feat: generic amount of echoes

proj/AudioProc.cache/wt/webtalk_pa.xml

proj/AudioProc.runs/impl_1/gen_run.xml

proj/AudioProc.runs/impl_1/htr.txt

proj/AudioProc.runs/impl_1/init_design.pb

proj/AudioProc.runs/impl_1/opt_design.pb

proj/AudioProc.runs/impl_1/place_design.pb

proj/AudioProc.runs/impl_1/route_design.pb

proj/AudioProc.runs/impl_1/vivado.jou

proj/AudioProc.runs/impl_1/vivado.pb

proj/AudioProc.runs/impl_1/write_bitstream.pb

proj/AudioProc.runs/synth_1/gen_run.xml

proj/AudioProc.runs/synth_1/vivado.jou

proj/AudioProc.runs/synth_1/vivado.pb

...m/sim_1/behav/xsim/xsim.dir/tb_firUnit_behav/obj/xsim_1.c

...v/xsim/xsim.dir/tb_firUnit_behav/webtalk/xsim_webtalk.tcl

...c.sim/sim_1/behav/xsim/xsim.dir/tb_firUnit_behav/xsim.mem

proj/AudioProc.sim/sim_1/behav/xsim/xvhdl.pb

proj/AudioProc.srcs/sources_1/imports/hdl/operativeUnit.vhd

proj/AudioProc.xpr

proj/tb_firUnit_behav.wcfg