Digital Speech Decoder (software package)
From The RadioReference Wiki
Discussion of application RRC of the filter with parametre an alpha = 0.2 for improvement signal Apco 25. http://www.radioscanner.ru/info/article434/
Discussion of application RRC of the filter with parametre an alpha = 0.2 for improvement signal Apco 25. http://www.radioscanner.ru/info/article434/