Click to 'Open carrier files (F2)' or drag and drop audio file (flac, wav, wma, mp3,
ape) to Carrier audio files list.
Click to 'Add secret files (F3)' or drag and drop secret files into the Secret files list on the bottom
side of application.
Press F4 key or click to 'Encode secret files' button.
You can choose output audio format (wav, flac or ape). DeepSound does not support
wma output format. If you want to hide data into wma, hide secret data into wav
file and then use external software such as Windows Media Encoder for convert wav
to wma lossless audio format.
In 'Encode secret files' dialog window you can turn on/off AES-256 encryption. Modified
audio file will be copied to output directory. If you want to change output directory,
click to Settings.
Click to 'Encode secret files' button to start hiding secret files into carrier
audio file.
1.2 Extract secret data from audio file or audio CD track
To extract secret data from audio file, follow these steps:
In the Carrier audio files list, select audio file or audio CD track, which contains
secret data. If the secret files are encrypted, enter password.
After DeepSound analyze selected item and display secret files, click to 'Extract
secret files' button or press F5 key to extract secret files.
1.3 Create audio CD with secret data
DeepSound does not support creating audio CD with secret files. To create audio
CD, which contains secret data, first create audio file with secret data and then
use external software to burn audio file to an audio CD.
NOTICE: to prevent secret data corruption while burning audio CD, disable volume
normalization and any modifications of source audio files in CD burning software.
1.4 Output audio file quality
You can change the output audio file quality in Secret files panel. When you set
low quality, the final output file will contain a lot of background noise, but you
can hide most of secret data into audio file and conversely - high quality of output
file = less secret data.
Low quality of output audio file: max. secret data size = 1/2 of carrier
audio file (50MB of secret data in 100MB wav file)
Normal quality of output audio file: max. secret data size = 1/4 of carrier
audio file (25MB of secret data in 100MB wav file)
High quality of output audio file max. secret data size = 1/8 of carrier
audio file (12,5MB of secret data in 100MB wav file)
1.5 How to convert audio files
Open Audio Converter
To add input audio files use 'Add files (F2)' button. You can also add input audio files
by simply dragging them from another program and dropping to DeepSound Audio Converter.
Supported input audio formats are:
- Waveform Audio File Format (.wav)
- Free Lossless Audio Codec (.flac)
- Windows media audio lossless (.wma)
- MPEG audio layer-3 (.mp3)
- Monkey's Audio (.ape)
