diff --git a/hash_refs/mp4box-io-audio_pcm.iamf-add.hash b/hash_refs/mp4box-io-audio_pcm.iamf-add.hash
new file mode 100644
index 00000000..8d735bbc
--- /dev/null
+++ b/hash_refs/mp4box-io-audio_pcm.iamf-add.hash
@@ -0,0 +1 @@
+5�T�]�B7y��aP���V�
\ No newline at end of file
diff --git a/hash_refs/mp4box-io-audio_pcm.iamf-diso.hash b/hash_refs/mp4box-io-audio_pcm.iamf-diso.hash
new file mode 100644
index 00000000..8bfbb89d
--- /dev/null
+++ b/hash_refs/mp4box-io-audio_pcm.iamf-diso.hash
@@ -0,0 +1 @@
+N����|��]\cDŽ�u��
\ No newline at end of file
diff --git a/hash_refs/mp4box-io-audio_pcm.iamf-dts.hash b/hash_refs/mp4box-io-audio_pcm.iamf-dts.hash
new file mode 100644
index 00000000..7f90eb4c
--- /dev/null
+++ b/hash_refs/mp4box-io-audio_pcm.iamf-dts.hash
@@ -0,0 +1,2 @@
+D
+K�T=9�F�\q9�υ»�
\ No newline at end of file
diff --git a/hash_refs/mp4box-io-audio_pcm.iamf-mp4-inspect.hash b/hash_refs/mp4box-io-audio_pcm.iamf-mp4-inspect.hash
new file mode 100644
index 00000000..b3fa402d
--- /dev/null
+++ b/hash_refs/mp4box-io-audio_pcm.iamf-mp4-inspect.hash
@@ -0,0 +1,2 @@
+�f�OgңO7��,��
+ąAXE
\ No newline at end of file
diff --git a/hash_refs/mp4box-mux-add-iamf-pcm.hash b/hash_refs/mp4box-mux-add-iamf-pcm.hash
new file mode 100644
index 00000000..adbbba4f
--- /dev/null
+++ b/hash_refs/mp4box-mux-add-iamf-pcm.hash
@@ -0,0 +1 @@
+E.��d��Y+�%�<���
\ No newline at end of file
diff --git a/hash_refs/reframer-iamf-pcm-ext-rewrite-pcm.hash b/hash_refs/reframer-iamf-pcm-ext-rewrite-pcm.hash
new file mode 100644
index 00000000..d509ccbd
--- /dev/null
+++ b/hash_refs/reframer-iamf-pcm-ext-rewrite-pcm.hash
@@ -0,0 +1 @@
+b4�+S`�oC��N����
\ No newline at end of file
diff --git a/hash_refs/reframer-iamf-pcm-rewrite.hash b/hash_refs/reframer-iamf-pcm-rewrite.hash
new file mode 100644
index 00000000..50f8d9a2
--- /dev/null
+++ b/hash_refs/reframer-iamf-pcm-rewrite.hash
@@ -0,0 +1 @@
+��]ٶ�
,4��N��yM
\ No newline at end of file
diff --git a/media/auxiliary_files/audio_pcm.iamf b/media/auxiliary_files/audio_pcm.iamf
new file mode 100644
index 00000000..663124ce
Binary files /dev/null and b/media/auxiliary_files/audio_pcm.iamf differ
diff --git a/scripts/mp4box-mux.sh b/scripts/mp4box-mux.sh
index 6efc2050..680c0732 100755
--- a/scripts/mp4box-mux.sh
+++ b/scripts/mp4box-mux.sh
@@ -39,5 +39,9 @@ iamf_mp4file="$TEMP_DIR/test-iamf.mp4"
 do_test "$MP4BOX -add $MEDIA_DIR/auxiliary_files/video_5s.ivf -add $MEDIA_DIR/auxiliary_files/audio_opus.iamf -new $iamf_mp4file" "add-iamf"
 do_hash_test $iamf_mp4file "add-iamf"
 
+iamf_pcm_mp4file="$TEMP_DIR/test-iamf-pcm.mp4"
+do_test "$MP4BOX -add $MEDIA_DIR/auxiliary_files/video_5s.ivf -add $MEDIA_DIR/auxiliary_files/audio_pcm.iamf -new $iamf_pcm_mp4file" "add-iamf-pcm"
+do_hash_test $iamf_pcm_mp4file "add-iamf-pcm"
+
 test_end
 
diff --git a/scripts/reframers.sh b/scripts/reframers.sh
index 024d2f59..693ee822 100755
--- a/scripts/reframers.sh
+++ b/scripts/reframers.sh
@@ -35,6 +35,14 @@ do_hash_test "$dst_file2" "ext-rewrite"
 
 fi
 
+if [ "$3" == "audio_iamf_pcm.mp4" ] ; then
+
+dst_file2=$TEMP_DIR/audio_pcm.iamf
+do_test "$GPAC -i $dst_file reframer @ -o $dst_file2  -graph -stats"  "ext-rewrite-pcm"
+do_hash_test "$dst_file2" "ext-rewrite-pcm"
+
+fi
+
 test_end
 
 }
@@ -62,8 +70,12 @@ test_reframer "av1-ivf" $MEDIA_DIR/auxiliary_files/video.av1 "video.ivf"
 
 test_reframer "iamf" $MEDIA_DIR/auxiliary_files/audio_opus.iamf "audio_iamf.mp4"
 
+test_reframer "iamf-pcm" $MEDIA_DIR/auxiliary_files/audio_pcm.iamf "audio_iamf_pcm.mp4"
+
 test_reframer "iamf-opus-5ms" $MEDIA_DIR/auxiliary_files/audio_opus_5ms.iamf "audio_iamf_5ms.mp4"
 
+test_reframer "iamf-pcm" $MEDIA_DIR/auxiliary_files/audio_pcm.iamf "audio_iamf_pcm.mp4"
+
 test_reframer "amr" $EXTERNAL_MEDIA_DIR/import/bear_audio.amr
 
 test_reframer "amrwb" $EXTERNAL_MEDIA_DIR/import/obrother_wideband.amr