<div dir="ltr">There's a lot of criticism of this work for what they did not measure. I was pointing out that one of the things that they did measure (macro dynamics) clearly does not support the thesis that pop music is measurably worse over the years.</div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Feb 19, 2017 at 12:18 AM, Thomas Lund <span dir="ltr"><<a href="mailto:thomas@lund.one" target="_blank">thomas@lund.one</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">Hi Kevin,<div><br></div><div>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?</div><div><br></div><div>A typical metric for MID is peak-to-loudness ratio. A typical metric for MAD is Loudness Range.</div><div><br></div><div>cheers,</div><div>Thomas</div><div><br></div><div><br><div><blockquote type="cite"><div>On 18/02/2017, at 23.46, Kevin Gross <<a href="mailto:kevin.gross@comcast.net" target="_blank">kevin.gross@comcast.net</a>> wrote:</div><br class="m_2096987465223451239Apple-interchange-newline"><div><div dir="ltr">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."<div><br></div><div>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 <i>predicted </i>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.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Feb 18, 2017 at 2:44 AM, Grimm | Eelco <span dir="ltr"><<a href="mailto:eelco@grimmaudio.com" target="_blank">eelco@grimmaudio.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">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...<br>
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<a href="http://www.nature.com/articles/srep00521" rel="noreferrer" target="_blank">http://www.nature.com/articles<wbr>/srep00521</a><br>
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All the best,<br>
Eelco<br>
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