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Plug Your Audience Into A More Compelling Experience
Most folks don't listen to music analytically, they're there for entertainment, education and enjoyment. Your clients, your spouse and most likely your second engineer will notice "something different" about FiDef'd content. That something is a subtle and positive improvement in engagement and enjoyment.
FiDef is a wholly new tool for your audio toolbox. FiDef'd audio doesn't measure louder and the power spectrum is not changed. In fact, there's only the addition of what seems to be a veil of very low amplitude noise. That noise is what's special; it's the patented FiDef signal massaging your subconscious.
The Science
Supported by sophisticated research into how the human brain processes sound, FiDef informs the listener's auditory system of music's full potential. Independent research has shown that the brain response between FiDef and untreated audio is significant to 99%. Because the subtle effects of subaudible supplementation are modeled in the brain over time with familiarization, listeners unaccustomed to FiDef might not hear the difference immediately. Studies indicate that the brain uses inverse effectiveness to process FiDef'd music with less effort, in effect hearing more by working less. Hear more than you think.
Grounded firmly in experimentation and analysis, FiDef technology can increase definition, detail, intelligibility, soundstage width and depth and, most important, the emotional engagement of the listener. In short, with FiDef processing, your audio sounds better, without any change to workflows or delivery methods, even on data–compressed file types and older or low–fi playback gear.
Think Again
You may think you "know" how FiDef works, but you're probably wrong. It's simple if baffling in concept, complex in execution, and surprising in its results.
A Caveat
FiDef triggers cerebral activity necessary for humans to respond to recorded sound in the same manner as the brain would respond to a live performance. This is provided by introducing additional, sub–audible signals into the recording that trigger specific brain activity in the listener. The supplementing content is sub-audible because it is essentially below the level of audibility when played at a normal volume level, or is masked by the content when a recording is played at an elevated volume level.
As an engineer, it's a fact that you do not listen like your clients. Most likely, you are an analytical thinker and listener. Because FiDef is a psychoacoustic process, it may not have any impact if the listener resists its charms. We're talking full–on Jedi mind tricks, folks. If you are like many of us audio engineers, you are very much a "left–brain" person and discount what you cannot understand or explain. You are used to dissecting what you hear, you simply can't help it. Unfortunately, your conscious higher level brain function will suppress your unconscious brain, and FiDef acts subconsciously. Result? If you try too hard to hear it, you probably won't.
Though this is in direct opposition to the "impostor syndrome" you've worked so hard to overcome, there will be no noticeable effect if you "listen hard." That is; analytically. Most folks don't listen analytically, they listen casually and, in the case of music or dialog, for entertainment, education and enjoyment. However, your clients, your spouse and most likely your second engineer will notice "something different" about FiDef'd content. That something is usually a subtle and positive improvement in engagement and enjoyment. Remember, most folks don't listen rationally, they listen because it's fun.
Sounds like this whole FiDef thing is snake oil? Read below what some heavy hitting and highly respected engineers think of FiDef, and then drop your anti–B.S. bias into bypass and simply try it on your clients. After all, they are the final judge.

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