一种基于DCT变换的音频数字水印，将MP3音乐声音文件转化为WAV声音文件，将水印信息嵌入到WAV声音文件，再将WAV声音文件转化为MP3音乐声音文件。 -DCT-based audio digital watermark, the MP3 music sound files into WAV sound files, the watermark information embedded into the WAV sound files, and then WAV sound files int

转换图像文件程序（方形，为音乐的最高120x120像素）文件（*. WAV和噪音）。你可以看在音乐谱图隐藏的图像 - 过程被称为声音隐秘。 -Program converts image file (square shape, maximum 120x120 pixels) into music file (*.wav, noise). You can watch the hidden image in spectrogram of music- process called sound s