Sonic Watermarking
Sonic Watermarking
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声波水印
DOI：
10.1155/s1110865704403138
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发表时间：
2004
影响因子：
1.9
通讯作者：
Ryuki Tachibana
中科院分区：
文献类型：
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作者：
Ryuki Tachibana
音频水印主要用于数字声音。在本文中，我们将其应用范围扩展到现场表演与一个新的组合方法的实时音频水印。声波水印将水印信号的声音和空气中的宿主声音混合，以检测从录音室录制的非法音乐记录。我们提出了一种音频水印算法的声音水印，增加主机信号的幅度只在分段区域伪随机选择的时间-频率平面。MUSHRA主观听音测试的结果将该方法的声学质量评定为“优秀质量”。“鲁棒性取决于音乐样本的类型。对于流行音乐和管弦乐，可以从已经被加了声音水印并且然后一旦被压缩在MPEG层文件中的音乐样本中稳定地检测水印。
Audio watermarking has been used mainly for digital sound. In this paper, we extend the range of its applications to live performances with a new composition method for real-time audio watermarking. Sonic watermarking mixes the sound of the watermark signal and the host sound in the air to detect illegal music recordings recorded from auditoriums. We propose an audio watermarking algorithm for sonic watermarking that increases the magnitudes of the host signal only in segmented areas pseudorandomly chosen in the time-frequency plane. The result of a MUSHRA subjective listening test assesses the acoustic quality of the method in the range of "excellent quality." The robustness is dependent on the type of music samples. For popular and orchestral music, a watermark can be stably detected from music samples that have been sonic-watermarked and then once compressed in an MPEG layer file.