| HDTV嵌入数字音频分析软件设计 |
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| 引用本文： | 刘越,章文辉.HDTV嵌入数字音频分析软件设计[J].电视技术,2012,36(2):12-14,23. |
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| 作者姓名： | 刘越 章文辉 |
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| 作者单位： | 中国传媒大学信息工程学院,北京,100024 |
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| 摘 要： | 详细介绍了基于SMPTE299标准规定的HD-SDI数据流格式及数字音频嵌入原理。编程实现了HDTV嵌入音频信号的解嵌,分析音频数据包和音频控制包的嵌入格式,并计算出音频幅值、采样频率、音频样值数和嵌入通道数。实验证明,采用该软件完全可以实现嵌入音频的分析。不同于基于硬件的解嵌系统,使用该软件价格低廉,具有广泛的实用价值。
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| 关 键 词： | 高清串行数字接口 数字音频 音频解嵌 |
Software Design of Digital Audio for HDTV Analysis |
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| LIU Yue
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ZHANG Wenhui.Software Design of Digital Audio for HDTV Analysis[J].Tv Engineering,2012,36(2):12-14,23. |
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| Authors: | LIU Yue ZHANG Wenhui |
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| Affiliation: | (School of Information and Engineering,Communication University of China,Beijing 100024,China) |
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| Abstract: | Based on SMPTE 299M standards,this paper introduces the theory of digital audio multiplexing and de-multiplexing in detail,and a software which realizes the function of analyzing the 24-bit digital audio format for HDTV is designed,including separate audio data packet and audio control packet,and then calculate audio data,frame sequence,sample number,channel number and so on.Experiments show that the digital audio analysis software is practicable,and much cheaper than hardware system. |
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| Keywords: | HD-SDI digital audio audio de-multiplexing |
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