ASR straight from P25 IMBE codec parameters — skip audio reconstruction entirely and go from the digital bitstream to text. 290M Conformer-CTC, 3.35% WER with included language model on ...

imbe_vocoder library from osmocom OP25 . Contribute to nostar/imbe_vocoder development by creating an account on GitHub.

Abstract: APCO Project 25 (P25) digital radios became widespread for either government or personal communication in the last two decades. Since the P25 standards are quite old, performance of its ...