The Real-Time Steganography Based on Audio-to-Audio Data Bit Stream

摘要

In recent years, it is common that the privacy is got by the third party in an illegal way. Steganography has focused the world's attentions as an important information hiding technology, especially in the statement of live broadcasting, which has the character of real-time and is a one-sender vs. plural-receivers system. In order to keep the important information secret to the specified receiver according to the data extracting technology even though the stego data had been sent to all the receivers, it makes senses to develop the Real-Time steganography technology. We present a new real-time steganography technology to embed real-time-made audio data into another audio data synchronously by dividing both the cover and embedded the audio data into frames with Bxed-size and using LSB rewriting method. We also analyze the embedding method to show that the amplitude makes no effort when embedding. We have got the conclusion that it is possible to embed the large-amplitude real-time-made audio data into low-amplitude cover audio data synchronously with the existence of the secret data being hardly aware of, which is to make the embedded secret audio data not that vulnerable.