[LAU] Looking for Audio Watermarking Advice & Tools

[Thomas Vecchione]

On Mon, Oct 24, 2011 at 4:46 AM, Lorenzo Sutton <lsutton at libero.it> wrote:
> I wonder if anyone ever thought of/done (something like) this:
>
> - Paint something with your favourite graphics editor, export to bitmap
> - Use a tool like ARSS [1] to resynthesise the bitmap only in a
> near-to-inaudible fequency range (say 16000 ~ 22000 Hz)
> - mix it with the original audio (so that the audio watermark is very low
> but strong enough to be visible in a spectrogram)
>

http://www.controlgeek.net/blog/2010/12/1/spectrogram-birthday.html

While they didn't use the inaudible spectrum, that was more because
they didn't need to.

     Seablade