Audacity Forum

Hi Frank.

The modified sound should not be louder than the original voice. You can also check the high frequency levels with spectrogram to see if they are too loud.

I'm no expert on the efficacy of "subliminal messaging", but having read a bit about it, there is very little documented evidence that Lowrey's method works at all. According to scientific research (of which there is lots because it has huge financial implications in terms of advertising and propag...

If it's not too complicated, could you explain what is the difference between "silent" subliminal AM and FM message?

Also what in practice means "silent"? What should then be non-silent?