ITU R BS 1770:2012
ITU R BS 1770:2012 Algorithms To Measure Audio Programme Loudness And True-Peak Audio Level
Table of Contents
Annex1-Specificationoftheobjectivemultichannelloudnessmeasurementalgorithm
Appendix1toAnnex1(informative)-Descriptionand
developmentofthemultichannel
measurementalgorithm
1Introduction
2Background
3DesignoftheLeq(RLB)algorithm
4Subjectivetests
5Designofthemultichannelloudnessalgorithm
6Evaluationofthemultichannelalgorithm
Annex2-Guidelinesforaccuratemeasurementof"true-peak"
level
1Summary
2Blockdiagram
3Detaileddescription
Appendix1toAnnex2(informative)-Considerationsfor
accuratepeakmeteringofdigital
audiosignals
Whatistheproblem?
Howbadcantheproblembe?
Whatisthesolution?
Howshouldatrue-peakmeterbeimplemented?