diff --git a/sound/ambience/ambicave.ogg b/sound/ambience/ambicave.ogg
index d78dc46a4ce..dac8135f8e3 100644
Binary files a/sound/ambience/ambicave.ogg and b/sound/ambience/ambicave.ogg differ
diff --git a/sound/ambience/ambigen12.ogg b/sound/ambience/ambigen12.ogg
index 0ae24a9a680..27885070f4c 100644
Binary files a/sound/ambience/ambigen12.ogg and b/sound/ambience/ambigen12.ogg differ
diff --git a/sound/ambience/ambilava1.ogg b/sound/ambience/ambilava1.ogg
index b552965faac..50cd0b23d5e 100644
Binary files a/sound/ambience/ambilava1.ogg and b/sound/ambience/ambilava1.ogg differ
diff --git a/sound/ambience/ambimaint6.ogg b/sound/ambience/ambimaint6.ogg
index f83e3ed1d6b..b4ad4350f49 100644
Binary files a/sound/ambience/ambimaint6.ogg and b/sound/ambience/ambimaint6.ogg differ
diff --git a/sound/ambience/ambimaint7.ogg b/sound/ambience/ambimaint7.ogg
index 3db2f226a4a..9fa695102d8 100644
Binary files a/sound/ambience/ambimaint7.ogg and b/sound/ambience/ambimaint7.ogg differ
diff --git a/sound/ambience/ambispace4.ogg b/sound/ambience/ambispace4.ogg
index 76ef0814eaa..b3824c66135 100644
Binary files a/sound/ambience/ambispace4.ogg and b/sound/ambience/ambispace4.ogg differ
diff --git a/sound/ambience/ambivapor1.ogg b/sound/ambience/ambivapor1.ogg
index 4374f46710d..6c43ff1ef01 100644
Binary files a/sound/ambience/ambivapor1.ogg and b/sound/ambience/ambivapor1.ogg differ