diff --git a/source/platform/pbubtube.cpp b/source/platform/pbubtube.cpp
index 65e39cca9..213ba8450 100644
--- a/source/platform/pbubtube.cpp
+++ b/source/platform/pbubtube.cpp
@@ -114,9 +114,21 @@ void CNpcBubbleTubePlatform::processMovement( int _frames )
 			if ( extension )
 			{
 				m_extension += extension;
+
+				if(m_soundId==NOT_PLAYING)
+				{
+					m_soundId=CSoundMediator::playSfx(CSoundMediator::SFX_ELEVATOR_LOOP,true,true);
+				}
 			}
 			else
 			{
+				if ( m_soundId != NOT_PLAYING )
+				{
+					CSoundMediator::stopAndUnlockSfx( (xmPlayingId) m_soundId );
+				}
+
+				m_soundId=CSoundMediator::playSfx(CSoundMediator::SFX_ELEVATOR_STOP,true,true);
+
 				if ( m_returning )
 				{
 					m_isActivated = false;
diff --git a/source/platform/pjellfsh.cpp b/source/platform/pjellfsh.cpp
index bd0bfa2d1..49a46b3d2 100644
--- a/source/platform/pjellfsh.cpp
+++ b/source/platform/pjellfsh.cpp
@@ -51,6 +51,7 @@ void CNpcJellyfishPlatform::postInit()
 	m_dipCount = 0;
 	m_dipOffset = 0;
 	m_contactTimeout = 0;
+	m_silent = true;
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/source/platform/plift.cpp b/source/platform/plift.cpp
index 42a866073..cf646e998 100644
--- a/source/platform/plift.cpp
+++ b/source/platform/plift.cpp
@@ -126,9 +126,21 @@ void CNpcLiftPlatform::processMovement( int _frames )
 			if ( extension )
 			{
 				m_extension += extension;
+
+				if(m_soundId==NOT_PLAYING)
+				{
+					m_soundId=CSoundMediator::playSfx(CSoundMediator::SFX_ELEVATOR_LOOP,true,true);
+				}
 			}
 			else
 			{
+				if ( m_soundId != NOT_PLAYING )
+				{
+					CSoundMediator::stopAndUnlockSfx( (xmPlayingId) m_soundId );
+				}
+
+				m_soundId=CSoundMediator::playSfx(CSoundMediator::SFX_ELEVATOR_STOP,true,true);
+
 				if ( m_returning )
 				{
 					m_isActivated = false;
diff --git a/source/platform/plinear.cpp b/source/platform/plinear.cpp
index 0c2d933c0..678c8e4a1 100644
--- a/source/platform/plinear.cpp
+++ b/source/platform/plinear.cpp
@@ -22,6 +22,8 @@ void CNpcLinearPlatform::postInit()
 	CNpcPlatform::postInit();
 
 	m_npcPath.setPathType( CNpcPath::PONG_PATH );
+
+	m_silent = false;
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -35,6 +37,14 @@ void CNpcLinearPlatform::processMovement( int _frames )
 	bool pathComplete;
 	bool waypointChange;
 
+	if ( !m_silent )
+	{
+		if(m_soundId==NOT_PLAYING)
+		{
+			m_soundId=CSoundMediator::playSfx(CSoundMediator::SFX_ELEVATOR_LOOP,true,true);
+		}
+	}
+
 	s16 headingToTarget = m_npcPath.think( Pos, &pathComplete, &waypointChange, &xDist, &yDist );
 
 	if ( !pathComplete )
diff --git a/source/platform/plinear.h b/source/platform/plinear.h
index 8dda3ef7a..f334785a1 100644
--- a/source/platform/plinear.h
+++ b/source/platform/plinear.h
@@ -24,6 +24,8 @@ public:
 	virtual void		postInit();
 protected:
 	void				processMovement( int _frames );
+
+	u8					m_silent;
 };
 
 #endif
\ No newline at end of file