[stream-properties]
Audio/Sink:node.name:auto_null={"volume":1.000000, "channelVolumes":[1.000000, 1.000000], "mute":false, "channelMap":["FL", "FR"]}
Output/Audio:application.name:Firefox={"volume":1.000000, "channelVolumes":[1.000000, 1.000000], "mute":false, "channelMap":["FL", "FR"]}