spectrology's Introduction

spectrology

Images to audio files with corresponding spectrograms encoder.

Usage

usage: spectrology.py [-h] [-r] [-o OUTPUT] [-b BOTTOM] [-t TOP] [-p PIXELS]
                      [-s SAMPLING]
                      INPUT

positional arguments:
  INPUT                 Name of the image to be convected.

optional arguments:
  -h, --help            show this help message and exit
  -r, --rotate          Rotate image 90 degrees.
  -o OUTPUT, --output OUTPUT
                        Name of the output wav file. Default value: out.wav).
  -b BOTTOM, --bottom BOTTOM
                        Bottom frequency range. Default value: 200.
  -t TOP, --top TOP     Top frequency range. Default value: 20000.
  -p PIXELS, --pixels PIXELS
                        Pixels per second. Default value: 30.
  -s SAMPLING, --sampling SAMPLING
                        Sampling rate. Default value: 44100.

python spectrology.py test.bmp -b 13000 -t 19000

For more informations on this techique, see this article: https://solusipse.net/blog/post/basic-methods-of-audio-steganography-spectrograms/.

License

See LICENSE.

spectrology's Issues

I can not get it to successfully output a wav file - issue at line 119

The command I ran

sudo python /opt/spectrology/spectrology.py secret-text.bmp -b 16000 -t 25000 -p 120
Input file: secret-text.bmp.
Frequency range: 16000 - 25000.
Pixels per second: 120.
Sampling rate: 44100.
Rotate Image: no.

the error:

Traceback (most recent call last):
File "/opt/spectrology/spectrology.py", line 119, in
convert(*inpt)
File "/opt/spectrology/spectrology.py", line 101, in convert
output.writeframes(data.tostring())
AttributeError: 'array.array' object has no attribute 'tostring'

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