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libspeex
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nb_celp.c
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Author
2006-04-10
ringing computation now done with 16-bit accuracy.
jm
2006-04-09
moved some temporary variables from decoder state to scratch space
jm
2006-04-08
weighted signal now in 16-bit precision, saving 500 bytes in the encoder state
jm
2006-04-08
removed unused variables and cleaned up some non-C89ness
jm
2006-04-07
LPC analysis window now stored as constant in code -> 400 bytes off the
jm
2006-04-07
another 640 bytes removed from the encoder state (using the input data instead
jm
2006-04-07
removed the decoder output buffer -- saving 640 bytes. Synthesis now done with
jm
2006-04-07
Fixed several fixed-point regressions:
jm
2006-04-01
non-causal comb filter
jm
2006-03-20
Fix the Vorbis curve for the smaller LPC window.
jm
2006-03-18
new experimental comb filter code
jm
2006-03-15
Making it easier to play with the excitation as I see fit.
jm
2006-02-20
reduced lpc lookahead from 10ms to 5ms. No significant impact on quality.
jm
2006-02-12
fixed a bug when a packet is lost and submode-encoding is disabled.
jm
2005-12-22
remove debug code
jm
2005-12-19
vorbis-psy with 256 samples
jm
2005-12-19
save old curve
jm
2005-10-16
prevents wierd things from happening when a large number of packets are missing
jm
2005-10-11
Hooks are in for using any masking curve.
jm
2005-10-10
lpc floor converted to fixed-point
jm
2005-10-06
packet loss tuning (and fixed-point improvements)
jm
2005-10-05
cleaning up noise floor for fixed-point (not complete yet)
jm
2005-10-01
Improved packet loss concealment
jm
2005-06-09
Allow the stack to be allocated with speex_alloc_scratch()
jm
2005-06-05
Packet loss concealment converted to fixed-point. Added hooks for blackfin
jm
2005-05-27
Proper de-allocation
jm
2005-05-26
Allow setting the encoder and decoder stacks at compile time
jm
2005-05-26
Better check for memory allocation failure
jm
2005-05-26
Fixed-point fixes for 16-bit archs
jm
2005-05-23
Changed storage of lpc coefficients so that it no longer contains a0 (= 1).
jm
2005-05-02
Added some control on the aggressiveness of the pitch predictor in the form of
jm
2005-04-29
Think I fixed the PLC slowdown due to denorm/underflow. Also don't re-
jm
2005-04-25
Autodetection of C99 variable arrays and alloca. The pseudo-stack is only used
jm
2005-04-22
More work on fixed-point operators
jm
2005-04-22
Added some more fixed-point operators
jm
2005-04-22
Fixed-point improvements (moved some stuff to 16-bit arithmetic)
jm
2005-03-30
Removed another bunch of warnings (when using some of the -W options)
jm
2005-03-30
fixed-point cleanup, removed some warnings
jm
2005-03-15
Merged a modified version of Jamey Hicks' C55 patch, fixed a
jm
2005-03-03
Now possible to put temporary arrays directly on the (real) stack
jm
2005-03-03
First cleanup step for stack allocation
jm
2005-03-02
cleanup
jm
2005-03-01
Reduced unnecessary buffers (reduced memory usage)
jm
2005-02-09
Added a shortcut for ringing computation
jm
2005-02-09
A bit less agressive on ringing computation (complexity 0), but simplified
jm
2005-02-08
removed some useless memory access
jm
2005-02-04
Removed redundent filtering calls, added complexity 0 (even more shortcuts)
jm
2005-02-02
Misc fixed-point fixes
jm
2005-01-06
applied symbian related config and casting diffs from Colin Ward
conrad
2004-09-22
Fixed scaling problem for fixed-point
jm
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