https://cateee.net/lkddb/web-lkddb/SND_SOC_MAX9860.html
Linux Kernel Driver DataBase: CONFIG_SND_SOC_MAX9860: Maxim MAX9860 Mono Audio Voice Codec
linux kernelvoice codecdriverdatabaseconfig
https://theapptimes.com/fraunhofers-full-hd-voice-codec-for-voip/
Fraunhofer's New Full-HD Voice Codec for Voip Apps
Dec 25, 2015 - Fraunhofer 's new invention Full-HD Voice Codec for VoIP Apps ensures that superior quality VoIP applications are run at Full-HD quality voice level.
full hdvoice codecfraunhofernewvoip
https://www.isca-archive.org/eurospeech_1989/satoh89_eurospeech.html
ISCA Archive - 8- and 16-kb/s APC-AB voice codec using a single chip DSP
isca archivevoice codeckbapcab
https://www.electronicdesign.com/technologies/analog/article/21752966/audio-codec-targets-digital-voice-and-audio
Audio Codec Targets Digital Voice And Audio | Electronic Design
The CMX649 compact, low-power, multimode audio-codec IC is now available to customers. Targeted specifically at the wireless digital-voice/audio-communications...
audio codecdigital voiceelectronic designtargets