基于H.264的嵌入式音视频同步编码技术

被引:8
作者
李晓妮
陈贺新
孙元
陈绵书
刘添
机构
[1] 吉林大学通信工程学院
关键词
通信技术; 同步编码; 帧间预测编码; 音视频;
D O I
10.13229/j.cnki.jdxbgxb2011.05.021
中图分类号
TN919.81 [图像编码];
学科分类号
摘要
提出了一种在H.264帧间预测过程中嵌入音频的音视频同步压缩编码方法,利用H.264中匹配块的尺寸可变性,解决了音视频同步编码问题。在发送端,根据编码准则,不同尺寸的匹配块携带不同的音频信息,通过对匹配块的选择将音频压缩流嵌入视频中,然后对嵌入音频的视频流进行压缩编码。在解码端,根据嵌入准则,提取音频信息,再对音频和视频信号进行重构和恢复。实验表明,本文方法在一定开销内,视频质量下降较小的情况下,实现了音视频同步压缩编码和传输。
引用
收藏
页码:1475 / 1479
页数:5
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