The Accomplishment of Embedding Audio Signal into SDI by FPGA

SHANG Qing-hua; YU Zhong-hui; ZHOU Chun-lei; SUN Yan-rong

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The Accomplishment of Embedding Audio Signal into SDI by FPGA

更新时间：2026-07-10

- The Accomplishment of Embedding Audio Signal into SDI by FPGA
- Vol. 15, Issue 1, Pages: 15-18(2010)
- 作者机构：
  
  1. 哈尔滨理工大学电气与电子工程学院
  2. 大连科迪视频技术有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN791
- Published：2010
- 稿件说明：
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SHANG Qing-hua, YU Zhong-hui, ZHOU Chun-lei, et al. The Accomplishment of Embedding Audio Signal into SDI by FPGA[J]. 2010, 15(1): 15-18.
DOI：

SHANG Qing-hua, YU Zhong-hui, ZHOU Chun-lei, et al. The Accomplishment of Embedding Audio Signal into SDI by FPGA[J]. 2010, 15(1): 15-18. DOI：

摘要

由于视频信号和音频信号的处理方式、传输通路方式不同

视音频信号出现了不同的延时

导致声音与图像不同步.为有效解决上述问题

设计了一种基于FPGA的多功能视音频信号转换系统

该系统在完成主电路、控制电路和外围接口电路设计的基础上

采用软件编程

将数字音频信号嵌入到SDI视频信号当中

实现了视音频信号同路传输

在实际应用中取得良好的效果.

Abstract

As the processing and transmitting of the video and audio signal in different ways

the video and audio signals have different delay time

and the sound and image are asynchronous. In order to solve the problem effectively mentioned above

a video-audio signal conversion system based FPGA is proposed in this paper

in which main circuits

control circuits and the peripheral I/O interface are disigned

and software is adopted to embed the digital video signals into SDI audio signal

so the video and audio can trans...

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