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Adds some references, bumps version number
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3 changed files with 22 additions and 6 deletions
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@ -20,7 +20,7 @@ CFLAGS := -Drestrict= $(CFLAGS)
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###################### END OF OPTIONS ######################
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CFLAGS += -DOPUS_VERSION='"0.9.9"'
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CFLAGS += -DOPUS_VERSION='"0.9.10"'
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include silk_sources.mk
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include celt_sources.mk
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include opus_sources.mk
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@ -9,7 +9,7 @@ m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
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OPUS_MAJOR_VERSION=0
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OPUS_MINOR_VERSION=9
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OPUS_MICRO_VERSION=9
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OPUS_MICRO_VERSION=10
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OPUS_EXTRA_VERSION=
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OPUS_VERSION="$OPUS_MAJOR_VERSION.$OPUS_MINOR_VERSION.$OPUS_MICRO_VERSION$OPUS_EXTRA_VERSION"
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@ -2,7 +2,7 @@
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<!DOCTYPE rfc SYSTEM 'rfc2629.dtd'>
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<?rfc toc="yes" symrefs="yes" ?>
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<rfc ipr="trust200902" category="std" docName="draft-ietf-codec-opus-11">
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<rfc ipr="trust200902" category="std" docName="draft-ietf-codec-opus-12">
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<front>
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<title abbrev="Interactive Audio Codec">Definition of the Opus Audio Codec</title>
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@ -53,7 +53,7 @@
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</address>
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</author>
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<date day="17" month="February" year="2012" />
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<date day="24" month="April" year="2012" />
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<area>General</area>
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@ -6771,7 +6771,7 @@ The processing for voiced and unvoiced speech is described in
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<xref target='ltp_quantizer_overview_section'/>, and the quantized LTP
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coefficients are used to compute the LTP residual signal.
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This LTP residual signal is the input to an LPC analysis where the LPCs are
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estimated using Burg's method, such that the residual energy is minimized.
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estimated using Burg's method <xref target="Burg"/>, such that the residual energy is minimized.
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The estimated LPCs are converted to a Line Spectral Frequency (LSF) vector
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and quantized as described in <xref target='lsf_quantizer_overview_section'/>.
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After quantization, the quantized LSF vector is converted back to LPC
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@ -6811,7 +6811,7 @@ faster than the autocovariance method.
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The implementation of Burg's method differs from traditional
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implementations in two aspects.
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The first difference is that it
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operates on autocorrelations, similar to the Schur algorithm, but
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operates on autocorrelations, similar to the Schur algorithm <xref target="Schur"/>, but
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with a simple update to the autocorrelations after finding each
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reflection coefficient to make the result identical to Burg's method.
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This brings down the complexity of Burg's method to near that of
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@ -7709,6 +7709,22 @@ Robust and Efficient Quantization of Speech LSP Parameters Using Structured Vect
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</front>
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</reference>
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<reference anchor="Burg">
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<front>
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<title>Maximum Entropy Spectral Analysis</title>
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<author initials="JP." surname="Burg" fullname="J.P. Burg"><organization/></author>
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</front>
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</reference>
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<reference anchor="Schur">
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<front>
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<title>A fixed point computation of partial correlation coefficients</title>
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<author initials="J." surname="Le Roux" fullname="J. Le Roux"><organization/></author>
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<author initials="C." surname="Gueguen" fullname="C. Gueguen"><organization/></author>
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</front>
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<seriesInfo name="ICASSP-1977, Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing, pp. 257-259, October" value="1977"/>
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</reference>
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</references>
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<section anchor="ref-implementation" title="Reference Implementation">
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