diff --git a/src/formats.c b/src/formats.c
index 298cc3c2..f8788d99 100644
--- a/src/formats.c
+++ b/src/formats.c
@@ -610,6 +610,7 @@ static const char* extension_list[] = {
     "zsm",
     "zss",
     "zwdsp",
+    "zwv",
 
     "vgmstream" /* fake extension, catch-all for FFmpeg/txth/etc */
 
diff --git a/src/libvgmstream.vcproj b/src/libvgmstream.vcproj
index 3dba4986..4bf18b90 100644
--- a/src/libvgmstream.vcproj
+++ b/src/libvgmstream.vcproj
@@ -1946,10 +1946,14 @@
                     RelativePath=".\meta\zsnd.c"
                     >
                 </File>
-				<File
-					RelativePath=".\meta\zwdsp.c"
-					>
-				</File>
+                <File
+                    RelativePath=".\meta\zwdsp.c"
+                    >
+                </File>
+                <File
+                    RelativePath=".\meta\zwv.c"
+                    >
+                </File>
 			</Filter>
 		</Filter>
 		<Filter
diff --git a/src/libvgmstream.vcxproj b/src/libvgmstream.vcxproj
index c18e5f4c..db0de389 100644
--- a/src/libvgmstream.vcxproj
+++ b/src/libvgmstream.vcxproj
@@ -575,6 +575,7 @@
     <ClCompile Include="meta\zsd.c" />
     <ClCompile Include="meta\zsnd.c" />
     <ClCompile Include="meta\zwdsp.c" />
+    <ClCompile Include="meta\zwv.c" />
     <ClCompile Include="coding\acm_decoder.c" />
     <ClCompile Include="coding\acm_decoder_decode.c" />
     <ClCompile Include="coding\acm_decoder_util.c" />
diff --git a/src/libvgmstream.vcxproj.filters b/src/libvgmstream.vcxproj.filters
index 90608578..fbd0fa57 100644
--- a/src/libvgmstream.vcxproj.filters
+++ b/src/libvgmstream.vcxproj.filters
@@ -1216,6 +1216,9 @@
     <ClCompile Include="meta\zwdsp.c">
       <Filter>meta\Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="meta\zwv.c">
+      <Filter>meta\Source Files</Filter>
+    </ClCompile>
     <ClCompile Include="coding\acm_decoder.c">
       <Filter>coding\Source Files</Filter>
     </ClCompile>
diff --git a/src/meta/meta.h b/src/meta/meta.h
index 1d704492..72106a6a 100644
--- a/src/meta/meta.h
+++ b/src/meta/meta.h
@@ -911,4 +911,6 @@ VGMSTREAM* init_vgmstream_ktsc(STREAMFILE* sf);
 
 VGMSTREAM* init_vgmstream_adp_konami(STREAMFILE* sf);
 
+VGMSTREAM* init_vgmstream_zwv(STREAMFILE* sf);
+
 #endif /*_META_H*/
diff --git a/src/meta/zwv.c b/src/meta/zwv.c
new file mode 100644
index 00000000..70f436cc
--- /dev/null
+++ b/src/meta/zwv.c
@@ -0,0 +1,52 @@
+#include "meta.h"
+#include "../coding/coding.h"
+
+/* .zwv - from Namco games [THE iDOLM@STER Shiny TV (PS3)] */
+VGMSTREAM* init_vgmstream_zwv(STREAMFILE* sf) {
+    VGMSTREAM* vgmstream = NULL;
+    STREAMFILE* temp_sf = NULL;
+    off_t subfile_offset;
+    size_t subfile_size;
+
+
+    /* checks */
+    if (!check_extensions(sf,"zwv"))
+        goto fail;
+    if (read_u32be(0x00,sf) != 0x77617665) /* "wave" */
+        goto fail;
+
+    /* has a mini header then a proper MSF:
+     * 0x04: null
+     * 0x08: null
+     * 0x0c: version/config? (0x06040000)
+     * 0x10: version/config? (0x00030210)
+     * 0x14: sample rate
+     * 0x18: ? (related to sample rate)
+     * 0x1c: null
+     * 0x20: data offset
+     * 0x24: data size
+     * 0x28: loop flag (0x30+ is removed if no loop)
+     * 0x2c: ? (related to loop, or null)
+     * 0x30: null
+     * 0x30: loop start offset (same as MSF)
+     * 0x30: loop end offset (same as MSF start+length)
+     * 0x3c: null
+     */
+
+    subfile_offset = read_u32be(0x20, sf) - 0x40;
+    subfile_size   = read_u32be(0x24, sf) + 0x40;
+
+    temp_sf = setup_subfile_streamfile(sf, subfile_offset, subfile_size, "msf");
+    if (!temp_sf) goto fail;
+
+    vgmstream = init_vgmstream_msf(temp_sf);
+    if (!vgmstream) goto fail;
+
+    close_streamfile(temp_sf);
+    return vgmstream;
+
+fail:
+    close_streamfile(temp_sf);
+    close_vgmstream(vgmstream);
+    return NULL;
+}
diff --git a/src/vgmstream.c b/src/vgmstream.c
index 819bb354..a6d625c6 100644
--- a/src/vgmstream.c
+++ b/src/vgmstream.c
@@ -505,6 +505,7 @@ VGMSTREAM* (*init_vgmstream_functions[])(STREAMFILE* sf) = {
     init_vgmstream_pcm_success,
     init_vgmstream_ktsc,
     init_vgmstream_adp_konami,
+    init_vgmstream_zwv,
 
     /* lowest priority metas (should go after all metas, and TXTH should go before raw formats) */
     init_vgmstream_txth,            /* proper parsers should supersede TXTH, once added */