Example:
AUDIO::LOAD_STREAM("CAR_STEAL_1_PASSBY", "CAR_STEAL_1_SOUNDSET");
All found occurrences in the b678d decompiled scripts: pastebin.com/3rma6w5w
Stream names often ends with "_MASTER", "_SMALL" or "_STREAM". Also "_IN", "_OUT" and numbers.
soundSet is often set to 0 in the scripts. These are common to end the soundSets: "_SOUNDS", "_SOUNDSET" and numbers.