diff --git a/src/formats.c b/src/formats.c
index 924d9f27..f1e9269f 100644
--- a/src/formats.c
+++ b/src/formats.c
@@ -215,6 +215,7 @@ static const char* extension_list[] = {
     "his",
     "hps",
     "hsf",
+    "hvqm",
     "hwx", //txth/reserved [Star Wars Episode III (Xbox)]
     "hx2",
     "hx3",
@@ -403,6 +404,7 @@ static const char* extension_list[] = {
     "pnb",
     "pona",
     "pos",
+    "ps3",
     "ps2stm", //fake extension for .stm (renamed? to be removed?)
     "psb",
     "psf",
diff --git a/src/meta/bik.c b/src/meta/bik.c
index 713c4f13..ec87f919 100644
--- a/src/meta/bik.c
+++ b/src/meta/bik.c
@@ -19,8 +19,11 @@ VGMSTREAM* init_vgmstream_bik(STREAMFILE* sf) {
 
     /* .bik/bik2/bk2: standard
      * .xmv: Reflections games [Driver: Parallel Lines (Wii), Emergency Heroes (Wii)]
+     * .bik.ps3: Neversoft games [Guitar Hero: Warriors of Rock (PS3)]
+     * .bik.xen: Neversoft games [various Guitar Hero (PC/PS3/X360)]
+     * .vid: Etrange Libellules games [Alice in Wonderland (PC)] 
      * .bika: fake extension for demuxed audio */
-    if (!check_extensions(sf,"bik,bik2,bk2,xmv,bika"))
+    if (!check_extensions(sf,"bik,bik2,bk2,ps3,xmv,xen,vid,bika"))
         goto fail;
 
     /* find target stream info and samples */
diff --git a/src/meta/fsb.c b/src/meta/fsb.c
index e439fd5f..1407627f 100644
--- a/src/meta/fsb.c
+++ b/src/meta/fsb.c
@@ -118,8 +118,9 @@ VGMSTREAM* init_vgmstream_fsb(STREAMFILE* sf) {
 
     /* .fsb: standard
      * .bnk: Hard Corps Uprising (PS3)
-     * .sfx: Geon Cube (Wii) */
-    if ( !check_extensions(sf, "fsb,bnk,sfx") )
+     * .sfx: Geon Cube (Wii)	 
+     * .xen: Guitar Hero: World Tour (PC) */
+    if ( !check_extensions(sf, "fsb,bnk,sfx,xen") )
         goto fail;
 
     fsb.id = read_u32be(0x00,sf);
diff --git a/src/meta/fsb_encrypted.c b/src/meta/fsb_encrypted.c
index 1d075ff8..23b4e807 100644
--- a/src/meta/fsb_encrypted.c
+++ b/src/meta/fsb_encrypted.c
@@ -13,8 +13,9 @@ VGMSTREAM* init_vgmstream_fsb_encrypted(STREAMFILE* sf) {
 
     /* checks */
     /* .fsb: standard
+     * .fsb.ps3: various Guitar Hero (PS3)
      * .fsb.xen: various Guitar Hero (X360/PC) */
-    if (!check_extensions(sf, "fsb,xen"))
+    if (!check_extensions(sf, "fsb,ps3,xen"))
         goto fail;
 
 
diff --git a/src/meta/h4m.c b/src/meta/h4m.c
index 3383ef94..af073634 100644
--- a/src/meta/h4m.c
+++ b/src/meta/h4m.c
@@ -19,7 +19,10 @@ VGMSTREAM* init_vgmstream_h4m(STREAMFILE* sf) {
         !is_id32be(0x08,sf, "5\0\0\0"))
         goto fail;
 
-    if (!check_extensions(sf, "h4m"))
+    /* checks */
+    /* .h4m: common
+     * .hvqm: Shrek: Extra Large (GC) */
+    if (!check_extensions(sf, "h4m,hvqm"))
         goto fail;
 
     /* header */
diff --git a/src/meta/musx.c b/src/meta/musx.c
index 0e2623ce..e08792fa 100644
--- a/src/meta/musx.c
+++ b/src/meta/musx.c
@@ -254,7 +254,7 @@ static int parse_musx_stream(STREAMFILE* sf, musx_header* musx) {
 
         case 0x5749495F: /* "WII_" */
             default_channels = 2;
-            default_sample_rate = 44100;
+            default_sample_rate = 32000;
             musx->codec = DAT;
             break;
 
diff --git a/src/meta/ngc_dsp_std.c b/src/meta/ngc_dsp_std.c
index 2d6f728b..9347f0fc 100644
--- a/src/meta/ngc_dsp_std.c
+++ b/src/meta/ngc_dsp_std.c
@@ -572,13 +572,14 @@ fail:
     return NULL;
 }
 
-/* .(mp)dsp - single header + interleaved dsp [Monopoly Party! (GC)] */
+/* .STE - single header + interleaved dsp [Monopoly Party! (GC)] */
 VGMSTREAM* init_vgmstream_ngc_mpdsp(STREAMFILE* sf) {
     dsp_meta dspm = {0};
 
     /* checks */
-    /* .mpdsp: renamed since standard .dsp would catch it otherwise */
-    if (!check_extensions(sf, "mpdsp"))
+    /* .ste: real extension
+     * .mpdsp: fake/renamed since standard .dsp would catch it otherwise */
+    if (!check_extensions(sf, "mpdsp,ste"))
         goto fail;
 
     /* at 0x48 is extra data that could help differenciating these DSPs, but seems like
@@ -757,7 +758,7 @@ fail:
     return NULL;
 }
 
-/* IDSP - from Next Level games [Super Mario Strikers (GC), Mario Strikers: Charged (Wii)] */
+/* IDSP - from Next Level games [Super Mario Strikers (GC), Mario Strikers Charged (Wii), Spider-Man: Friend or Foe (Wii)] */
 VGMSTREAM* init_vgmstream_idsp_nl(STREAMFILE* sf) {
     dsp_meta dspm = {0};
 
@@ -821,12 +822,14 @@ fail:
     return NULL;
 }
 
-/* .ddsp - full interleaved dsp [The Sims 2: Pets (Wii)] */
+/* .ddsp - full interleaved dsp [Shark Tale, (GC), The Sims 2: Pets (Wii), Wacky Races: Crash & Dash (Wii)] */
 VGMSTREAM* init_vgmstream_dsp_ddsp(STREAMFILE* sf) {
     dsp_meta dspm = {0};
 
     /* checks */
-    if (!check_extensions(sf, "ddsp"))
+    /* .ddsp: assumed?
+     * .wav: Wacky Races: Crash & Dash (Wii) */    
+    if (!check_extensions(sf, "ddsp,wav,lwav"))
         goto fail;
 
     dspm.channels = 2;