Acoustic panel having oblique cavities

An acoustic panel for an aircraft propulsion assembly, comprising a first skin, a second skin and a cellular structure forming acoustic absorption cavities which each extend along an oblique axis relative to the first skin, wherein the acoustic absorption cavities are distributed into several groups including a first group of the acoustic absorption cavities that are inclined towards a front end of the panel along an axial direction of the aircraft propulsion assembly and a second group of the acoustic absorption cavities that are inclined towards a rear end of the panel along the axial direction of the aircraft propulsion assembly, wherein an inclination of the acoustic absorption cavities allows the acoustic absorption cavities to have an acoustic length greater than a distance between the first skin and the second skin, and

• wherein the cellular structure comprises a front block consisting of the acoustic absorption cavities of the first group and a rear block consisting of the acoustic absorption cavities of the second group.