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Headphones and Vacuum Tubes
MikeO3:
Since on the subject of the Cowboy Junkies... This was just posted today:
https://www.soundstagexperience.com/index.php/encore/1010-the-trinity-session-recorded-to-r-dat
--- Quote ---While it’s true that The Trinity Session was made using a single Calrec Ambisonic microphone, was it really captured using an R-DAT recorder? In this video, Peter J. Moore, the album’s producer and engineer, tells the truth about the technology of the time and what really went on during the recording. The answer might surprise you.
--- End quote ---
larryrup:
Thanks Mike for the list. I'm looking and sources several.
A while ago I uploaded a CJ concert that was recorded with the Chesky (like?) mannequin head and mics. The recording used just four mics, and I assume two were for the audience. The notes for the recording are attached. Scoot down to the last paragraph. Binaural and different experience.
LR
MikeO3:
Thanks for the notes! I have this recording actually so will have to take an attentive listen and try and spot the change at the time mark indicated. I think it's pretty cool they have so many recordings in the public domain.
Caught them a few times in my younger says in an around Toronto. Great to hear Margo's voice live in some of the smaller venues.
antenna:
--- Quote from: antenna on February 27, 2021, 10:58:55 pm ---...spatial aspect of the song...
--- End quote ---
If I may get little techie here...
At one time, I used to watch music in additional to listening to music. This was way before music videos came upon the scene.
As a good electrical engineer, I had an oscilloscope.
I used to connect the oscilloscope (in x-y mode) to the secondary preamp outputs (left channel to the vertical, right channel to the horizontal), and watch the Lissajous figures produced by the music. (primer on Lissajous figures... https://www.testandmeasurementtips.com/using-scope-display-lissajous-patterns/ )
"spatial" resulted in a circle on the oscilloscope screen.
"not spatial" resulted in a line on the oscilloscope screen.
OK, with that in mind. Something that I noticed when playing a silent track (i.e., no music, just quiet) from a vinyl album and a CD...
The CD's Lissajous figure was minimal. Not much going on. A small circle in the center of the screen.
The vinyl's Lissajous figure was much larger. Not surprising, given the inherently louder background noise of the vinyl.
But the interesting aspect was that the vinyl's Lissajous was circular. Indicating that there was a lot of out-of-phase information in the background noise of a vinyl album. And a significant majority of that out-of-phase background noise was very low frequency (i.e., less than 15Hz.)
That led me to wonder, was some of the "spaciousness" sound that has been attributed to vinyl a result of that out-of-phase low frequency background noise that seems to be inherent in vinyl?
Oscilloscopes are cool. :)
JimH:
Great post, antenna!
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