Rewrite of the lsp_to_lpc() algorithm by David Rowe. Removes a bunch of
[speexdsp.git] / libspeex / lsp.c
2006-06-05 jmRewrite of the lsp_to_lpc() algorithm by David Rowe...
2006-05-30 jmDavid's lsp patch broke the float version. It's fixed...
2006-05-28 jmPatch by David Rowe to make the inputs of cheb_poly_eva...
2006-04-16 jmminor tweaks to cheb_poly_eva()
2005-12-18 jmMoved spx_cos to math_approx.c and use it for initializ...
2005-05-25 jmFixed-point fixes for 16-bit archs
2005-05-23 jmChanged storage of lpc coefficients so that it no longe...
2005-04-24 jmsome cleaning up
2005-04-22 jmMore work on fixed-point operators
2005-04-22 jmAdded some more fixed-point operators
2005-03-15 jmMerged a modified version of Jamey Hicks' C55 patch...
2005-03-03 jmNow possible to put temporary arrays directly on the...
2005-02-09 jmmisc optimizations
2005-02-08 jmSome general (minor) optimizations
2005-02-07 jmchanged 0.0 to 0 for fixed-point version
2004-07-15 conradadded guarded #include "config.h" throughout libspeex...
2004-07-09 jmRemoved some warnings
2004-04-02 jmChanged some constants to single-precision
2004-01-18 jmSaves some useless "cos" calculations
2004-01-17 jmreplaced cos by an approximation for the float version
2003-11-29 jmfixed-point: fixed another overflow problem
2003-11-29 jmdebug code for fixed-point operators. Already fixed...
2003-11-27 jmfixed-point: bw_lpc and lpc_to_lsp are now done.
2003-11-27 jmfixed-point: lsp_enforce_margin argument no longer...
2003-11-14 jmfixed-point: fixed float regression
2003-11-12 jmput all fixed-point macros in a separate file (arch...
2003-11-11 jmfixed-point: increased precision of the cos approximati... Speex-1.1.2
2003-11-10 jmfixed-point: converted lsp_enforce_margin, some assembl...
2003-11-10 jmfixed-point: integerized lsp interpolation
2003-11-08 jmfixed-point: removed some float ops in lpc_to_lsp and...
2003-11-07 jmfixed-point: acos function approximated with fixed...
2003-11-02 jmfixed-point: added code to count MIPS
2003-11-02 jmfixed-point: removed some float ops in the LSP root...
2003-11-02 jm...
2003-11-02 jmfixed-point: cleaned up operators, removed a couple...
2003-11-01 jmfixed-point: cos approximation for lsp_to_lpc, removed...
2003-10-09 jmfixed-point: LSPs are now stored quantized
2003-10-08 jmfixed-point: QMF entirely in fixed-point now
2003-10-08 jmfixed-point: LSP quantization work, also LSP's are...
2003-10-08 jmfixed-point: saturation for lsp_to_lpc, probably not...
2003-10-08 jmfixed-point: more LPC/LSP cleanup
2003-10-08 jmfixed-point: LPC/LSP cleanup
2003-10-08 jmfixed-point: LPC and LSP types changed to word16
2003-10-08 jmfixed-point: lpc stuff
2003-10-08 jmfixed-point work on LSP's
2003-10-08 jmfirst step in fixed-point port, converted the LPC filters
2003-01-23 jmFixed a bunch of typos pointed to by: larry@doolittle...
2003-01-06 jmThink I made the stack operations more portable in...
2003-01-06 jmcleanup: all use of libc has been moved to misc.c to...
2002-12-19 jmOops... this bug was found by Ming Wu <mingwu@cyberon...
2002-11-06 jmMisc. cosmetic stuff
2002-10-27 jmMade the code valid for a C++ compiler (void* stuff...
2002-10-27 jmThe temp stack is now void* instead of float*
2002-10-26 jmStack allocation cleanup...
2002-10-24 jmDecoder optimizations, mostly when perceptual enhanceme...
2002-10-24 jmMore cleanups, do something more intelligent with LPC...
2002-10-21 jmFilter optimizations, cleanup, removed the stack POP...
2002-10-11 jmChanged license to BSD
2002-10-02 jmvalinFixed (hopefully) once and for all the LSP root-finding...
2002-08-27 jmvalinspeeded up lpc_to_lsp and open-loop pitch estimation
2002-07-07 jmvalinlicense/header stuff
2002-07-05 jmvalincode cleanup
2002-06-07 jmvalinImplemented an n-best open-loop pitch search to speed...
2002-06-05 jmvalinConstrain LSP's to produce a stable filter
2002-03-15 jmvalinAdjustable LPC analysis (lag windowing, noise floor...
2002-03-05 jmvalinBig cleanup... filter memories, stack allocation, ...
2002-02-15 jmvalinAdded long-term prediction, fixed subframe bugs, maybe...
2002-02-15 jmvalinadded perceptual weighting filter, bug fixes, fixed...
2002-02-14 jmvalinOops... now the LSPs are there. Also, lpcSize now repre...