diff --git a/sound/machines/airlock_close.ogg b/sound/machines/airlock_close.ogg
index bb24505e5dd..db94b73fb4b 100644
Binary files a/sound/machines/airlock_close.ogg and b/sound/machines/airlock_close.ogg differ
diff --git a/sound/machines/airlock_ext_close.ogg b/sound/machines/airlock_ext_close.ogg
index ae497fe764c..db94b73fb4b 100644
Binary files a/sound/machines/airlock_ext_close.ogg and b/sound/machines/airlock_ext_close.ogg differ
diff --git a/sound/machines/airlock_ext_open.ogg b/sound/machines/airlock_ext_open.ogg
index 2386a0c39fd..0b8a0d5f94f 100644
Binary files a/sound/machines/airlock_ext_open.ogg and b/sound/machines/airlock_ext_open.ogg differ
diff --git a/sound/machines/airlock_force_close.ogg b/sound/machines/airlock_force_close.ogg
index d49cbdb0e69..28b190d8e09 100644
Binary files a/sound/machines/airlock_force_close.ogg and b/sound/machines/airlock_force_close.ogg differ
diff --git a/sound/machines/airlock_open.ogg b/sound/machines/airlock_open.ogg
index 0daec2facfa..0b8a0d5f94f 100644
Binary files a/sound/machines/airlock_open.ogg and b/sound/machines/airlock_open.ogg differ
diff --git a/sound/machines/deniedbeep.ogg b/sound/machines/deniedbeep.ogg
index 2234ecf4646..1dde573a98d 100644
Binary files a/sound/machines/deniedbeep.ogg and b/sound/machines/deniedbeep.ogg differ