envelope Envelope {
    attackTime = 0
    attackVolume = 127
    decayTime = -1
    decayVolume = 127
    releaseTime = 0
}

sound Sound {
    use("../../../../portal_pak_dir/sound/weapons/physcannon/energy_sing_loop4.wav")
    loopCount = -1
    loopEnd = -1
    pan=64
    envelope = Envelope
}