中文说明：A码到文本添加到低感知现有的音频文件。它允许用户输入该用稍后可用于提取由另一个用户的文本密钥隐藏在音频文件的文本。因此它达到隐身图的一个高的水平。
English Description：
A code to add a text to an existing audio file with low perceptibility. It allows the user to enter a text which is hidden in the audio file using a key which can later be used to extract the text by another user. Thus it achieves a high level of steganography.