[Unit]
Description=Load PipeWire echo-cancel module for LVA
After=pipewire-pulse.service
Wants=pipewire-pulse.service

[Service]
Type=oneshot
RemainAfterExit=yes

# Use a shell so we can do a little logic:
# 1) Try to unload any existing echo-cancel module (ignore errors)
# 2) Load the WebRTC echo cancel module with our tuning options
ExecStart=/usr/bin/bash -lc '\
  pactl unload-module module-echo-cancel || true; \
  pactl load-module module-echo-cancel \
    aec_method=webrtc \
    aec_args="analog_gain_control=0 digital_gain_control=1 voice_detection=1" \
'

[Install]
WantedBy=default.target