One way is to use a Math Modifier in the Particle Group set to Fields that uses the same Sound Field to Add velocity on the Y Axis
https://www.dropbox.com/scl/fi/mzoawqf2if5mlpwzifbvt/sound_base_ctrl_single-Velocity-Math-01A.c4d?rlkey=1e18dwwdh76jgp84gmyvbpy2e&dl=0