Add check of sound's current volume before sending subtitles

Sources/Plasma/PubUtilLib/plAudio/plWin32Sound.cpp

@@ -117,7 +117,8 @@ void plWin32Sound::Update()
 			uint32_t currentTimeMs = (uint32_t)(GetActualTimeSec() * 1000.0f);
 			if (currentTimeMs <= srtReader->GetLastEntryEndTime()) {
 				while (plSrtEntry* nextEntry = srtReader->GetNextEntryStartingBeforeTime(currentTimeMs)) {
-					if (plgAudioSys::AreSubtitlesEnabled()) {
+					float currVol = QueryCurrVolume();
+					if (plgAudioSys::AreSubtitlesEnabled() && currVol > 0.01f) {
 						// add a plSubtitleMsg to go... to whoever is listening (probably the KI)
 						plSubtitleMsg* msg = new plSubtitleMsg(nextEntry->GetSubtitleText(), nextEntry->GetSpeakerName());
 						msg->Send();