I use this for foobar v1


"NAVPAUSE","run;C:\Program Files\foobar2000\foobar2000.exe" /runcmd="Playback/Volume/Set to -12 dB"
"NAVRESUME","run;C:\Program Files\foobar2000\foobar2000.exe" /runcmd="Playback/Volume/Set to -0 dB"