diff --git a/src/meta/ktsc.c b/src/meta/ktsc.c
index d7cc3de5..cd6d2446 100644
--- a/src/meta/ktsc.c
+++ b/src/meta/ktsc.c
@@ -14,8 +14,7 @@ VGMSTREAM* init_vgmstream_ktsc(STREAMFILE* sf) {
     /* checks */
     if (!is_id32be(0x00, sf, "KTSC"))
         goto fail;
-    if (read_u32be(0x04, sf) != 0x01000001) /* version? */
-        goto fail;
+    /* 0x04: version? (0x01000001: common, 0x01000004: FE Three Houses) */
 
     /* .ktsl2asbin: common [Atelier Ryza (PC)]
      * .asbin: Warriors Orochi 4 (PC) (assumed) */
diff --git a/src/meta/ktsr.c b/src/meta/ktsr.c
index 8666e0c0..94cd7405 100644
--- a/src/meta/ktsr.c
+++ b/src/meta/ktsr.c
@@ -350,11 +350,13 @@ static int parse_codec(ktsr_header* ktsr) {
             if (ktsr->is_external) {
                 if (ktsr->format == 0x0005)
                     ktsr->codec = KTSS; // [Ultra Kaiju Monster Rancher (Switch)]
+                else if (ktsr->format == 0x1000)
+                    ktsr->codec = KTSS; // [Fire Emblem: Three Houses (Switch)-some DSP voices]
                 else
                     goto fail;
             }
             else if (ktsr->format == 0x0000)
-                ktsr->codec = DSP; // Fire Emblem: Three Houses (Switch)
+                ktsr->codec = DSP; // [Fire Emblem: Three Houses (Switch)]
             else
                 goto fail;
             break;