M17 Project Codec2 has also been integrated into FreeSWITCH and there's a patch available for support in Asterisk. There was an FM-to-Codec2 digital voice...

technology licence from DVSI is required. The patent for IMBE has expired. Codec2 is an open source alternative which uses half of the bandwidth of AMBE to...

MP3 standard 700 bit/s – lowest bitrate open-source speech codec Codec2, but Codec2 sounds much better at 1.2 kbit/s 800 bit/s – minimum necessary for...

chat. A number of codecs with even lower bit rates have been demonstrated. Codec2, which operates at bit rates as low as 450 bit/s, sees use in amateur radio...

A/52 stream decoder (AC-3) libdca – a free DTS Coherent Acoustics decoder Codec2 – Low bitrate compression, primarily voice Free and open-source software...

Low latency, Studio/transmitter link, wireless audio Yes Yes No No No Codec2 David Rowe 2010-08-25 1.2.0 (2023-07-14) Free ? c2enc, c2dec Low bandwidth...

standards: NVOC – used in China Spirit DSP RALCWI DSPINI SPR Robust TWELP Robust Codec2 libcodec2 RL-CELP (used in Japanese railways) U.S. Department of Defense...

(RCELP) Low-delay CELP (LD-CELP) Adaptive Multi-Rate (used in GSM and 3GPP) Codec2 (noted for its lack of patent restrictions) Speex (noted for its lack of...

Link Repeater. FlexRadio Systems D-STAR equipment Transceivers—D-STAR, CODEC2, Analog FM Capable and all mode: FLEX-6700: HF-2m all mode including digital...