widely used, and various network-based multimedia terminals emerge in an endless stream. In terms of multiplexing and transmission of multimedia streams, transport streams are widely used in the transmission of multimedia streams in IP networks and cable television networks due to their good scalability. Network transmission has the characteristics of long distances, and multimedia code streams need to pass through many network devices, so data loss is inevitable. [0003] There are mainly two ways to deal with multimedia data loss. One is to use some kind of restart device to retransmit the lost multimedia data. This method takes a long time and will cause the image or sound to be interrupted for a long time. Another method is to send the incomplete data directl...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): H04L1/00H04L29/06
Inventor冉升周锋赵明骆庭伟谢杰镇戴君伟
Owner重庆西信天元数据资讯有限公司