github.com/drowe67/codec2 - Codec 2 is an open source (LGPL 2.1) low bit rate speech codec: http://rowetel.com/codec2.html written in C99 standard C.

Age	Commit message (Expand)	Author
2023-12-09	added LPC/LSP and LPC post figure figures, plus code to generate them	drowe67
2023-12-09	aligning 700C figures with maths	David Rowe
2023-12-07	mic EQ and VQ mean removal maths	David Rowe
2023-12-07	building up 700C section	drowe67
2023-12-03	decoder description, mode table	drowe67
2023-12-01	LPC/LSP enocder description, decoder block diagram	drowe67
2023-11-30	phase model edits and LPC/LSP encoder block diagram	drowe67
2023-11-29	phase synthesis edits	drowe67
2023-11-28	draft of phase synthesis section	drowe67
2023-11-28	make notation more consistent across sections	drowe67
2023-11-27	first draft of voicing estimation	drowe67
2023-11-26	rough draft of phase synthesis copied from source	drowe67
2023-11-26	sinusoidal synthesiser figure	drowe67
2023-11-25	first pass of synthesis section	drowe67
2023-11-25	building up synthesis section	drowe67
2023-11-25	drafted sinusoidal analysis section	drowe67
2023-11-24	sinusoidal encoder block diagram	drowe67
2023-11-24	first draft of NLP section, Glossary	drowe67
2023-11-23	moved some introductory info from DD to Intro	drowe67
2023-11-23	Mooneer's suggestions - thanks	drowe67
2023-11-23	inserted DC notch into NLP	David
2023-11-23	building up NLP figure	David
2023-11-23	building up detailed design intro	drowe67
2023-11-20	encoder block diagram	drowe67
2023-11-20	building up encoder block diagram	drowe67
2023-11-20	parameter updates	drowe67
2023-11-19	sinusoidal figure OK	drowe67
2023-11-19	building up sinusoid figure	drowe67
2023-11-19	macro for sinusoid	drowe67
2023-11-19	drafted time-freq speech section, building up sinsuoidal model figure	drowe67
2023-11-19	building up plot support	drowe67
2023-11-18	kicking off Codec 2 documentation	drowe67
2023-11-04	Merge pull request #30 from drowe67/drowe67-patch-2	drowe67
2023-11-04	A little more PLT policydrowe67-patch-2	drowe67
2023-11-03	Merge pull request #26 from drowe67/drowe67-patch-1	drowe67
2023-11-03	typodrowe67-patch-1	drowe67
2023-11-03	fix link	drowe67
2023-11-03	Adjusted C focus to be on C99, less on gcc	drowe67
2023-11-02	Update README.md	drowe67
2023-11-02	stm32 tweak	drowe67
2023-11-02	include stm32 in list of paused code	drowe67
2023-11-02	another version of the deprecated features section	David Rowe
2023-11-02	Update README.md	drowe67
2023-11-02	edits	drowe67
2023-11-02	Update README.md	drowe67
2023-10-02	Merge pull request #7 from majbthrd/mpidefine	drowe67
2023-09-24	Merge pull request #9 from drowe67/ms-1600-squelch-2	drowe67
2023-09-20	Merge pull request #10 from psylity/README-microcontrollers-build-fix	drowe67
2023-09-19	microcontrollers build CMakeLists.txt example fix	psylity
2023-09-17	Fix issue with squelch remaining enabled on 1600 even when disabled.ms-1600-squelch-2	Mooneer Salem