TITANIC: Identified sound balance usage in the engine

20 files changed, 70 insertions, 68 deletions

diff --git a/engines/titanic/carry/arm.cpp b/engines/titanic/carry/arm.cpp
index a67937ebdf..cbc14da477 100644
--- a/engines/titanic/carry/arm.cpp
+++ b/engines/titanic/carry/arm.cpp
@@ -161,7 +161,7 @@ bool CArm::MaitreDHappyMsg(CMaitreDHappyMsg *msg) {
 	CGameObject *petItem;
 	if (find(getName(), &petItem, FIND_PET)) {
 		if (!_field158)
-			playSound("z#47.wav", 100, 0, 0);
+			playSound("z#47.wav");
 		if (_string6 == "Key" || _string6 == "AuditoryCentre") {
 			CGameObject *child = dynamic_cast<CGameObject *>(getFirstChild());
 			if (child) {
diff --git a/engines/titanic/carry/brain.cpp b/engines/titanic/carry/brain.cpp
index 102d8d9049..64b068697b 100644
--- a/engines/titanic/carry/brain.cpp
+++ b/engines/titanic/carry/brain.cpp
@@ -68,7 +68,7 @@ bool CBrain::UseWithOtherMsg(CUseWithOtherMsg *msg) {
 			petMoveToHiddenRoom();
 			CAddHeadPieceMsg headpieceMsg(getName());
 			headpieceMsg.execute(msg->_other);
-			playSound("z#116.wav", 100, 0, 0);
+			playSound("z#116.wav");
 			setPosition(Point(0, 0));
 			setVisible(false);
 			_field134 = 1;
diff --git a/engines/titanic/carry/bridge_piece.cpp b/engines/titanic/carry/bridge_piece.cpp
index a2cb23add6..487ea32df6 100644
--- a/engines/titanic/carry/bridge_piece.cpp
+++ b/engines/titanic/carry/bridge_piece.cpp
@@ -60,7 +60,7 @@ bool CBridgePiece::UseWithOtherMsg(CUseWithOtherMsg *msg) {
 		return true;
 	} else {
 		setVisible(false);
-		playSound("z#54.wav", 100, 0, 0);
+		playSound("z#54.wav");
 		setPosition(shipSetting->_pos1);
 		shipSetting->_itemName = getName();
 		petMoveToHiddenRoom();
diff --git a/engines/titanic/carry/carry_parrot.cpp b/engines/titanic/carry/carry_parrot.cpp
index 5e9a738e93..57d82af78a 100644
--- a/engines/titanic/carry/carry_parrot.cpp
+++ b/engines/titanic/carry/carry_parrot.cpp
@@ -124,7 +124,7 @@ bool CCarryParrot::MouseDragEndMsg(CMouseDragEndMsg *msg) {
 			setVisible(false);
 			_fieldE0 = 0;
 			CParrot::_v4 = 2;
-			playSound("z#475.wav", 100, 0, 0);
+			playSound("z#475.wav");
 			sound8(true);
 			moveUnder(findRoom());
 
@@ -139,7 +139,7 @@ bool CCarryParrot::MouseDragEndMsg(CMouseDragEndMsg *msg) {
 		} else {
 			setVisible(false);
 			_fieldE0 = 0;
-			playSound("z#475.wav", 100, 0, 0);
+			playSound("z#475.wav");
 			sound8(true);
 			moveUnder(findRoom());
 		}
@@ -171,7 +171,7 @@ bool CCarryParrot::PassOnDragStartMsg(CPassOnDragStartMsg *msg) {
 		startTalking(npc, 0x446BF);
 
 	_fieldE0 = 0;
-	playSound("z#475.wav", 100, 0, 0);
+	playSound("z#475.wav");
 	moveUnder(findRoom());
 	msg->_value4 = 1;
 
@@ -208,7 +208,7 @@ bool CCarryParrot::ActMsg(CActMsg *msg) {
 			CActMsg actMsg("Shut");
 			actMsg.execute("ParrotCage");
 		} else {
-			playSound("z#475.wav", 100, 0, 0);
+			playSound("z#475.wav");
 
 			if (!_feathersFlag) {
 				CCarry *feathers = dynamic_cast<CCarry *>(getRoot()->findByName("Feathers"));
diff --git a/engines/titanic/core/game_object.cpp b/engines/titanic/core/game_object.cpp
index 7848734792..edfce7f2ee 100644
--- a/engines/titanic/core/game_object.cpp
+++ b/engines/titanic/core/game_object.cpp
@@ -732,10 +732,10 @@ void CGameObject::loadSound(const CString &name) {
 	}
 }
 
-int CGameObject::playSound(const CString &name, uint volume, int val3, bool repeated) {
+int CGameObject::playSound(const CString &name, uint volume, int balance, bool repeated) {
 	CProximity prox;
 	prox._channelVolume = volume;
-	prox._fieldC = val3;
+	prox._balance = balance;
 	prox._repeated = repeated;
 	return playSound(name, prox);
 }
@@ -758,9 +758,9 @@ int CGameObject::playSound(const CString &name, CProximity &prox) {
 	return 0;
 }
 
-int CGameObject::queueSound(const CString &name, uint priorHandle, uint volume, int val3, bool repeated) {
+int CGameObject::queueSound(const CString &name, uint priorHandle, uint volume, int balance, bool repeated) {
 	CProximity prox;
-	prox._fieldC = val3;
+	prox._balance = balance;
 	prox._repeated = repeated;
 	prox._channelVolume = volume;
 	prox._priorSoundHandle = priorHandle;
diff --git a/engines/titanic/core/game_object.h b/engines/titanic/core/game_object.h
index d72fd94ac4..0da3fad605 100644
--- a/engines/titanic/core/game_object.h
+++ b/engines/titanic/core/game_object.h
@@ -189,24 +189,30 @@ protected:
 
 	/**
 	 * Plays a sound
-	 * @param resName	Filename of sound to play
+	 * @param name		Filename of sound to play
 	 * @param volume	Volume level
+	 * @param balance	Sound balance (not actually used in original)
+	 * @param repeated	If true, sound will repeat indefinitely
 	 */
-	int playSound(const CString &name, uint volume = 100, int val3 = 0, bool repeated = false);
+	int playSound(const CString &name, uint volume = 100, int balance = 0, bool repeated = false);
 
 	/**
 	 * Plays a sound
-	 * @param resName	Filename of sound to play
+	 * @param name		Filename of sound to play
 	 * @param prox		Proximity object with the sound data
 	 */
 	int playSound(const CString &name, CProximity &prox);
 
 	/**
 	 * Queues a sound to play after a specified one finishes
-	 * @param resName	Filename of sound to play
-	 * @param volume	Volume level
-	 */
-	int queueSound(const CString &name, uint priorHandle, uint volume = 100, int val3 = 0, bool repeated = false);
+	 * @param name			Filename of sound to play
+	 * @param priorHandle	Sound to wait until finished before playing
+	 * @param volume		Volume level
+	 * @param balance		Sound balance (not actually used by original)
+	 * @param repeated		If true, sound will repeat indefinitely
+	 */
+	int queueSound(const CString &name, uint priorHandle, uint volume = 100,
+		int balance = 0, bool repeated = false);
 
 	/**
 	 * Stop a sound
diff --git a/engines/titanic/game/computer.cpp b/engines/titanic/game/computer.cpp
index 90574997b1..3077b46178 100644
--- a/engines/titanic/game/computer.cpp
+++ b/engines/titanic/game/computer.cpp
@@ -46,7 +46,7 @@ void CComputer::load(SimpleFile *file) {
 
 bool CComputer::ActMsg(CActMsg *msg) {
 	if (_state) {
-		playSound("a#35.wav", 100, 0, 0);
+		playSound("a#35.wav");
 		playMovie(32, 42, 0);
 
 		if (msg->_action == "CD1")
@@ -66,11 +66,11 @@ bool CComputer::ActMsg(CActMsg *msg) {
 bool CComputer::MouseButtonDownMsg(CMouseButtonDownMsg *msg) {
 	if (_currentCD == "None") {
 		if (_state) {
-			playSound("a#35.wav", 100, 0, 0);
+			playSound("a#35.wav");
 			playMovie(11, 21, 0);
 			_state = 0;
 		} else {
-			playSound("a#34.wav", 100, 0, 0);
+			playSound("a#34.wav");
 			playMovie(0, 10, 0);
 			_state = 1;
 		}
@@ -81,7 +81,7 @@ bool CComputer::MouseButtonDownMsg(CMouseButtonDownMsg *msg) {
 			actMsg.execute(_currentCD);
 			_currentCD = "None";
 		} else {
-			playSound("a#34.wav", 100, 0, 0);
+			playSound("a#34.wav");
 			playMovie(21, 31, 0);
 			_state = 1;
 		}
@@ -92,10 +92,10 @@ bool CComputer::MouseButtonDownMsg(CMouseButtonDownMsg *msg) {
 
 bool CComputer::MovieEndMsg(CMovieEndMsg *msg) {
 	if (msg->_endFrame == 90) {
-		playSound("a#32.wav", 100, 0, 0);
-		playSound("a#33.wav", 100, 0, 0);
-		playSound("a#31.wav", 100, 0, 0);
-		playSound("a#0.wav", 100, 0, 0);
+		playSound("a#32.wav");
+		playSound("a#33.wav");
+		playSound("a#31.wav");
+		playSound("a#0.wav");
 
 		gotoView("Home.Node 4.E", "_TRACK,3,e-cu,4,E");
 	}
diff --git a/engines/titanic/game/computer_screen.cpp b/engines/titanic/game/computer_screen.cpp
index 0572258cef..9a7ac4b34e 100644
--- a/engines/titanic/game/computer_screen.cpp
+++ b/engines/titanic/game/computer_screen.cpp
@@ -57,7 +57,7 @@ bool CComputerScreen::ActMsg(CActMsg *msg) {
 }
 
 bool CComputerScreen::MovieEndMsg(CMovieEndMsg *msg) {
-	playSound("z#47.wav", 100, 0, 0);
+	playSound("z#47.wav");
 	addTimer(0, 3000, 0);
 
 	for (int idx = 0; idx < 10; ++idx)
diff --git a/engines/titanic/game/fan_noises.cpp b/engines/titanic/game/fan_noises.cpp
index c6e6d203dd..9144f523f4 100644
--- a/engines/titanic/game/fan_noises.cpp
+++ b/engines/titanic/game/fan_noises.cpp
@@ -34,7 +34,7 @@ BEGIN_MESSAGE_MAP(CFanNoises, CGameObject)
 END_MESSAGE_MAP()
 
 CFanNoises::CFanNoises() : CGameObject(), _state(-1),
-	_soundHandle(0), _soundPercent(70), _soundV3(-1), _soundSeconds(0),
+	_soundHandle(0), _soundPercent(70), _soundBalance(0), _soundSeconds(0),
 	_stopSeconds(0), _startFlag(true) {
 }
 
@@ -43,7 +43,7 @@ void CFanNoises::save(SimpleFile *file, int indent) {
 	file->writeNumberLine(_state, indent);
 	file->writeNumberLine(_soundHandle, indent);
 	file->writeNumberLine(_soundPercent, indent);
-	file->writeNumberLine(_soundV3, indent);
+	file->writeNumberLine(_soundBalance, indent);
 	file->writeNumberLine(_soundSeconds, indent);
 	file->writeNumberLine(_stopSeconds, indent);
 	file->writeNumberLine(_startFlag, indent);
@@ -56,7 +56,7 @@ void CFanNoises::load(SimpleFile *file) {
 	_state = file->readNumber();
 	_soundHandle = file->readNumber();
 	_soundPercent = file->readNumber();
-	_soundV3 = file->readNumber();
+	_soundBalance = file->readNumber();
 	_soundSeconds = file->readNumber();
 	_stopSeconds = file->readNumber();
 	_startFlag = file->readNumber();
@@ -75,12 +75,12 @@ bool CFanNoises::EnterRoomMsg(CEnterRoomMsg *msg) {
 
 		switch (_state) {
 		case 1:
-			_soundHandle = playSound("b#60.wav", 0, _soundV3, true);
+			_soundHandle = playSound("b#60.wav", 0, _soundBalance, true);
 			setSoundVolume(_soundHandle, _soundPercent, _soundSeconds);
 			_startFlag = true;
 			break;
 		case 2:
-			_soundHandle = playSound("b#58.wav", 0, _soundV3, true);
+			_soundHandle = playSound("b#58.wav", 0, _soundBalance, true);
 			setSoundVolume(_soundHandle, _soundPercent, _soundSeconds);
 			_startFlag = true;
 			break;
@@ -122,7 +122,7 @@ bool CFanNoises::StatusChangeMsg(CStatusChangeMsg *msg) {
 			switch (oldState) {
 			case 1:
 			case 2:
-				playSound("b#59.wav", _soundPercent, _soundV3);
+				playSound("b#59.wav", _soundPercent, _soundBalance);
 				break;
 			default:
 				break;
@@ -140,7 +140,7 @@ bool CFanNoises::StatusChangeMsg(CStatusChangeMsg *msg) {
 			switch (oldState) {
 			case 1:
 			case 2:
-				_soundHandle = playSound("b#60.wav", _soundPercent, _soundV3);
+				_soundHandle = playSound("b#60.wav", _soundPercent, _soundBalance);
 				break;
 			default:
 				break;
@@ -156,7 +156,7 @@ bool CFanNoises::StatusChangeMsg(CStatusChangeMsg *msg) {
 			}
 
 			if (oldState == 1) {
-				_soundHandle = playSound("b#58.wav", _soundPercent, _soundV3);
+				_soundHandle = playSound("b#58.wav", _soundPercent, _soundBalance);
 			}
 			break;
 
@@ -184,13 +184,13 @@ bool CFanNoises::LoadSuccessMsg(CLoadSuccessMsg *msg) {
 
 		switch (_state) {
 		case 1:
-			playSound("b#60.wav", 0, _soundV3, true);
+			playSound("b#60.wav", 0, _soundBalance, true);
 			setSoundVolume(_soundHandle, _soundPercent, _soundSeconds);
 			_startFlag = true;
 			break;
 
 		case 2:
-			playSound("b#58.wav", 0, _soundV3, true);
+			playSound("b#58.wav", 0, _soundBalance, true);
 			setSoundVolume(_soundHandle, _soundPercent, _soundSeconds);
 			_startFlag = true;
 			break;
diff --git a/engines/titanic/game/fan_noises.h b/engines/titanic/game/fan_noises.h
index 56c80c0764..488d42e79e 100644
--- a/engines/titanic/game/fan_noises.h
+++ b/engines/titanic/game/fan_noises.h
@@ -39,7 +39,7 @@ private:
 	int _state;
 	int _soundHandle;
 	int _soundPercent;
-	int _soundV3;
+	int _soundBalance;
 	int _soundSeconds;
 	int _stopSeconds;
 	bool _startFlag;
diff --git a/engines/titanic/game/television.cpp b/engines/titanic/game/television.cpp
index ba30fbe281..780f92b5ad 100644
--- a/engines/titanic/game/television.cpp
+++ b/engines/titanic/game/television.cpp
@@ -237,8 +237,8 @@ bool CTelevision::MovieEndMsg(CMovieEndMsg *msg) {
 	}
 
 	if (_fieldE0 == 3 && compareRoomNameTo("SGTState") && !getPassengerClass()) {
-		playSound("z#47.wav", 100, 0, 0);
-		_soundHandle = playSound("b#20.wav", 100, 0, 0);
+		playSound("z#47.wav");
+		_soundHandle = playSound("b#20.wav");
 		CMagazine *magazine = dynamic_cast<CMagazine *>(getRoot()->findByName("Magazine"));
 
 		if (magazine) {
diff --git a/engines/titanic/gfx/st_button.cpp b/engines/titanic/gfx/st_button.cpp
index 6fc31f4c64..d735796bd6 100644
--- a/engines/titanic/gfx/st_button.cpp
+++ b/engines/titanic/gfx/st_button.cpp
@@ -68,7 +68,7 @@ void CSTButton::load(SimpleFile *file) {
 
 bool CSTButton::MouseButtonDownMsg(CMouseButtonDownMsg *msg) {
 	playMovie(0);
-	playSound(_soundName, 100, 0, 0);
+	playSound(_soundName);
 
 	return true;
 }
diff --git a/engines/titanic/npcs/deskbot.cpp b/engines/titanic/npcs/deskbot.cpp
index d11b135983..5b6364f1cb 100644
--- a/engines/titanic/npcs/deskbot.cpp
+++ b/engines/titanic/npcs/deskbot.cpp
@@ -113,7 +113,7 @@ bool CDeskbot::MovieEndMsg(CMovieEndMsg *msg) {
 			petSetArea(PET_ROOMS);
 			dec54();
 			unlockMouse();
-			playSound("z#47.wav", 100, 0, 0);
+			playSound("z#47.wav");
 			_classNum = false;
 		}
 
diff --git a/engines/titanic/sound/auto_sound_player.cpp b/engines/titanic/sound/auto_sound_player.cpp
index 8267d65037..4a3a1fe7f8 100644
--- a/engines/titanic/sound/auto_sound_player.cpp
+++ b/engines/titanic/sound/auto_sound_player.cpp
@@ -33,7 +33,7 @@ BEGIN_MESSAGE_MAP(CAutoSoundPlayer, CGameObject)
 END_MESSAGE_MAP()
 
 CAutoSoundPlayer::CAutoSoundPlayer() : CGameObject(),
-	_fieldBC(0), _volume(70), _fieldD0(0), _repeated(false), _soundHandle(-1),
+	_fieldBC(0), _volume(70), _balance(0), _repeated(false), _soundHandle(-1),
 	_stopSeconds(0), _startSeconds(-1), _active(false), _fieldE8(0) {
 }
 
@@ -42,7 +42,7 @@ void CAutoSoundPlayer::save(SimpleFile *file, int indent) {
 	file->writeNumberLine(_fieldBC, indent);
 	file->writeQuotedLine(_filename, indent);
 	file->writeNumberLine(_volume, indent);
-	file->writeNumberLine(_fieldD0, indent);
+	file->writeNumberLine(_balance, indent);
 	file->writeNumberLine(_repeated, indent);
 	file->writeNumberLine(_soundHandle, indent);
 	file->writeNumberLine(_stopSeconds, indent);
@@ -58,7 +58,7 @@ void CAutoSoundPlayer::load(SimpleFile *file) {
 	_fieldBC = file->readNumber();
 	_filename = file->readString();
 	_volume = file->readNumber();
-	_fieldD0 = file->readNumber();
+	_balance = file->readNumber();
 	_repeated = file->readNumber();
 	_soundHandle = file->readNumber();
 	_stopSeconds = file->readNumber();
@@ -72,7 +72,7 @@ void CAutoSoundPlayer::load(SimpleFile *file) {
 bool CAutoSoundPlayer::TurnOn(CTurnOn *msg) {
 	if (_soundHandle == -1) {
 		CProximity prox;
-		prox._fieldC = _fieldD0;
+		prox._balance = _balance;
 		prox._repeated = _repeated;
 		if (_fieldE8)
 			prox._positioningMode = POSMODE_VECTOR;
diff --git a/engines/titanic/sound/auto_sound_player.h b/engines/titanic/sound/auto_sound_player.h
index c8f1d3480e..9f4d11ee06 100644
--- a/engines/titanic/sound/auto_sound_player.h
+++ b/engines/titanic/sound/auto_sound_player.h
@@ -38,7 +38,7 @@ public:
 	int _fieldBC;
 	CString _filename;
 	int _volume;
-	int _fieldD0;
+	int _balance;
 	bool _repeated;
 	int _soundHandle;
 	int _stopSeconds;
diff --git a/engines/titanic/sound/auto_sound_player_adsr.cpp b/engines/titanic/sound/auto_sound_player_adsr.cpp
index f9f045759b..d900ca0792 100644
--- a/engines/titanic/sound/auto_sound_player_adsr.cpp
+++ b/engines/titanic/sound/auto_sound_player_adsr.cpp
@@ -48,12 +48,12 @@ void CAutoSoundPlayerADSR::load(SimpleFile *file) {
 bool CAutoSoundPlayerADSR::TurnOn(CTurnOn *msg) {
 	if (_soundHandle == -1) {
 		if (!_soundName1.empty()) {
-			_soundHandle = playSound(_soundName1, _volume, _fieldD0);
+			_soundHandle = playSound(_soundName1, _volume, _balance);
 
 			if (!_soundName2.empty())
-				_soundHandle = queueSound(_soundName2, _soundHandle, _volume, _fieldD0);
+				_soundHandle = queueSound(_soundName2, _soundHandle, _volume, _balance);
 
-			_soundHandle = queueSound(_filename, _soundHandle, _volume, _fieldD0);
+			_soundHandle = queueSound(_filename, _soundHandle, _volume, _balance);
 			_active = true;
 		}
 	}
@@ -64,7 +64,7 @@ bool CAutoSoundPlayerADSR::TurnOn(CTurnOn *msg) {
 bool CAutoSoundPlayerADSR::TurnOff(CTurnOff *msg) {
 	if (_soundHandle != -1) {
 		if (!_soundName3.empty())
-			queueSound(_soundName3, _soundHandle, _volume, _fieldD0);
+			queueSound(_soundName3, _soundHandle, _volume, _balance);
 
 		if (isSoundActive(_soundHandle))
 			stopSound(_soundHandle);
diff --git a/engines/titanic/sound/gondolier_song.cpp b/engines/titanic/sound/gondolier_song.cpp
index a33ba12cd5..541ef7142f 100644
--- a/engines/titanic/sound/gondolier_song.cpp
+++ b/engines/titanic/sound/gondolier_song.cpp
@@ -49,9 +49,9 @@ bool CGondolierSong::TurnOn(CTurnOn *msg) {
 			int volume = _value * _volume / 100;
 
 			if (_startSeconds == -1) {
-				_soundHandle = playSound(_filename, volume, _fieldD0, _repeated);
+				_soundHandle = playSound(_filename, volume, _balance, _repeated);
 			} else {
-				_soundHandle = playSound(_filename, 0, _fieldD0, _repeated);
+				_soundHandle = playSound(_filename, 0, _balance, _repeated);
 				setSoundVolume(_soundHandle, _volume, _startSeconds);
 			}
 
diff --git a/engines/titanic/sound/proximity.cpp b/engines/titanic/sound/proximity.cpp
index 59639fd9b5..517f22208b 100644
--- a/engines/titanic/sound/proximity.cpp
+++ b/engines/titanic/sound/proximity.cpp
@@ -25,13 +25,14 @@
 
 namespace Titanic {
 
-CProximity::CProximity() : _field4(0), _channelVolume(100), _fieldC(0),
-		_priorSoundHandle(-1), _field14(0), _frequencyMultiplier(0.0), _field1C(1.875),
-		_repeated(false), _channelMode(10), _positioningMode(POSMODE_NONE), _azimuth(0.0),
-		_range(0.5), _elevation(0), _posX(0.0), _posY(0.0), _posZ(0.0),
+CProximity::CProximity() : _channelVolume(100), _balance(0),
+		_priorSoundHandle(-1), _frequencyMultiplier(0.0), _frequencyAdjust(1.875),
+		_repeated(false), _channelMode(10), _positioningMode(POSMODE_NONE), 
+		_azimuth(0.0), _range(0.5), _elevation(0), 
+		_posX(0.0), _posY(0.0), _posZ(0.0),
 		_hasVelocity(false), _velocityX(0), _velocityY(0), _velocityZ(0),
-		_field54(0), _field58(0), _field5C(0), _freeSoundFlag(false), _endTalkerFn(nullptr),
-		_talker(nullptr), _soundDuration(0), _soundType(Audio::Mixer::kPlainSoundType) {
+		_freeSoundFlag(false), _endTalkerFn(nullptr), _talker(nullptr),
+		_soundDuration(0), _soundType(Audio::Mixer::kPlainSoundType) {
 }
 
 } // End of namespace Titanic
diff --git a/engines/titanic/sound/proximity.h b/engines/titanic/sound/proximity.h
index adad97d099..06fd2b1d3e 100644
--- a/engines/titanic/sound/proximity.h
+++ b/engines/titanic/sound/proximity.h
@@ -36,13 +36,11 @@ typedef void (*CEndTalkerFn)(TTtalker *talker);
 
 class CProximity {
 public:
-	int _field4;
 	int _channelVolume;
-	int _fieldC;
+	int _balance;
 	int _priorSoundHandle;
-	int _field14;
 	double _frequencyMultiplier;
-	double _field1C;
+	double _frequencyAdjust;
 	bool _repeated;
 	int _channelMode;
 	PositioningMode _positioningMode;
@@ -56,9 +54,6 @@ public:
 	double _velocityX;
 	double _velocityY;
 	double _velocityZ;
-	int _field54;
-	int _field58;
-	int _field5C;
 	bool _freeSoundFlag;
 	CEndTalkerFn _endTalkerFn;
 	TTtalker *_talker;
diff --git a/engines/titanic/sound/sound_manager.cpp b/engines/titanic/sound/sound_manager.cpp
index 81ec5bc475..fb55e7dad9 100644
--- a/engines/titanic/sound/sound_manager.cpp
+++ b/engines/titanic/sound/sound_manager.cpp
@@ -371,7 +371,7 @@ int QSoundManager::playWave(CWaveFile *waveFile, int iChannel, uint flags, CProx
 		return 0;
 
 	prox._channelVolume = CLIP(prox._channelVolume, 0, 100);
-	prox._fieldC = CLIP(prox._fieldC, -100, 100);
+	prox._balance = CLIP(prox._balance, -100, 100);
 
 	int slotIndex = findFreeSlot();
 	if (slotIndex == -1)
@@ -399,7 +399,7 @@ int QSoundManager::playWave(CWaveFile *waveFile, int iChannel, uint flags, CProx
 		break;
 	}
 
-	if (prox._frequencyMultiplier || prox._field1C != 1.875) {
+	if (prox._frequencyMultiplier || prox._frequencyAdjust != 1.875) {
 		uint freq = (uint)(waveFile->getFrequency() * prox._frequencyMultiplier);
 		qsWaveMixSetFrequency(iChannel, 8, freq);
 	}