Audacity Forum

... then you can decode by applying this command via the Nyquist Prompt effect (Audacity 2.1.0) (mult *track* (hzosc 17500.0)) As with other forms of encoding, to be able to decode, you need to know how it was encoded. The idea that a person's subconscious can ...

... I've read a few historic threads from 2011 on the details of creating subliminals on Audacity, including using Nyquist for creating frequencies ... used for? (highpass8 (lowpass8 (mult (lowpass8 (highpass8 s 300) 7000) (hzosc 45000) (hzosc 59500)) 20000) 14000) I also found when I tried to get ...

Better quality conversion of the "Subliminal" signal back to speech again can be achieved like this: (defun demod (s-in cf) (mult s-in (hzosc cf))) (multichan-expand #'demod s 17500) This assumes that during "encoding" a carrier frequency of 17500 Hz was used. If this is not ...

... Steve's code from: Audacity_1.2.x > Mac OS X > Silent Subliminal Function I think I have a finally ... (mult 2 (cut #'lowpass8 (hp sound 80) cutoff) (hzosc carrier)))) (cut #'highpass8 result carrier))) ... / 2 / 1.414... = 15592Hz Original under Silent Subliminals with Audacity - text is in German ...

... (mult 2 (lowpass8 (highpass8 s 300) 3000) (hzosc CarrierFreq)) CarrierFreq) CarrierFreq) but ... sound quality is reduced. If you mix the "silent subliminal" with some music (as in my ... be pretty boring to listen to "silent subliminals" without "background" ...

... 17500) (highpass8 (lowpass8 (mult 2 (lowpass8 (highpass8 s 150) 7000) (hzosc carrier)) 17500) 17500) None. I don't make "subliminals" Fair enough.

... (mult (lowpass8 (highpass8 s 300) 7000) (hzosc 45000) (hzosc 59500)) 20000) 14000) and the ... The original code was closer to Lowry's silent subliminal presentation system (US Patent ... your subliminal's? None. I don't make "subliminals". As I said in my first post on ...

I have been asked about how to change the silent subliminal back into audible sound. I can't speak for "silent subliminals" made by other methods, but assuming ... (lowpass8 (mult (lowpass8 (highpass8 s 300) 7000) (hzosc 45000) (hzosc 60500)) 20000) 15000) This code modulates ...