Information Hiding Algorithm of G.723.1 High-rate Speech Flow

doi:10.3969/j.issn.1000-3428.2011.22.036

Computer Engineering ›› 2011, Vol. 37 ›› Issue (22): 114-115.

• Networks and Communications • Previous Articles Next Articles

Information Hiding Algorithm of G.723.1 High-rate Speech Flow

YANG Jun ^1, BAI Sen ¹, ZHU Gui-bin 1, LIU Jin ²

(1. Image Communication Laboratory, Chongqing Communication Institute, Chongqing 400035, China; 2. School of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan 430000, China)

Received:2011-06-07 Online:2011-11-18 Published:2011-11-20

G.723.1高速率语音流的信息隐藏算法

杨俊 ¹，柏森 ¹，朱桂斌 ¹，刘进 ²

(1. 重庆通信学院图像通信实验室，重庆 400035；2. 华中科技大学计算机科学与技术学院，武汉 430000)

作者简介:杨俊(1983－)，男，硕士研究生，主研方向：信息隐藏；柏森，教授；朱桂斌，副教授；刘进，博士研究生
基金资助:
重庆市自然科学基金资助项目(CSTC, 2008BB2296; CSTC, 2008BA0018)

Abstract

Abstract: This paper studies the hiding method of the G.723.1 high-rate speech coder which is used in streaming media communications, analyzes the hiding performance of Line Spectrum Frequency(LSF) parameters, then proposes the LSF parameters hiding performance analysis method based on critical bandwidth. By using the method of digital-position information, it proposes the information hiding algorithm of G.723.1 high-rate speech flow. Experimental results proves the validity of the proposed algorithm.

Key words: information hiding, streaming media, G.723.1 standard, Line Spectrum Frequency(LSF), digital-position information

摘要： 研究流媒体通信中G.723.1高速率语音编码器的分级隐藏方法，分析线谱对频率(LSF)参数的隐藏性能，给出一种基于临界带宽的LSF参数隐藏性能分析方法。在此基础上，结合数位信息法，提出一种G.723.1高速率语音流的信息隐藏算法。实验结果证明了该算法的有效性。

关键词: 信息隐藏, 流媒体, G.723.1标准, 线谱对频率, 数位信息

CLC Number:

TP309

YANG Dun, BAI Sen, SHU Gui-Bin, LIU Jin. Information Hiding Algorithm of G.723.1 High-rate Speech Flow[J]. Computer Engineering, 2011, 37(22): 114-115.

杨俊, 柏森, 朱桂斌, 刘进. G.723.1高速率语音流的信息隐藏算法[J]. 计算机工程, 2011, 37(22): 114-115.

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