title: Ð¡ÐºÑÑÑÐ¾Ðµ ÑÐ¸ÑÑÐ¾Ð²Ð°Ð½Ð¸Ðµ Ð´Ð°Ð½Ð½ÑÑ Ð² Ð°ÑÐ´Ð¸Ð¾Ð¿Ð¾ÑÐ¾ÐºÐµ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Hidden data encryption in data stream
Creators: name: ÐÐ¾Ð»Ð°Ð¼Ð¸, ÐÐµÐ½ÐµÐ´Ð¸ÑÑ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2024
Subjects: cÑÐµÐ³Ð°Ð½Ð¾Ð³ÑÐ°ÑÐ¸Ñ
Ð°ÑÐ´Ð¸Ð¾Ð¿Ð¾ÑÐ¾Ðº
ÑÐ¸ÑÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
ÑÐ°ÑÑÐ¸ÑÐµÐ½Ð¸Ðµ ÑÐ¿ÐµÐºÑÑÐ°
ÑÐ°ÑÑÐ¸ÑÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
ÑÐ¾ÑÐ¼Ð°Ñ wav
ÑÐºÑÑÑÐ¸Ðµ
ÑÐ°ÑÐºÑÑÑÐ¸Ðµ
ÑÐ°ÑÑÐ¸ÑÑÑÑÐ¸Ðµ Ð¿Ð¾ÑÐ»ÐµÐ´Ð¾Ð²Ð°ÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸
steganography
audio stream
encryption
spread spectrum
decryption
wav format
hiding
unlocking
spreading sequences

description: ÐÐ±ÑÐµÐºÑ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ â Ð°ÑÐ´Ð¸Ð¾ÑÐ°Ð¹Ð» ÑÐ¾ÑÐ¼Ð°ÑÐ° WAV. Ð¦ÐµÐ»Ñ ÑÐ°Ð±Ð¾ÑÑ â Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐ¸ÑÑÐµÐ¼Ñ ÑÐºÑÑÑÐ¾Ð³Ð¾ ÑÐ¸ÑÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð¸ ÑÐ°ÑÑÐ¸ÑÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð´Ð°Ð½Ð½ÑÑ Ð² Ð°ÑÐ´Ð¸Ð¾Ð¿Ð¾ÑÐ¾ÐºÐµ . Ð£ÑÑÐµÐ½Ñ ÑÐµÑÐ¼Ð¸Ð½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ðµ Ð¾ÑÐ¾Ð±ÐµÐ½Ð½Ð¾ÑÑÐ¸ Ð¿ÑÐµÐ´Ð¼ÐµÑÐ½Ð¾Ð¹ Ð¾Ð±Ð»Ð°ÑÑÐ¸ Ð¸ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ñ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð½ÑÐµ ÑÑÐµÐ´ÑÑÐ²Ð° Ð´Ð»Ñ ÑÐµÑÐµÐ½Ð¸Ñ Ð·Ð°Ð´Ð°Ñ. ÐÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¾ ÑÐ¿ÐµÑÐ¸Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ðµ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð½Ð¾-Ð¼Ð°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ðµ Ð¾Ð±ÐµÑÐ¿ÐµÑÐµÐ½Ð¸Ðµ Matlab. Ð Ð¿ÐµÑÐ²Ð¾Ð¹ Ð¾ÑÐµÑÐµÐ´Ð¸ Ð±ÑÐ» Ð¸Ð·ÑÑÐµÐ½ ÑÐ¾ÑÐ¼Ð°Ñ Ð°ÑÐ´Ð¸Ð¾ÑÐ°Ð¹Ð»Ð° WAV 44,1ÐºÐÑ 16 Ð¸ ÑÐ¿Ð¾ÑÐ¾Ð±Ñ ÐµÐ³Ð¾ Ð¼Ð°Ð½Ð¸Ð¿ÑÐ»ÑÑÐ¸Ð¸ Ð² ÑÑÐµÐ´Ðµ Matlab. ÐÐ°Ð»ÐµÐµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ»Ð°ÑÑ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸Ñ Ð¾Ð±ÑÐ°Ð±Ð¾ÑÐºÐ¸ Ð°ÑÐ´Ð¸Ð¾ HDCD, ÐµÑ Ð¿ÑÐµÐ¸Ð¼ÑÑÐµÑÑÐ²Ð° Ð¸ Ð°Ð»Ð³Ð¾ÑÐ¸ÑÐ¼Ñ ÐµÑ Ð´ÐµÐºÐ¾Ð´Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ. ÐÐ°Ð»ÐµÐµÂ  Ð¾ÑÑÑÐµÑÑÐ²Ð¸Ð»ÑÑ Ð²ÑÐ±Ð¾Ñ Ð¼ÐµÑÐ¾Ð´Ð° ÑÐºÑÑÑÐ¸Ñ Ð´Ð²Ð¾Ð¹ÑÐ½ÑÑ Ð´Ð°Ð½Ð½ÑÑ Ð² ÑÐ¾Ð¼ Ð¶Ðµ Ð°ÑÐ´Ð¸Ð¾ÑÐ°Ð¹Ð»Ðµ, Ð²Ð¸Ð´ ÑÐ°ÑÑÐ¸ÑÑÑÑÐ¸Ñ Ð¿Ð¾ÑÐ»ÐµÐ´Ð¾Ð²Ð°ÑÐµÐ»ÑÐ½Ð¾ÑÑÐµÐ¹ Ð´Ð»Ñ ÑÐºÐºÑÑÑÐ¸Ñ Ð¸ ÑÐ°Ðº Ð¶Ðµ Ð¾ÑÐ¾Ð±ÐµÐ½Ð½Ð¾ÑÑÐ¸ ÑÐºÑÑÑÐ¸Ñ, ÑÐ°ÐºÐ¸Ðµ ÐºÐ°Ðº Ð¾Ð±ÐµÑÐ¿ÐµÑÐµÐ½Ð¸Ðµ Ð½Ð¸Ð·ÐºÐ¾Ð¹ ÑÑÐµÐ¿ÐµÐ½Ð¸ Ð·Ð°Ð¼ÐµÑÐ½Ð¾ÑÑÐ¸ Ð¸ ÑÐ¾ÑÐ¾ÑÐµÐ¹ Ð¿Ð¾Ð¼ÐµÑÐ¾ÑÑÑÐ¾Ð¹ÑÐ¸Ð²Ð¾ÑÑÐ¸.Â  ÐÐ°Ð»ÐµÐµ Ð¿ÑÐ¾Ð²ÐµÐ»Ð¾ÑÑ ÑÐºÑÑÑÐ¸Ðµ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¸ Ð² Ð°ÑÐ´Ð¸Ð¾Ð¿Ð¾ÑÐ¾ÐºÐµ ÑÐ¾ ÑÐ²Ð¾Ð¸Ð¼Ð¸ Ð¿Ð¾ÑÐ»ÐµÐ´ÑÑÐ¸Ð¼ ÑÐ°ÑÐºÑÑÑÐ¸ÐµÐ¼. Ð ÐºÐ¾Ð½ÐµÑÐ½Ð¾Ð¼ ÑÑÐ°Ð¿Ðµ Ð¿Ð¾ÑÑÑÐ¾Ð¸Ð»Ð¸ÑÑ ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ¸ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ð½Ð¾Ð¹ ÑÑÐµÐ³Ð°Ð½Ð¾ÑÐ¸Ð¼ÑÐµÐ¼Ñ Ð¸ Ð¾ÑÐµÐ½Ð¸Ð»Ð¾ÑÑ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´Ð¸ÑÐµÐ»ÑÐ½Ð¾ÑÑÑ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ð½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ.Â  Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ð½Ð°Ñ ÑÐ¸ÑÑÐµÐ¼Ð° Ð¼Ð¾Ð¶ÐµÑ Ð±ÑÑÑ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð° Ð´Ð»Ñ ÑÑÐ¸Ð»ÐµÐ½Ð¸Ñ Ð·Ð°ÑÐ¸ÑÑ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¸ Ð² ÑÐµÐ»ÐµÐºÐ¾Ð¼Ð¼ÑÐ½Ð¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½ÑÑ ÑÐ¸ÑÑÐµÐ¼Ð°Ñ, Ð² Ð±Ð¾ÑÑÐ±Ðµ Ð¿ÑÐ¾ÑÐ¸Ð² Ð¿Ð»Ð°Ð³Ð¸Ð°ÑÐ° Ð¸Ð»Ð¸ ÑÐ°Ð»ÑÑÐ¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¸ Ð¼ÑÐ»ÑÑÐ¸Ð¼ÐµÐ´Ð¸Ð¹Ð½ÑÑ ÑÐµÑÑÑÑÐ¾Ð², ÑÐ°Ð· Ð¾Ð½Ð° Ð¸ÑÐ¿Ð¾Ð»ÑÐ·ÑÐµÑ Ð¾Ð´Ð¸Ð½ Ð¿ÑÐµÐ¸Ð¼ÑÑÐµÑÑÐ²ÐµÐ½Ð½ÑÐ¹ Ð¿ÑÐ¸Ð½ÑÐ¸Ð¿: ÑÐºÑÑÑÐ¸Ðµ ÑÐ°ÐºÑÐ° ÑÑÑÐµÑÑÐ²Ð¾Ð²Ð°Ð½Ð¸Ñ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¸.
description: The object of study is an audio file in WAV format. The purpose of the work is to develop a system for hidden encryption and decryption of data in an audio stream based on the Matlab environment. Firstly, the WAV 44.1 kHz 16 audio file format and methods for its manipulation in the Matlab environment were studied. Next, we looked at HDCD audio processing technology, its advantages, and its decoding algorithms. Next, we chose a method for hiding binary data in the same audio file, the type of spreading sequences for hiding, and the features of hiding, such as ensuring a low degree of visibility and good noise immunity. Next, information was hidden in the audio stream with its subsequent disclosure. At the final stage, the characteristics of the developed steganosystem were built and the performance of the developed system was assessed. The developed system can be used to enhance information security in telecommunication systems, in the fight against plagiarism or falsification of multimedia resources, since it uses one advantageous principle: hiding the fact of the existence of information.