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In Reply to: Re: Hey, John.. posted by John Elison on September 28, 2005 at 15:47:23:
Sorry to sound so excited.... :-)Thanks for doing this. I think it's really relevant. If you can get the vinyl -20dB plots you should be able to tell what the trend is compared to your 5cm/s measurement.
You know, in any other context a system that generates 0.2% 5th harmonic distortion would probably sound pretty bad. I don't have any way to give you a reference at this point, but I'm pretty sure that's above the threshold of audibility.
Of course, I have no idea where -60dB (relative to digital full scale) falls in terms of typical musical loudness, and therefore I can't really predict the musical relevance. As a thought experiment:
Let's say I'm listening to music that peaks around 100dB in my room, as measured by something like the RS meter in fast mode. Let's assume (and hope) that these peaks are not within 10dB of maximum (allowing for headroom in the digital system plus the inevitable meter error). that puts 0dB on disc at 110dB in the room. That means -60dB is at 50dB in room, right? It's 40dB if there is zero headroom.
Isn't that still well within the range of a lot of musical information? Think solo instrument in a symphony orchestra. Think about the quality of reverb decay in a large room...
Very interesting!
Peter
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Follow Ups
- This is REALLY cool... - Commuteman 10:28:56 09/29/05 (1)
- Re: This is REALLY cool... - John Elison 00:33:12 09/30/05 (0)