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Created with Raphaël 2.2.03Jul28Jun1918171411108742131May302825232120181716151413121110854330Apr29242320131276528Mar6517Feb931Jan252414Dec13228Nov2518831Oct30292827262524212019181716141312111098765432130Sep2928272625232221201916151413111098765432131Aug3029282726252423222019181716151413121110875Nits before sending to RFC Editor.Add extern "C" protection to opus_multistream.h.Add exp_wip5 tag to version string.exp_wip6exp_wip6Reverts the transient_analysis() changes from 4e8b9905Fixes issues when downmixing to mono or when encoding below fullbandTonality and pitch tuningConverting most of the new code to fixed-point (not complete yet)Fixes some issues discovered with a log sweepTuning the dynalloc adjustments and checking for LF transientsAdds a 3 Hz high-pass filter and boost allocation on leakageDynalloc based on a bands that stand out of the "noise floor"Transient/VBR tuning, give more bits to frames where pitch changesNew transient code, weighted tonalityVBR tuningAdds automatic bandwidth detectionBetter training setAdds low-energy feature, training with noiseBetter trainingAdds MFCC standard deviation featuresDown to 17 features with same error rateAdds cepstral mean subtraction (CMS) to analysisContinuous trim calculations, tapset/spread now use new analysisSpeech/music discrimination (not used for anything yet)Cleanup, slightly changed analysis band layout, MFCC-like featuresCleans up the most ugly parts of the analysis codeAdds an analysis function to control VBRImplements a better transient metric for VBRUsing a "pure L1" metric for tf analysisUnconstrained VBR no longer attempt to hit an average rateFix SHA1 of the tar.gz in the draftDate/version change for the draftAdd Andrew D'Addesio to the acknowledgements.Some minor draft text clarifications.Rename opus_source.tar.gz to opus-rfcXXXX.tar.gz.Reference to the RFC for all other filesAdded reference to the RFC to all c/header filesAdd configure option to disable stack protector.Dos2unix, trailing whitespace on draft-spittka-payload-rtp-opus.xml.Trivial fixesdraft-15draft-15Adds the IETF copyright notice and 3-clause BSD to all draft files but the README