unittest - 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.

Mode	Name	Size
-rw-r--r--	CMakeLists.txt	4331	log plain
-rwxr-xr-x	check_comp.sh	1203	log plain
-rwxr-xr-x	check_peak.sh	1485	log plain
-rwxr-xr-x	check_real_comp.sh	658	log plain
-rw-r--r--	compare_floats.c	1768	log plain
-rw-r--r--	compare_ints.c	3397	log plain
-rwxr-xr-x	fading_files.sh	596	log plain
-rw-r--r--	freedv_700d_comprx.c	4529	log plain
-rw-r--r--	freedv_700d_comptx.c	1234	log plain
-rw-r--r--	hts1a.h	65362	log plain
-rw-r--r--	mksine.c	1023	log plain
-rwxr-xr-x	ofdm_check	2095	log plain
-rwxr-xr-x	ofdm_fade.sh	613	log plain
-rwxr-xr-x	ofdm_phase_est_bw.sh	983	log plain
-rwxr-xr-x	ofdm_time_sync.sh	1158	log plain
-rwxr-xr-x	reliable_text_fade.sh	726	log plain
-rwxr-xr-x	sum_debug_alloc	2156	log plain
-rw-r--r--	t16_8.c	2443	log plain
-rw-r--r--	t16_8_short.c	2216	log plain
-rw-r--r--	t48_8.c	2402	log plain
-rw-r--r--	t48_8_short.c	1792	log plain
-rw-r--r--	tcohpsk.c	12568	log plain
-rw-r--r--	tesno_est.c	763	log plain
-rwxr-xr-x	test_700c_eq.sh	472	log plain
-rw-r--r--	tfdmdv.c	12288	log plain
-rw-r--r--	tfifo.c	1821	log plain
-rw-r--r--	tfmfsk.c	5739	log plain
-rw-r--r--	tfreedv_2400A_rawdata.c	3344	log plain
-rw-r--r--	tfreedv_2400B_rawdata.c	3344	log plain
-rw-r--r--	tfreedv_800XA_rawdata.c	4343	log plain
-rw-r--r--	tfreedv_data_channel.c	8893	log plain
-rw-r--r--	tfsk.c	6818	log plain
-rw-r--r--	tfsk_llr.c	1475	log plain
-rw-r--r--	thash.c	409	log plain
-rw-r--r--	tnewamp1.c	9769	log plain
-rw-r--r--	tofdm.c	21650	log plain
-rw-r--r--	tofdm_acq.c	2939	log plain
-rw-r--r--	tqam16.c	1054	log plain
-rw-r--r--	tquisk_filter.c	1122	log plain
-rw-r--r--	tvq_mbest.c	927	log plain
-rw-r--r--	vq_mbest.c	9560	log plain