Horizon 1 1 34 AP : Autres productions 99 multigr. 2020 Plouzané LEMAR ; IRD fdi:010077719 ENG https://www.documentation.ird.fr/hor/fdi:010077719 Horizon (IRD) Matecho is an integrated and supervised Matlab processing chain, which allows realizing scientific echo-sounder data treatments. It allows applying, under user control, recent echo-sounder data processing methods needed to prepare and present acoustic data to their analysis and interpretation in the field of fisheries acoustics researches. 122