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Vibratory or Not?

This is a discussion that for me began on the Stereophile forum which went horribly wrong in my opinion. I was wondering though if this same topic could be discussed here as it comes up a lot in one form or another. My background has been about vibratory tuning as far back as the 70's work in the recording industry and continued into home audio and beyond. The audio signal is one that can be easily tuned, I doubt there is much room there for debate, but we will see, it's Audiogon after all. This being the case I have always concluded that the audio signal is vibratory so has anyone I have ever worked with. It's a common and sometimes even daily practice for someone here to make a vibratory adjustment changing the sound which is obvious to all.

On some of these forum threads however you will see posts saying to get rid of the vibration, without any explanation as to how to remove vibration without altering the audio signal. Every vibratory move I have ever seen done changes the performance of the sound. I've also been a part of the variables of the audio signal during play in real time. If the audio signal is not vibratory how does it change?

I invite you to discuss the vibratory structure and nature of the audio signal.

thanks, lets keep trolling to a minimum please

michaelgreenaudio
geoffkait's avatar
geoffkait
23,365 posts
 
Speaking of definitions,

fool’s par·a·dis noun:
  1. a state of happiness based on a person’s not knowing about or denying the existence of potential trouble.
glupson
7,842 posts
 
I know it may seem like a stretch, and it practically is, but when talking about vibrations and sound and regardless if you prefer them extra/modified/unadulterated, vibrations inside your head are very important part of the equation. However, they practically never get mentioned. It may be much harder to control them than placing a tube under the CD player, but maybe someone really dedicated can take them into consideration when tuning/tweaking sounds. Stick a helmet on the head (what material?), use Afrin before listening session, or something more innovative. That would be a really thorough approach to addressing vibrations. Hairstyles are another very important component of vibration management, yet they are also rarely mentioned.

As far as influence of vibrations on electrical signal in the head go, it may be much less pertinent than in other electrical applications.
inna
7,879 posts
 
You know, brain vibrates too and sometimes not quite in a right way. 
This is one of the most senseless threads on Audiogon of all times.
There is only one fundamental force in music.
It's the emotions, stupid. 
geoffkait's avatar
geoffkait
23,365 posts
 
Glubson, you realize there’s a very thin line between being stupid and pretending to be stupid, don’t you?

To all
pop quiz: in order for something to vibrate does it need to have mass?
geoffkait's avatar
geoffkait
23,365 posts
 

audionuttoo
MG, I concur. I have never heard two isolated systems sound the same - only different from an non isolated system.

>>>>I’m not surprised. You know, since no two systems sound the same, isolated or non isolated. Even the same system will sound different in different rooms. Furthermore, since there is no such thing as absolute isolation, isolation systems vary quite a bit in terms of sound quality by their very nature.

Isolation is as much art as science. Results in terms of sound quality depend on many factors - Fr of the isolating system, internal damping of the iso system, damping of the top plate, method of interfacing the component to the top plate, method of interfacing the isolating system to to floor or rack, and geographical location, since seismic type vibration intensity varies from location to location.

The percentage of transmission of vibration for an iso system will obviously be lower for locations well away from cities, subways, traffic, ocean shore, and geographic areas of high microseismic activity.

No matter how much you have in the end you would have had even more if you had started out with more in the beginning.
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