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In Reply to: RE: that brings up more questions??? posted by BigguyinATL on August 15, 2014 at 08:57:07
I made the same basic point in my reply to your earlier thread "Relevant loudspeaker tests" about 5 weeks ago. See http://www.audioasylum.com/audio/speakers/messages/33/335392.html. For convenience, here it is:
"Rooms and loudspeakers are only part of the problem. Musical instruments and microphones are two other parts of it.
With current "practical" technology, we cannot reproduce a musical instrument sound via a recording and subsequent reproduction system. It cannot happen.
Start with the source - a musical instrument. The sound is different at every position around the instrument. This sound is radiated into a room, which imparts its own aural signature. Couple that with the fact that every instrument has a different radiation pattern.
A microphone only picks up the direct sound of the instrument from one point in space, and picks up the room ambient sound, and imparts its own signature due to frequency-dependent and other characteristics. This then is "reproduced" through a single point via a loudspeaker which has a singular radiation pattern, and re-radiates the single-point sound into another room!
Given this, it's amazing that stereo systems sound as good as they do - even if they don't sound like real instruments!"
***
As a follow-up, as long as we're back on this topic, some people misunderstood my use of the phrase "single point via a loudspeaker" in that post. The microphone which picks up the sound is a single point in the room (unless someone wants to nit-pick microphone diaphragm size - which DOES matter, but not for this dicussion).
What I was referring to with regard to the loudspeaker was the loudspeaker location - i.e., a "single location", as opposed to emanating from the entire room, not specifically a particular type of speaker or "point source" speaker. I would have thought that everyone here would have understood that, and hope this clears up any misunderstanding.
This simple fact that a microphone captures direct instrument sound at only one point around the instrument, and also picks up the room's ambient sound (which has the room's sonic characteristics) from a multitude of directions, AND imparts its own sonic signature due to its directional characteristics which vary with frequency, AND its own tailored on-axis curve, and crushes it all together to be "reproduced" from a SINGLE LOCATION VIA A LOUDSPEAKER in the room, which has a singular fixed radiation pattern which does not vary based on the instrument being reproduced, renders futile any attempt to make a cello sound like a real cello, or a trumpet sound like a real trumpet.
Back to the OP's original question:
"Some of us look for speakers that excel at reproducing certain types of instruments or sounds in music. Which ones?"
Rock 'n rollers seem to prefer "boom-sizzle".
:)
Follow Ups:
I never posted "relevant loudspeaker tests" must have me mixed up with someone else. I did ask several questions more than once in this post..yet you seem to think I need to know something else. And you seem to think what you say is an absolute fact. Somewhere in this post someone said "live performances sound better". That is my experience too. All I want to know is why? I am here to pick up ideas to make my system sound better. I think there are no more easy improvements. It sounds amazing to me every time I listen to it. Thanks for your help...
Cloudwalker, my post in this thread was in reply to BigGuyInAtl, wherein he described some of what I had already posted in his thread "Relevant loudspeaker tests" five weeks ago. I felt it was worth referencing and elaborating upon. If you read it, you'll understand.
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