面向多声道三维音频的和差压缩编码技术
发布时间：2018-08-09 17:59
【摘要】：分析了传统基于单声道对的和差(M/S)编码技术,针对三维音频系统的空间特性将其拓展为基于三声道的和差编码技术(3D-M/S)。并提出一种基于3D-M/S的音频编码框架,使其能够压缩任意声道配置的三维音频系统。实验结果表明与独立声道编码相比,所提方法能够在相同码率下提高约25%的客观质量。并且在同等质量下,所提方法引起编解码复杂度的增加约为基于PCA编解码方法的1/3。
[Abstract]:The traditional M/S coding technology based on mono channel pair is analyzed. In view of the spatial characteristics of the 3D audio system, it is extended to three channel based and differential coding (3D-M/S). An audio coding framework based on 3D-M/S is proposed to compress the three-dimensional audio system of arbitrary channel matching. The experimental results show that the audio channel is independent of the sound channel. Compared with the code, the proposed method can improve the objective quality of about 25% at the same bit rate. And under the same quality, the complexity of the codec caused by the proposed method is about 1/3. based on the PCA codec method.
【作者单位】： 武汉大学国家多媒体软件工程技术研究中心;
【基金】：国家自然科学基金资助项目(61231015,61102127,61201340,61201169) 湖北自然科学基金资助项目(2011CDB451,2012FFB04205)~~
【分类号】：TN912.3
[Abstract]:The traditional M/S coding technology based on mono channel pair is analyzed. In view of the spatial characteristics of the 3D audio system, it is extended to three channel based and differential coding (3D-M/S). An audio coding framework based on 3D-M/S is proposed to compress the three-dimensional audio system of arbitrary channel matching. The experimental results show that the audio channel is independent of the sound channel. Compared with the code, the proposed method can improve the objective quality of about 25% at the same bit rate. And under the same quality, the complexity of the codec caused by the proposed method is about 1/3. based on the PCA codec method.
【作者单位】： 武汉大学国家多媒体软件工程技术研究中心;
【基金】：国家自然科学基金资助项目(61231015,61102127,61201340,61201169) 湖北自然科学基金资助项目(2011CDB451,2012FFB04205)~~
【分类号】：TN912.3
【参考文献】
相关期刊论文 前1条
1 殷福亮;汪林;陈U，
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