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System for synchronization with nonstreaming device controller and a streaming data handler each supplying current location for synchronizing slave data and master data flow

机译：与非流设备控制器和流数据处理程序同步的系统，每个系统都提供用于同步从属数据和主数据流的当前位置

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摘要

Disclosed are apparatus and methods for synchronized presentation of analog and digital data by applying a common synchronization scheme to both types of data. Digital data is "streamed" by transferring the data in blocks from a source to a series of memory buffers, where it accumulates for subsequent transfer to an output device driver. The control module responsible for data streaming periodically reports a temporal location within the presentation represented by the data. A supervisory module designates one of the control modules a "master", and periodically compares the values reported by the various other control modules against that reported by the master. If a comparison exceeds a threshold tolerance value associated with each control module, a sync pulse is delivered to that control module, causing it to correct the synchronization mismatch.PPThis approach is applied to analog sources through the use of control modules that behave in a manner consistent with the digital control modules, but which are capable of directing the operation of analog devices and re- establishing their synchronization with other data sources despite limited modes of device control. Specifically, the control modules that handle analog information also periodically report a presentation location based solely on temporal information, react to sync pulses by altering the playback rate of the analog devices they control within user- tolerable limits, and can act as master control modules.

机译：公开了通过对两种类型的数据应用通用同步方案来同步呈现模拟和数字数据的装置和方法。通过将数据块中的数据从源传输到一系列存储缓冲区，可以“流式传输”数字数据，在此存储这些数字数据以供随后传输到输出设备驱动程序。负责数据流传输的控制模块会定期报告由数据表示的演示文稿中的时间位置。监督模块将控制模块之一指定为“主控”，并定期将各种其他控制模块报告的值与主控报告的值进行比较。如果比较结果超过与每个控制模块相关的阈值公差值，则将同步脉冲传递到该控制模块，以使其校正同步失配。

通过使用控制，该方法适用于模拟源这些模块的行为与数字控制模块一致，但尽管设备控制模式有限，但它们仍可指导模拟设备的操作并重新建立与其他数据源的同步。具体地说，处理模拟信息的控制模块还仅根据时间信息定期报告显示位置，通过在用户允许的范围内更改其控制的模拟设备的回放速率来对同步脉冲做出反应，并可以充当主控制模块。展开▼

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公开/公告号US5832309A

专利类型
公开/公告日1998-11-03

原文格式PDF
申请/专利权人 INTERNATIONAL BUSINESS MACHINES CORPORATION;
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申请/专利号US19960760172
发明设计人 BRADLEY DALE NOE;DAVID WILLIAM KILLIAN;WILLIAM WALLIS LAWTON;MICHAEL JOSEPH KOVAL;
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申请日1996-12-04
分类号G06F13/00;
国家 US
入库时间 2022-08-22 02:38:15

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