In our radio broadcasting world 100% modulation (or more?) has been the goal for decades. However, we now find ourselves entering a new paradigm where consistency and quality eclipse loudness as an audio level objective. What do units of audio loudness mean? If 0 dB isn’t the goal, then what is? -16 LKFS? John Kean is a leading expert on perceived audio loudness, plus he’s a prominent broadcast engineer. Let’s hear from John and understand what this world of audio loudness sounds like and find out why it’s changing.



Show notes:



* AES Technical Document AESTD1008.1.21-9* BS-1770: Algorithms to measure audio programme loudness and true-peak audio level* Dolby: Guide to Loudness in Media* More information on BS-1770 loudness measurement from Meterplugs.com* ProTools: AES Update Loudness Recommendations For Audio Only Streaming



Guests



John Kean - Kean Consultants, LLC



Host



Kirk Harnack, The Telos Alliance, Delta Radio, Star94.3, & South Seas Broadcasting



Follow Kirk on Twitter - @kharnackFollow TWiRT on Twitter - @TWiRTshow and Facebook



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