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Created with Raphaël 2.2.02Jun131May2423222118171127Apr222018171530Mar2524221822Feb2120191817161293228Jan15131213121175431Dec30282524231154328Nov2726242322171653223Oct168725Sep9120Aug107437Jul23Jun8May28Apr21141013Mar27Feb242011613Jan1096226Dec25208127Nov1917Oct14127330Sep29264331Aug1Sep31Aug1410830Jul283130Jun2120191814May16Apr26Mar1924Feb7631Jan30292623222120191718171615141387654331Dec29282723222120171614111098543230Nov29272826252422212021201918191817161513We should now be able to be less conservative when using CBRMakes the encoder more aggressive about meeting the rate targetUsing more fine-grained complexity settings for SILKFixing bandwidth selection hysteresisBoosting the high-band bitrate on transients for hybrid modefix potential overflowAdd experimental support for ambisonic encodingFixes signed integer overlof in silk_ADD_POS_SAT32()Turn on DTX only when the noise is sufficiently quietNew DTX that works in all modes (SILK/CELT/HYBRID)Skip analysis if the frame contains only digital silenceNLSF_VQ_MAX_SURVIVORS is no longer usefultake advantage of more efficient NLSF quantization by reducing number of survivors in searchNLSF_del_dec_quant minor clean upNLSF_encode now also uses NLSF weights from tableNLSF VQ now uses absolute error, and predictionNLSF decoding now uses tables for NLSF weightssum_sqr_shift: reduced headroom (ie more preserved resolution); shift increments by one instead of twoSimplifying fast_atan2f()Quality: Increase CELT rate for voiced frames in hybrid modeBetter modeling of the effect of CBR and complexityRe-enabling high-band attenuation for hybrid modeQuality: Retrained classifier MLP with better dataUsing "hybrid" flag instead of "start!=0"Quality: Making the encoder more aggressive at using wider bandwidthsQuality: Removes high-band attenuation in hybrid mode -- at least for nowQuality: Adds SILK rate interpolation functionQuality: Makes real CELT VBR work for hybrid tooQuality: Forces trim to 5 on hybrid modeQuality: Encoding music in full-band stereo from 32 kb/sQuality: removes VBR attenuation at low bitratecomment about reduced codelength component in LTP quantizer error metricexp_lbr_tune6exp_lbr_tune6avoid double if statement for finding best quantized LTP coefsincrease NSQ decision delay from 32 to 40reduced noise floor in noise shaping analysis by 2 dBincrease order of noise shaping filtermore conservative scaling of LTP corrs; remove assert that checks for negative residual energy; discard CB entries leading to such negative energiesClean up: alignment of commentsClean up: replace tabs by spacesremoved prefilter