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Method for reducing buffer depletion and producing frequency

A technology of occurrence frequency and buffer zone, applied in optical recording/reproduction, recording of information on disk, digital recording/reproduction, etc., to reduce the probability of recording failure, achieve the best recording quality and operating efficiency.

Inactive Publication Date: 2005-06-15
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  • Summary
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AI Technical Summary

Problems solved by technology

[0006] In order to improve the various shortcomings of the common technology, the main purpose of the present invention is to calculate the speed difference between the recording speed and the data transfer speed according to the time length of BURN, so as to actively determine the optimal recording speed of the optical drive and avoid unnecessary high recording speed. Burn phenomenon caused by burning speed, and improve the quality and efficiency of disc burning

Method used

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  • Method for reducing buffer depletion and producing frequency
  • Method for reducing buffer depletion and producing frequency

Examples

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Embodiment Construction

[0010] Generally speaking, optical drives with improved technologies such as BURN Proof, Just Link, and Super Link can continue to burn when BURN occurs. The operation process is: when the system transfers data to the buffer of the optical drive, the The data will increase, and when the amount of received data reaches a certain critical value, the burning action will be activated. At this time, the data in the buffer will be consumed slowly. If the data in the buffer is emptied, the so-called BURN will occur. If the phenomenon occurs, the recording operation will stop, and wait for the data volume in the buffer to accumulate to a certain critical value to reactivate the recording operation.

[0011] And the present invention is further applied to the above-mentioned technology, and the firmware is improved, hoping to reduce the number of BURN occurrences, such as figure 1 Shown, is the recording action flow chart of the present invention, comprises the following steps:

[001...

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Abstract

The invention provides a method for reducing the occurrence frequency of buffer burnout, which reduces the number of occurrences of buffer burnout (BURN) by changing the disc recording speed of the optical drive; Data, when the amount of received data reaches a certain critical value, the burning action will be activated, and the time value and the amount of data in the buffer (Buffer) at this time will be recorded. When BURN occurs, the time value at this time will be compared with the The previously recorded data volume, time value, etc. are calculated to obtain the difference between the data transmission speed of the system and the recording speed of the optical drive, so as to optimize the recording speed of the optical drive, thereby improving the quality and efficiency of disc recording.

Description

technical field [0001] The present invention provides a method for reducing the occurrence frequency of buffer under run (BUFFER UNDER RUN, hereinafter referred to as BURN), in particular about a method for optimizing the recording speed of an optical drive by calculating the difference between the data transmission speed of the system and the recording speed of the optical drive speed to reduce the number of BURN occurrences and improve the quality and efficiency of disc recording. Background technique [0002] With the increase of recording speed of optical disc recorder, the speed of system transmission data must follow up to achieve the best recording quality and efficiency. However, not all systems transmit data at the same speed as the recording speed of the optical drive. Once the data transmission speed of the system is lower than the recording speed of the optical drive, the data in the buffer (Buffer) will be exhausted, which will happen The phenomenon that the bu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11B7/00G11B19/00G11B20/10
Inventor 陈凌风
Owner LITE ON IT
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