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The Machinima videos are no less funny today than they were a decade ago.
Which is mostly because it's technically impossible for something to be less funny than "not at all." Mathematics doesn't always translate well to reality...
Actually, I was mostly just stating that it sounds best as loud as you can stand. Anything approaching 0 on a scale of quiet to 0uch-it-hz. Or any other scale that goes up to zero.
Also,
I eventually figured out that you were asking the question of reference as far as the voltage levels read on home vs pro audio gear... consumer grade for me, for now.
I've learned enough Ultrasound Physics to teach it to budding Ultrasound Techs (that is to say, very little) but I think sound is fascinating, both from an academic and an audiophile standpoint (though I don't particularly qualify for either of those standpoints)
Actually, I was mostly just stating that it sounds best as loud as you can stand. Anything approaching 0 on a scale of quiet to 0uch-it-hz. Or any other scale that goes up to zero.
Yeah, I got that.
Originally Posted by oilstain
I eventually figured out that you were asking the question of reference as far as the voltage levels read on home vs pro audio gear... consumer grade for me, for now.
I've learned enough Ultrasound Physics to teach it to budding Ultrasound Techs (that is to say, very little) but I think sound is fascinating, both from an academic and an audiophile standpoint (though I don't particularly qualify for either of those standpoints)
Well, close.
In broadcast audio, the reference level is some arbitrary signal level (voltage RMS in analog, bits in digital) where we say "This is the standard against which all other audio levels are judged, and it equates to 0VU (another totally arbitrary level) in this way..."
In the analog world, in pro audio, in North America, the reference level is typically +4dBu, which is a sine wave at 1 Khz with an RMS voltage of 1.23v. In consumer audio, with unbalanced lines, we use -10dBu, which is 0.32 vRMS. This is convenient for recording engineers, but inconvenient for equipment designers, since it tells you nothing about how much headroom you have above the reference level.
dBFS is a whole different ballgame, where we move into the digital world. In this, we're basically saying "20 dB below Full Scale." This reverses the problem above- you now know that you have 20 dB of headroom above reference, but no idea what the absolute "loudness" of the reference is.
(Yes, broadcast engineering is full of nonsensical and confusing measurements.)
I threw IRE in as a pink herring. It's a measure of analog video signal level, where 7.5 IRE is "black" in the NTSC standard in North America, but would register as "very dark grey" is PAL, SECAM, or Japanese NTSC.
Bonus nerdpoints if you can ID the relevance of this rather unusual redhead to the world of video timing and level standards:
Last edited by Joe Perez; 07-14-2016 at 11:56 AM.
Reason: SECAM, not NTSC
Kiki Stockhammer was once one of the most visible people on the internet, and in the video graphics industry. In the early 90's, she worked for a company called NewTek that made in innovative new product called Video Toaster. At the time, this product was designed for use on the Amiga computer, which had better graphics than any other. Video Toaster started the desktop computer video graphics revolution and won an Emmy. In 1994, Kiki and a number of other NewTek employees left and started a new company, Play Incorporated. This company also produced innovative video graphics products (it's technology is used in the new "Star Wars" movies). Kiki Stockhammer was the "face" of Play, Inc., appearing in their ads, and representing them at just about every computer convention and trade show there was. One of the company's products, GlobeCaster, was the worlds first internet TV station-in-a-box, so Kiki began appearing on an internet TV broadcast called "Kiki at Midnight". In 2000, Play Incorported was bought out, and Kiki disappeared from the Internet and trade show scene, never to be seen again.
07-13-2016, 03:39 PM
0
Nerdcat awarded. 
