voice recognition speech features selected sound database feature code Phonetic Alphabet transcription Speech coding Encoder

 Speech codecs Audio codecs PCM DPCM ADPCM CVSDM ATC SBC APC Adaptive Differential Pulse Code Modulation

 https://en.wikipedia.org/wiki/Category:Speech_codecs

 https://www.cs.columbia.edu/~hgs/audio/codecs.html

 https://sip-systems.com/f/voip-audio-codecs/

 https://en.wikipedia.org/wiki/Code-excited_linear_prediction

 voice recognition speech features selected sound database feature code Phonetic Alphabet transcription Speech coding  Encoder

 https://www.researchgate.net/figure/Semantic-levels-of-a-speech-signal_fig1_307889083

A study of transformer-based end-to-end speech recognition system for Kazakh language | Scientific Reports