[MLA] ***SPAM*** Re: The Evolution of Contemporary Western Popular Music

Thomas Lund thomas at lund.one
Sun Feb 19 08:18:04 CET 2017


Hi Kevin,

It has been documented for ages that macrodynamics (MAD) in pop music isn’t changing much, but microdynamics (MID) certainly has been going down. How could the author be ignorant of such a fundamental distinction, which has been the fulcrum of many AES panels, papers and Ortner’s thesis?

A typical metric for MID is peak-to-loudness ratio. A typical metric for MAD is Loudness Range.

cheers,
Thomas


> On 18/02/2017, at 23.46, Kevin Gross <kevin.gross at comcast.net> wrote:
> 
> I found this part interesting, "...although music recordings become louder, their absolute dynamic variability has been conserved, understanding dynamic variability as the range between higher and lower loudness passages of a recording. However, and perhaps most importantly, one should notice that digital media cannot output signals over 0 dBFS, which severely restricts the possibilities for maintaining the dynamic variability if the median continues to grow."
> 
> Over the period studied, loudness came up but "the absolute difference between the first and third quartiles of x remains constant around 9.5 dB." I would suggest that the increase in loudness is because improved digital processing allows it. In the first paragraph I quoted, the authors predicted a future loss of dynamic range due to the 0 dBFS limit. But what appears to have happened instead in the 10 years since the most recent data in the study is that as we hit that 0 dBFS limit and fundamental limits of dynamics processing, the intensity of the loudness war has abated leaving us with the constant 9.5 dB loudness variability.
> 
> On Sat, Feb 18, 2017 at 2:44 AM, Grimm | Eelco <eelco at grimmaudio.com <mailto:eelco at grimmaudio.com>> wrote:
> I found this interesting article in Nature about the Evolution of Contemporary Western Popular Music. Even when skipping the hard core statistics, it offers interesting insights...
> 
> http://www.nature.com/articles/srep00521 <http://www.nature.com/articles/srep00521>
> 
> All the best,
> Eelco
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