diff --git a/iamf/cli/textproto_templates/1OA_and_stereo_opus.textproto b/iamf/cli/textproto_templates/1OA_and_stereo_opus.textproto
index 5c93f29..2f41018 100644
--- a/iamf/cli/textproto_templates/1OA_and_stereo_opus.textproto
+++ b/iamf/cli/textproto_templates/1OA_and_stereo_opus.textproto
@@ -17,6 +17,35 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata: [
+  {
+    wav_filename: "TEMPLATE_FOA.wav"
+    samples_to_trim_at_end_includes_padding: false
+    samples_to_trim_at_start_includes_codec_delay: false
+    samples_to_trim_at_end: 0
+    samples_to_trim_at_start: 0
+    audio_element_id: 300
+    channel_metadatas: [
+      { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
+      { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
+      { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
+      { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 }
+    ]
+  },
+  {
+    wav_filename: "TEMPLATE_stereo.wav"
+    samples_to_trim_at_end_includes_padding: false
+    samples_to_trim_at_start_includes_codec_delay: false
+    samples_to_trim_at_end: 0
+    samples_to_trim_at_start: 0
+    audio_element_id: 301
+    channel_metadatas: [
+      { channel_id: 0 channel_label: CHANNEL_LABEL_L_2 },
+      { channel_id: 1 channel_label: CHANNEL_LABEL_R_2 }
+    ]
+  }
+]
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_BASE
   additional_profile: PROFILE_VERSION_BASE
@@ -149,35 +178,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata: [
-  {
-    wav_filename: "TEMPLATE_FOA.wav"
-    samples_to_trim_at_end_includes_padding: false
-    samples_to_trim_at_start_includes_codec_delay: false
-    samples_to_trim_at_end: 0
-    samples_to_trim_at_start: 0
-    audio_element_id: 300
-    channel_metadatas: [
-      { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
-      { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
-      { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
-      { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 }
-    ]
-  },
-  {
-    wav_filename: "TEMPLATE_stereo.wav"
-    samples_to_trim_at_end_includes_padding: false
-    samples_to_trim_at_start_includes_codec_delay: false
-    samples_to_trim_at_end: 0
-    samples_to_trim_at_start: 0
-    audio_element_id: 301
-    channel_metadatas: [
-      { channel_id: 0 channel_label: CHANNEL_LABEL_L_2 },
-      { channel_id: 1 channel_label: CHANNEL_LABEL_R_2 }
-    ]
-  }
-]
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }
diff --git a/iamf/cli/textproto_templates/1OA_and_stereo_pcm24bit.textproto b/iamf/cli/textproto_templates/1OA_and_stereo_pcm24bit.textproto
index 655e6b1..0a320f2 100644
--- a/iamf/cli/textproto_templates/1OA_and_stereo_pcm24bit.textproto
+++ b/iamf/cli/textproto_templates/1OA_and_stereo_pcm24bit.textproto
@@ -17,6 +17,35 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata: [
+  {
+    wav_filename: "TEMPLATE_FOA.wav"
+    samples_to_trim_at_end_includes_padding: false
+    samples_to_trim_at_start_includes_codec_delay: false
+    samples_to_trim_at_end: 0
+    samples_to_trim_at_start: 0
+    audio_element_id: 300
+    channel_metadatas: [
+      { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
+      { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
+      { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
+      { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 }
+    ]
+  },
+  {
+    wav_filename: "TEMPLATE_stereo.wav"
+    samples_to_trim_at_end_includes_padding: false
+    samples_to_trim_at_start_includes_codec_delay: false
+    samples_to_trim_at_end: 0
+    samples_to_trim_at_start: 0
+    audio_element_id: 301
+    channel_metadatas: [
+      { channel_id: 0 channel_label: CHANNEL_LABEL_L_2 },
+      { channel_id: 1 channel_label: CHANNEL_LABEL_R_2 }
+    ]
+  }
+]
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_BASE
   additional_profile: PROFILE_VERSION_BASE
@@ -145,35 +174,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata: [
-  {
-    wav_filename: "TEMPLATE_FOA.wav"
-    samples_to_trim_at_end_includes_padding: false
-    samples_to_trim_at_start_includes_codec_delay: false
-    samples_to_trim_at_end: 0
-    samples_to_trim_at_start: 0
-    audio_element_id: 300
-    channel_metadatas: [
-      { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
-      { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
-      { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
-      { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 }
-    ]
-  },
-  {
-    wav_filename: "TEMPLATE_stereo.wav"
-    samples_to_trim_at_end_includes_padding: false
-    samples_to_trim_at_start_includes_codec_delay: false
-    samples_to_trim_at_end: 0
-    samples_to_trim_at_start: 0
-    audio_element_id: 301
-    channel_metadatas: [
-      { channel_id: 0 channel_label: CHANNEL_LABEL_L_2 },
-      { channel_id: 1 channel_label: CHANNEL_LABEL_R_2 }
-    ]
-  }
-]
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }
diff --git a/iamf/cli/textproto_templates/1OA_opus.textproto b/iamf/cli/textproto_templates/1OA_opus.textproto
index 8a192fe..8d037ce 100644
--- a/iamf/cli/textproto_templates/1OA_opus.textproto
+++ b/iamf/cli/textproto_templates/1OA_opus.textproto
@@ -17,6 +17,21 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata {
+  wav_filename: "TEMPLATE_FOA.wav"
+  samples_to_trim_at_end_includes_padding: false
+  samples_to_trim_at_start_includes_codec_delay: false
+  samples_to_trim_at_end: 0
+  samples_to_trim_at_start: 0
+  audio_element_id: 300
+  channel_metadatas: [
+    { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
+    { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
+    { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
+    { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 }
+  ]
+}
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_SIMPLE
   additional_profile: PROFILE_VERSION_SIMPLE
@@ -106,21 +121,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata {
-  wav_filename: "TEMPLATE_FOA.wav"
-  samples_to_trim_at_end_includes_padding: false
-  samples_to_trim_at_start_includes_codec_delay: false
-  samples_to_trim_at_end: 0
-  samples_to_trim_at_start: 0
-  audio_element_id: 300
-  channel_metadatas: [
-    { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
-    { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
-    { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
-    { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 }
-  ]
-}
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }
diff --git a/iamf/cli/textproto_templates/1OA_pcm24bit.textproto b/iamf/cli/textproto_templates/1OA_pcm24bit.textproto
index 11c7f9c..d966364 100644
--- a/iamf/cli/textproto_templates/1OA_pcm24bit.textproto
+++ b/iamf/cli/textproto_templates/1OA_pcm24bit.textproto
@@ -17,6 +17,21 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata {
+  wav_filename: "TEMPLATE_FOA.wav"
+  samples_to_trim_at_end_includes_padding: false
+  samples_to_trim_at_start_includes_codec_delay: false
+  samples_to_trim_at_end: 0
+  samples_to_trim_at_start: 0
+  audio_element_id: 300
+  channel_metadatas: [
+    { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
+    { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
+    { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
+    { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 }
+  ]
+}
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_SIMPLE
   additional_profile: PROFILE_VERSION_SIMPLE
@@ -102,21 +117,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata {
-  wav_filename: "TEMPLATE_FOA.wav"
-  samples_to_trim_at_end_includes_padding: false
-  samples_to_trim_at_start_includes_codec_delay: false
-  samples_to_trim_at_end: 0
-  samples_to_trim_at_start: 0
-  audio_element_id: 300
-  channel_metadatas: [
-    { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
-    { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
-    { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
-    { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 }
-  ]
-}
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }
diff --git a/iamf/cli/textproto_templates/3OA_and_stereo_opus.textproto b/iamf/cli/textproto_templates/3OA_and_stereo_opus.textproto
index cfb5db2..c58b053 100644
--- a/iamf/cli/textproto_templates/3OA_and_stereo_opus.textproto
+++ b/iamf/cli/textproto_templates/3OA_and_stereo_opus.textproto
@@ -17,6 +17,47 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata: [
+  {
+    wav_filename: "TEMPLATE_TOA.wav"
+    samples_to_trim_at_end_includes_padding: false
+    samples_to_trim_at_start_includes_codec_delay: false
+    samples_to_trim_at_end: 0
+    samples_to_trim_at_start: 0
+    audio_element_id: 300
+    channel_metadatas: [
+      { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
+      { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
+      { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
+      { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 },
+      { channel_id: 4 channel_label: CHANNEL_LABEL_A_4 },
+      { channel_id: 5 channel_label: CHANNEL_LABEL_A_5 },
+      { channel_id: 6 channel_label: CHANNEL_LABEL_A_6 },
+      { channel_id: 7 channel_label: CHANNEL_LABEL_A_7 },
+      { channel_id: 8 channel_label: CHANNEL_LABEL_A_8 },
+      { channel_id: 9 channel_label: CHANNEL_LABEL_A_9 },
+      { channel_id: 10 channel_label: CHANNEL_LABEL_A_10 },
+      { channel_id: 11 channel_label: CHANNEL_LABEL_A_11 },
+      { channel_id: 12 channel_label: CHANNEL_LABEL_A_12 },
+      { channel_id: 13 channel_label: CHANNEL_LABEL_A_13 },
+      { channel_id: 14 channel_label: CHANNEL_LABEL_A_14 },
+      { channel_id: 15 channel_label: CHANNEL_LABEL_A_15 }
+    ]
+  },
+  {
+    wav_filename: "TEMPLATE_stereo.wav"
+    samples_to_trim_at_end_includes_padding: false
+    samples_to_trim_at_start_includes_codec_delay: false
+    samples_to_trim_at_end: 0
+    samples_to_trim_at_start: 0
+    audio_element_id: 301
+    channel_metadatas: [
+      { channel_id: 0 channel_label: CHANNEL_LABEL_L_2 },
+      { channel_id: 1 channel_label: CHANNEL_LABEL_R_2 }
+    ]
+  }
+]
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_BASE
   additional_profile: PROFILE_VERSION_BASE
@@ -173,47 +214,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata: [
-  {
-    wav_filename: "TEMPLATE_TOA.wav"
-    samples_to_trim_at_end_includes_padding: false
-    samples_to_trim_at_start_includes_codec_delay: false
-    samples_to_trim_at_end: 0
-    samples_to_trim_at_start: 0
-    audio_element_id: 300
-    channel_metadatas: [
-      { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
-      { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
-      { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
-      { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 },
-      { channel_id: 4 channel_label: CHANNEL_LABEL_A_4 },
-      { channel_id: 5 channel_label: CHANNEL_LABEL_A_5 },
-      { channel_id: 6 channel_label: CHANNEL_LABEL_A_6 },
-      { channel_id: 7 channel_label: CHANNEL_LABEL_A_7 },
-      { channel_id: 8 channel_label: CHANNEL_LABEL_A_8 },
-      { channel_id: 9 channel_label: CHANNEL_LABEL_A_9 },
-      { channel_id: 10 channel_label: CHANNEL_LABEL_A_10 },
-      { channel_id: 11 channel_label: CHANNEL_LABEL_A_11 },
-      { channel_id: 12 channel_label: CHANNEL_LABEL_A_12 },
-      { channel_id: 13 channel_label: CHANNEL_LABEL_A_13 },
-      { channel_id: 14 channel_label: CHANNEL_LABEL_A_14 },
-      { channel_id: 15 channel_label: CHANNEL_LABEL_A_15 }
-    ]
-  },
-  {
-    wav_filename: "TEMPLATE_stereo.wav"
-    samples_to_trim_at_end_includes_padding: false
-    samples_to_trim_at_start_includes_codec_delay: false
-    samples_to_trim_at_end: 0
-    samples_to_trim_at_start: 0
-    audio_element_id: 301
-    channel_metadatas: [
-      { channel_id: 0 channel_label: CHANNEL_LABEL_L_2 },
-      { channel_id: 1 channel_label: CHANNEL_LABEL_R_2 }
-    ]
-  }
-]
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }
diff --git a/iamf/cli/textproto_templates/3OA_and_stereo_pcm24bit.textproto b/iamf/cli/textproto_templates/3OA_and_stereo_pcm24bit.textproto
index 07627a5..a1c4bb0 100644
--- a/iamf/cli/textproto_templates/3OA_and_stereo_pcm24bit.textproto
+++ b/iamf/cli/textproto_templates/3OA_and_stereo_pcm24bit.textproto
@@ -17,6 +17,47 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata: [
+  {
+    wav_filename: "TEMPLATE_TOA.wav"
+    samples_to_trim_at_end_includes_padding: false
+    samples_to_trim_at_start_includes_codec_delay: false
+    samples_to_trim_at_end: 0
+    samples_to_trim_at_start: 0
+    audio_element_id: 300
+    channel_metadatas: [
+      { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
+      { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
+      { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
+      { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 },
+      { channel_id: 4 channel_label: CHANNEL_LABEL_A_4 },
+      { channel_id: 5 channel_label: CHANNEL_LABEL_A_5 },
+      { channel_id: 6 channel_label: CHANNEL_LABEL_A_6 },
+      { channel_id: 7 channel_label: CHANNEL_LABEL_A_7 },
+      { channel_id: 8 channel_label: CHANNEL_LABEL_A_8 },
+      { channel_id: 9 channel_label: CHANNEL_LABEL_A_9 },
+      { channel_id: 10 channel_label: CHANNEL_LABEL_A_10 },
+      { channel_id: 11 channel_label: CHANNEL_LABEL_A_11 },
+      { channel_id: 12 channel_label: CHANNEL_LABEL_A_12 },
+      { channel_id: 13 channel_label: CHANNEL_LABEL_A_13 },
+      { channel_id: 14 channel_label: CHANNEL_LABEL_A_14 },
+      { channel_id: 15 channel_label: CHANNEL_LABEL_A_15 }
+    ]
+  },
+  {
+    wav_filename: "TEMPLATE_stereo.wav"
+    samples_to_trim_at_end_includes_padding: false
+    samples_to_trim_at_start_includes_codec_delay: false
+    samples_to_trim_at_end: 0
+    samples_to_trim_at_start: 0
+    audio_element_id: 301
+    channel_metadatas: [
+      { channel_id: 0 channel_label: CHANNEL_LABEL_L_2 },
+      { channel_id: 1 channel_label: CHANNEL_LABEL_R_2 }
+    ]
+  }
+]
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_BASE
   additional_profile: PROFILE_VERSION_BASE
@@ -169,47 +210,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata: [
-  {
-    wav_filename: "TEMPLATE_TOA.wav"
-    samples_to_trim_at_end_includes_padding: false
-    samples_to_trim_at_start_includes_codec_delay: false
-    samples_to_trim_at_end: 0
-    samples_to_trim_at_start: 0
-    audio_element_id: 300
-    channel_metadatas: [
-      { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
-      { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
-      { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
-      { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 },
-      { channel_id: 4 channel_label: CHANNEL_LABEL_A_4 },
-      { channel_id: 5 channel_label: CHANNEL_LABEL_A_5 },
-      { channel_id: 6 channel_label: CHANNEL_LABEL_A_6 },
-      { channel_id: 7 channel_label: CHANNEL_LABEL_A_7 },
-      { channel_id: 8 channel_label: CHANNEL_LABEL_A_8 },
-      { channel_id: 9 channel_label: CHANNEL_LABEL_A_9 },
-      { channel_id: 10 channel_label: CHANNEL_LABEL_A_10 },
-      { channel_id: 11 channel_label: CHANNEL_LABEL_A_11 },
-      { channel_id: 12 channel_label: CHANNEL_LABEL_A_12 },
-      { channel_id: 13 channel_label: CHANNEL_LABEL_A_13 },
-      { channel_id: 14 channel_label: CHANNEL_LABEL_A_14 },
-      { channel_id: 15 channel_label: CHANNEL_LABEL_A_15 }
-    ]
-  },
-  {
-    wav_filename: "TEMPLATE_stereo.wav"
-    samples_to_trim_at_end_includes_padding: false
-    samples_to_trim_at_start_includes_codec_delay: false
-    samples_to_trim_at_end: 0
-    samples_to_trim_at_start: 0
-    audio_element_id: 301
-    channel_metadatas: [
-      { channel_id: 0 channel_label: CHANNEL_LABEL_L_2 },
-      { channel_id: 1 channel_label: CHANNEL_LABEL_R_2 }
-    ]
-  }
-]
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }
diff --git a/iamf/cli/textproto_templates/3OA_opus.textproto b/iamf/cli/textproto_templates/3OA_opus.textproto
index a7a0b8d..ebb9e7d 100644
--- a/iamf/cli/textproto_templates/3OA_opus.textproto
+++ b/iamf/cli/textproto_templates/3OA_opus.textproto
@@ -17,6 +17,33 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata {
+  wav_filename: "TEMPLATE_TOA.wav"
+  samples_to_trim_at_end_includes_padding: false
+  samples_to_trim_at_start_includes_codec_delay: false
+  samples_to_trim_at_end: 0
+  samples_to_trim_at_start: 0
+  audio_element_id: 300
+  channel_metadatas: [
+    { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
+    { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
+    { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
+    { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 },
+    { channel_id: 4 channel_label: CHANNEL_LABEL_A_4 },
+    { channel_id: 5 channel_label: CHANNEL_LABEL_A_5 },
+    { channel_id: 6 channel_label: CHANNEL_LABEL_A_6 },
+    { channel_id: 7 channel_label: CHANNEL_LABEL_A_7 },
+    { channel_id: 8 channel_label: CHANNEL_LABEL_A_8 },
+    { channel_id: 9 channel_label: CHANNEL_LABEL_A_9 },
+    { channel_id: 10 channel_label: CHANNEL_LABEL_A_10 },
+    { channel_id: 11 channel_label: CHANNEL_LABEL_A_11 },
+    { channel_id: 12 channel_label: CHANNEL_LABEL_A_12 },
+    { channel_id: 13 channel_label: CHANNEL_LABEL_A_13 },
+    { channel_id: 14 channel_label: CHANNEL_LABEL_A_14 },
+    { channel_id: 15 channel_label: CHANNEL_LABEL_A_15 }
+  ]
+}
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_SIMPLE
   additional_profile: PROFILE_VERSION_SIMPLE
@@ -130,33 +157,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata {
-  wav_filename: "TEMPLATE_TOA.wav"
-  samples_to_trim_at_end_includes_padding: false
-  samples_to_trim_at_start_includes_codec_delay: false
-  samples_to_trim_at_end: 0
-  samples_to_trim_at_start: 0
-  audio_element_id: 300
-  channel_metadatas: [
-    { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
-    { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
-    { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
-    { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 },
-    { channel_id: 4 channel_label: CHANNEL_LABEL_A_4 },
-    { channel_id: 5 channel_label: CHANNEL_LABEL_A_5 },
-    { channel_id: 6 channel_label: CHANNEL_LABEL_A_6 },
-    { channel_id: 7 channel_label: CHANNEL_LABEL_A_7 },
-    { channel_id: 8 channel_label: CHANNEL_LABEL_A_8 },
-    { channel_id: 9 channel_label: CHANNEL_LABEL_A_9 },
-    { channel_id: 10 channel_label: CHANNEL_LABEL_A_10 },
-    { channel_id: 11 channel_label: CHANNEL_LABEL_A_11 },
-    { channel_id: 12 channel_label: CHANNEL_LABEL_A_12 },
-    { channel_id: 13 channel_label: CHANNEL_LABEL_A_13 },
-    { channel_id: 14 channel_label: CHANNEL_LABEL_A_14 },
-    { channel_id: 15 channel_label: CHANNEL_LABEL_A_15 }
-  ]
-}
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }
diff --git a/iamf/cli/textproto_templates/3OA_pcm24bit.textproto b/iamf/cli/textproto_templates/3OA_pcm24bit.textproto
index b6271ea..8d1b7f5 100644
--- a/iamf/cli/textproto_templates/3OA_pcm24bit.textproto
+++ b/iamf/cli/textproto_templates/3OA_pcm24bit.textproto
@@ -17,6 +17,33 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata {
+  wav_filename: "TEMPLATE_TOA.wav"
+  samples_to_trim_at_end_includes_padding: false
+  samples_to_trim_at_start_includes_codec_delay: false
+  samples_to_trim_at_end: 0
+  samples_to_trim_at_start: 0
+  audio_element_id: 300
+  channel_metadatas: [
+    { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
+    { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
+    { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
+    { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 },
+    { channel_id: 4 channel_label: CHANNEL_LABEL_A_4 },
+    { channel_id: 5 channel_label: CHANNEL_LABEL_A_5 },
+    { channel_id: 6 channel_label: CHANNEL_LABEL_A_6 },
+    { channel_id: 7 channel_label: CHANNEL_LABEL_A_7 },
+    { channel_id: 8 channel_label: CHANNEL_LABEL_A_8 },
+    { channel_id: 9 channel_label: CHANNEL_LABEL_A_9 },
+    { channel_id: 10 channel_label: CHANNEL_LABEL_A_10 },
+    { channel_id: 11 channel_label: CHANNEL_LABEL_A_11 },
+    { channel_id: 12 channel_label: CHANNEL_LABEL_A_12 },
+    { channel_id: 13 channel_label: CHANNEL_LABEL_A_13 },
+    { channel_id: 14 channel_label: CHANNEL_LABEL_A_14 },
+    { channel_id: 15 channel_label: CHANNEL_LABEL_A_15 }
+  ]
+}
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_SIMPLE
   additional_profile: PROFILE_VERSION_SIMPLE
@@ -126,33 +153,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata {
-  wav_filename: "TEMPLATE_TOA.wav"
-  samples_to_trim_at_end_includes_padding: false
-  samples_to_trim_at_start_includes_codec_delay: false
-  samples_to_trim_at_end: 0
-  samples_to_trim_at_start: 0
-  audio_element_id: 300
-  channel_metadatas: [
-    { channel_id: 0 channel_label: CHANNEL_LABEL_A_0 },
-    { channel_id: 1 channel_label: CHANNEL_LABEL_A_1 },
-    { channel_id: 2 channel_label: CHANNEL_LABEL_A_2 },
-    { channel_id: 3 channel_label: CHANNEL_LABEL_A_3 },
-    { channel_id: 4 channel_label: CHANNEL_LABEL_A_4 },
-    { channel_id: 5 channel_label: CHANNEL_LABEL_A_5 },
-    { channel_id: 6 channel_label: CHANNEL_LABEL_A_6 },
-    { channel_id: 7 channel_label: CHANNEL_LABEL_A_7 },
-    { channel_id: 8 channel_label: CHANNEL_LABEL_A_8 },
-    { channel_id: 9 channel_label: CHANNEL_LABEL_A_9 },
-    { channel_id: 10 channel_label: CHANNEL_LABEL_A_10 },
-    { channel_id: 11 channel_label: CHANNEL_LABEL_A_11 },
-    { channel_id: 12 channel_label: CHANNEL_LABEL_A_12 },
-    { channel_id: 13 channel_label: CHANNEL_LABEL_A_13 },
-    { channel_id: 14 channel_label: CHANNEL_LABEL_A_14 },
-    { channel_id: 15 channel_label: CHANNEL_LABEL_A_15 }
-  ]
-}
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }
diff --git a/iamf/cli/textproto_templates/5dot1_opus.textproto b/iamf/cli/textproto_templates/5dot1_opus.textproto
index f12c78e..3417096 100644
--- a/iamf/cli/textproto_templates/5dot1_opus.textproto
+++ b/iamf/cli/textproto_templates/5dot1_opus.textproto
@@ -17,6 +17,23 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata {
+  wav_filename: "TEMPLATE_5dot1.wav"
+  samples_to_trim_at_end_includes_padding: false
+  samples_to_trim_at_start_includes_codec_delay: false
+  samples_to_trim_at_end: 0
+  samples_to_trim_at_start: 0
+  audio_element_id: 300
+  channel_metadatas: [
+    { channel_id: 0 channel_label: CHANNEL_LABEL_L_5 },
+    { channel_id: 1 channel_label: CHANNEL_LABEL_R_5 },
+    { channel_id: 2 channel_label: CHANNEL_LABEL_CENTRE },
+    { channel_id: 3 channel_label: CHANNEL_LABEL_LFE },
+    { channel_id: 4 channel_label: CHANNEL_LABEL_LS_5 },
+    { channel_id: 5 channel_label: CHANNEL_LABEL_RS_5 }
+  ]
+}
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_SIMPLE
   additional_profile: PROFILE_VERSION_SIMPLE
@@ -124,23 +141,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata {
-  wav_filename: "TEMPLATE_5dot1.wav"
-  samples_to_trim_at_end_includes_padding: false
-  samples_to_trim_at_start_includes_codec_delay: false
-  samples_to_trim_at_end: 0
-  samples_to_trim_at_start: 0
-  audio_element_id: 300
-  channel_metadatas: [
-    { channel_id: 0 channel_label: CHANNEL_LABEL_L_5 },
-    { channel_id: 1 channel_label: CHANNEL_LABEL_R_5 },
-    { channel_id: 2 channel_label: CHANNEL_LABEL_CENTRE },
-    { channel_id: 3 channel_label: CHANNEL_LABEL_LFE },
-    { channel_id: 4 channel_label: CHANNEL_LABEL_LS_5 },
-    { channel_id: 5 channel_label: CHANNEL_LABEL_RS_5 }
-  ]
-}
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }
diff --git a/iamf/cli/textproto_templates/5dot1_pcm24bit.textproto b/iamf/cli/textproto_templates/5dot1_pcm24bit.textproto
index ac4aa93..4ed5781 100644
--- a/iamf/cli/textproto_templates/5dot1_pcm24bit.textproto
+++ b/iamf/cli/textproto_templates/5dot1_pcm24bit.textproto
@@ -17,6 +17,23 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata {
+  wav_filename: "TEMPLATE_5dot1.wav"
+  samples_to_trim_at_end_includes_padding: false
+  samples_to_trim_at_start_includes_codec_delay: false
+  samples_to_trim_at_end: 0
+  samples_to_trim_at_start: 0
+  audio_element_id: 300
+  channel_metadatas: [
+    { channel_id: 0 channel_label: CHANNEL_LABEL_L_5 },
+    { channel_id: 1 channel_label: CHANNEL_LABEL_R_5 },
+    { channel_id: 2 channel_label: CHANNEL_LABEL_CENTRE },
+    { channel_id: 3 channel_label: CHANNEL_LABEL_LFE },
+    { channel_id: 4 channel_label: CHANNEL_LABEL_LS_5 },
+    { channel_id: 5 channel_label: CHANNEL_LABEL_RS_5 }
+  ]
+}
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_SIMPLE
   additional_profile: PROFILE_VERSION_SIMPLE
@@ -120,23 +137,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata {
-  wav_filename: "TEMPLATE_5dot1.wav"
-  samples_to_trim_at_end_includes_padding: false
-  samples_to_trim_at_start_includes_codec_delay: false
-  samples_to_trim_at_end: 0
-  samples_to_trim_at_start: 0
-  audio_element_id: 300
-  channel_metadatas: [
-    { channel_id: 0 channel_label: CHANNEL_LABEL_L_5 },
-    { channel_id: 1 channel_label: CHANNEL_LABEL_R_5 },
-    { channel_id: 2 channel_label: CHANNEL_LABEL_CENTRE },
-    { channel_id: 3 channel_label: CHANNEL_LABEL_LFE },
-    { channel_id: 4 channel_label: CHANNEL_LABEL_LS_5 },
-    { channel_id: 5 channel_label: CHANNEL_LABEL_RS_5 }
-  ]
-}
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }
diff --git a/iamf/cli/textproto_templates/5dot1dot2_opus.textproto b/iamf/cli/textproto_templates/5dot1dot2_opus.textproto
index 0db54d7..d0848c5 100644
--- a/iamf/cli/textproto_templates/5dot1dot2_opus.textproto
+++ b/iamf/cli/textproto_templates/5dot1dot2_opus.textproto
@@ -17,6 +17,25 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata {
+  wav_filename: "TEMPLATE_5dot1dot2.wav"
+  samples_to_trim_at_end_includes_padding: false
+  samples_to_trim_at_start_includes_codec_delay: false
+  samples_to_trim_at_end: 0
+  samples_to_trim_at_start: 0
+  audio_element_id: 300
+  channel_metadatas: [
+    { channel_id: 0 channel_label: CHANNEL_LABEL_L_5 },
+    { channel_id: 1 channel_label: CHANNEL_LABEL_R_5 },
+    { channel_id: 2 channel_label: CHANNEL_LABEL_CENTRE },
+    { channel_id: 3 channel_label: CHANNEL_LABEL_LFE },
+    { channel_id: 4 channel_label: CHANNEL_LABEL_LS_5 },
+    { channel_id: 5 channel_label: CHANNEL_LABEL_RS_5 },
+    { channel_id: 6 channel_label: CHANNEL_LABEL_LTF_2 },
+    { channel_id: 7 channel_label: CHANNEL_LABEL_RTF_2 }
+  ]
+}
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_SIMPLE
   additional_profile: PROFILE_VERSION_SIMPLE
@@ -124,25 +143,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata {
-  wav_filename: "TEMPLATE_5dot1dot2.wav"
-  samples_to_trim_at_end_includes_padding: false
-  samples_to_trim_at_start_includes_codec_delay: false
-  samples_to_trim_at_end: 0
-  samples_to_trim_at_start: 0
-  audio_element_id: 300
-  channel_metadatas: [
-    { channel_id: 0 channel_label: CHANNEL_LABEL_L_5 },
-    { channel_id: 1 channel_label: CHANNEL_LABEL_R_5 },
-    { channel_id: 2 channel_label: CHANNEL_LABEL_CENTRE },
-    { channel_id: 3 channel_label: CHANNEL_LABEL_LFE },
-    { channel_id: 4 channel_label: CHANNEL_LABEL_LS_5 },
-    { channel_id: 5 channel_label: CHANNEL_LABEL_RS_5 },
-    { channel_id: 6 channel_label: CHANNEL_LABEL_LTF_2 },
-    { channel_id: 7 channel_label: CHANNEL_LABEL_RTF_2 }
-  ]
-}
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }
diff --git a/iamf/cli/textproto_templates/5dot1dot2_pcm24bit.textproto b/iamf/cli/textproto_templates/5dot1dot2_pcm24bit.textproto
index f2688bd..c5d5993 100644
--- a/iamf/cli/textproto_templates/5dot1dot2_pcm24bit.textproto
+++ b/iamf/cli/textproto_templates/5dot1dot2_pcm24bit.textproto
@@ -17,6 +17,25 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata {
+  wav_filename: "TEMPLATE_5dot1dot2.wav"
+  samples_to_trim_at_end_includes_padding: false
+  samples_to_trim_at_start_includes_codec_delay: false
+  samples_to_trim_at_end: 0
+  samples_to_trim_at_start: 0
+  audio_element_id: 300
+  channel_metadatas: [
+    { channel_id: 0 channel_label: CHANNEL_LABEL_L_5 },
+    { channel_id: 1 channel_label: CHANNEL_LABEL_R_5 },
+    { channel_id: 2 channel_label: CHANNEL_LABEL_CENTRE },
+    { channel_id: 3 channel_label: CHANNEL_LABEL_LFE },
+    { channel_id: 4 channel_label: CHANNEL_LABEL_LS_5 },
+    { channel_id: 5 channel_label: CHANNEL_LABEL_RS_5 },
+    { channel_id: 6 channel_label: CHANNEL_LABEL_LTF_2 },
+    { channel_id: 7 channel_label: CHANNEL_LABEL_RTF_2 }
+  ]
+}
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_SIMPLE
   additional_profile: PROFILE_VERSION_SIMPLE
@@ -120,25 +139,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata {
-  wav_filename: "TEMPLATE_5dot1dot2.wav"
-  samples_to_trim_at_end_includes_padding: false
-  samples_to_trim_at_start_includes_codec_delay: false
-  samples_to_trim_at_end: 0
-  samples_to_trim_at_start: 0
-  audio_element_id: 300
-  channel_metadatas: [
-    { channel_id: 0 channel_label: CHANNEL_LABEL_L_5 },
-    { channel_id: 1 channel_label: CHANNEL_LABEL_R_5 },
-    { channel_id: 2 channel_label: CHANNEL_LABEL_CENTRE },
-    { channel_id: 3 channel_label: CHANNEL_LABEL_LFE },
-    { channel_id: 4 channel_label: CHANNEL_LABEL_LS_5 },
-    { channel_id: 5 channel_label: CHANNEL_LABEL_RS_5 },
-    { channel_id: 6 channel_label: CHANNEL_LABEL_LTF_2 },
-    { channel_id: 7 channel_label: CHANNEL_LABEL_RTF_2 }
-  ]
-}
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }
diff --git a/iamf/cli/textproto_templates/7dot1dot4_opus.textproto b/iamf/cli/textproto_templates/7dot1dot4_opus.textproto
index d3a9e44..d9af880 100644
--- a/iamf/cli/textproto_templates/7dot1dot4_opus.textproto
+++ b/iamf/cli/textproto_templates/7dot1dot4_opus.textproto
@@ -17,6 +17,29 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata {
+  wav_filename: "TEMPLATE_7dot1dot4.wav"
+  samples_to_trim_at_end_includes_padding: false
+  samples_to_trim_at_start_includes_codec_delay: false
+  samples_to_trim_at_end: 0
+  samples_to_trim_at_start: 0
+  audio_element_id: 300
+  channel_metadatas: [
+    { channel_id: 0 channel_label: CHANNEL_LABEL_L_7 },
+    { channel_id: 1 channel_label: CHANNEL_LABEL_R_7 },
+    { channel_id: 2 channel_label: CHANNEL_LABEL_CENTRE },
+    { channel_id: 3 channel_label: CHANNEL_LABEL_LFE },
+    { channel_id: 4 channel_label: CHANNEL_LABEL_LSS_7 },
+    { channel_id: 5 channel_label: CHANNEL_LABEL_RSS_7 },
+    { channel_id: 6 channel_label: CHANNEL_LABEL_LRS_7 },
+    { channel_id: 7 channel_label: CHANNEL_LABEL_RRS_7 },
+    { channel_id: 8 channel_label: CHANNEL_LABEL_LTF_4 },
+    { channel_id: 9 channel_label: CHANNEL_LABEL_RTF_4 },
+    { channel_id: 10 channel_label: CHANNEL_LABEL_LTB_4 },
+    { channel_id: 11 channel_label: CHANNEL_LABEL_RTB_4 }
+  ]
+}
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_SIMPLE
   additional_profile: PROFILE_VERSION_SIMPLE
@@ -124,29 +147,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata {
-  wav_filename: "TEMPLATE_7dot1dot4.wav"
-  samples_to_trim_at_end_includes_padding: false
-  samples_to_trim_at_start_includes_codec_delay: false
-  samples_to_trim_at_end: 0
-  samples_to_trim_at_start: 0
-  audio_element_id: 300
-  channel_metadatas: [
-    { channel_id: 0 channel_label: CHANNEL_LABEL_L_7 },
-    { channel_id: 1 channel_label: CHANNEL_LABEL_R_7 },
-    { channel_id: 2 channel_label: CHANNEL_LABEL_CENTRE },
-    { channel_id: 3 channel_label: CHANNEL_LABEL_LFE },
-    { channel_id: 4 channel_label: CHANNEL_LABEL_LSS_7 },
-    { channel_id: 5 channel_label: CHANNEL_LABEL_RSS_7 },
-    { channel_id: 6 channel_label: CHANNEL_LABEL_LRS_7 },
-    { channel_id: 7 channel_label: CHANNEL_LABEL_RRS_7 },
-    { channel_id: 8 channel_label: CHANNEL_LABEL_LTF_4 },
-    { channel_id: 9 channel_label: CHANNEL_LABEL_RTF_4 },
-    { channel_id: 10 channel_label: CHANNEL_LABEL_LTB_4 },
-    { channel_id: 11 channel_label: CHANNEL_LABEL_RTB_4 }
-  ]
-}
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }
diff --git a/iamf/cli/textproto_templates/7dot1dot4_pcm24bit.textproto b/iamf/cli/textproto_templates/7dot1dot4_pcm24bit.textproto
index 651b330..4816caf 100644
--- a/iamf/cli/textproto_templates/7dot1dot4_pcm24bit.textproto
+++ b/iamf/cli/textproto_templates/7dot1dot4_pcm24bit.textproto
@@ -17,6 +17,29 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata {
+  wav_filename: "TEMPLATE_7dot1dot4.wav"
+  samples_to_trim_at_end_includes_padding: false
+  samples_to_trim_at_start_includes_codec_delay: false
+  samples_to_trim_at_end: 0
+  samples_to_trim_at_start: 0
+  audio_element_id: 300
+  channel_metadatas: [
+    { channel_id: 0 channel_label: CHANNEL_LABEL_L_7 },
+    { channel_id: 1 channel_label: CHANNEL_LABEL_R_7 },
+    { channel_id: 2 channel_label: CHANNEL_LABEL_CENTRE },
+    { channel_id: 3 channel_label: CHANNEL_LABEL_LFE },
+    { channel_id: 4 channel_label: CHANNEL_LABEL_LSS_7 },
+    { channel_id: 5 channel_label: CHANNEL_LABEL_RSS_7 },
+    { channel_id: 6 channel_label: CHANNEL_LABEL_LRS_7 },
+    { channel_id: 7 channel_label: CHANNEL_LABEL_RRS_7 },
+    { channel_id: 8 channel_label: CHANNEL_LABEL_LTF_4 },
+    { channel_id: 9 channel_label: CHANNEL_LABEL_RTF_4 },
+    { channel_id: 10 channel_label: CHANNEL_LABEL_LTB_4 },
+    { channel_id: 11 channel_label: CHANNEL_LABEL_RTB_4 }
+  ]
+}
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_SIMPLE
   additional_profile: PROFILE_VERSION_SIMPLE
@@ -120,29 +143,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata {
-  wav_filename: "TEMPLATE_7dot1dot4.wav"
-  samples_to_trim_at_end_includes_padding: false
-  samples_to_trim_at_start_includes_codec_delay: false
-  samples_to_trim_at_end: 0
-  samples_to_trim_at_start: 0
-  audio_element_id: 300
-  channel_metadatas: [
-    { channel_id: 0 channel_label: CHANNEL_LABEL_L_7 },
-    { channel_id: 1 channel_label: CHANNEL_LABEL_R_7 },
-    { channel_id: 2 channel_label: CHANNEL_LABEL_CENTRE },
-    { channel_id: 3 channel_label: CHANNEL_LABEL_LFE },
-    { channel_id: 4 channel_label: CHANNEL_LABEL_LSS_7 },
-    { channel_id: 5 channel_label: CHANNEL_LABEL_RSS_7 },
-    { channel_id: 6 channel_label: CHANNEL_LABEL_LRS_7 },
-    { channel_id: 7 channel_label: CHANNEL_LABEL_RRS_7 },
-    { channel_id: 8 channel_label: CHANNEL_LABEL_LTF_4 },
-    { channel_id: 9 channel_label: CHANNEL_LABEL_RTF_4 },
-    { channel_id: 10 channel_label: CHANNEL_LABEL_LTB_4 },
-    { channel_id: 11 channel_label: CHANNEL_LABEL_RTB_4 }
-  ]
-}
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }
diff --git a/iamf/cli/textproto_templates/stereo_opus.textproto b/iamf/cli/textproto_templates/stereo_opus.textproto
index 2514701..8059b8c 100644
--- a/iamf/cli/textproto_templates/stereo_opus.textproto
+++ b/iamf/cli/textproto_templates/stereo_opus.textproto
@@ -17,6 +17,19 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata {
+  wav_filename: "TEMPLATE_stereo.wav"
+  samples_to_trim_at_end_includes_padding: false
+  samples_to_trim_at_start_includes_codec_delay: false
+  samples_to_trim_at_end: 0
+  samples_to_trim_at_start: 0
+  audio_element_id: 300
+  channel_metadatas: [
+    { channel_id: 0 channel_label: CHANNEL_LABEL_L_2 },
+    { channel_id: 1 channel_label: CHANNEL_LABEL_R_2 }
+  ]
+}
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_SIMPLE
   additional_profile: PROFILE_VERSION_SIMPLE
@@ -112,19 +125,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata {
-  wav_filename: "TEMPLATE_stereo.wav"
-  samples_to_trim_at_end_includes_padding: false
-  samples_to_trim_at_start_includes_codec_delay: false
-  samples_to_trim_at_end: 0
-  samples_to_trim_at_start: 0
-  audio_element_id: 300
-  channel_metadatas: [
-    { channel_id: 0 channel_label: CHANNEL_LABEL_L_2 },
-    { channel_id: 1 channel_label: CHANNEL_LABEL_R_2 }
-  ]
-}
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }
diff --git a/iamf/cli/textproto_templates/stereo_pcm24bit.textproto b/iamf/cli/textproto_templates/stereo_pcm24bit.textproto
index b956172..a5c60c6 100644
--- a/iamf/cli/textproto_templates/stereo_pcm24bit.textproto
+++ b/iamf/cli/textproto_templates/stereo_pcm24bit.textproto
@@ -17,6 +17,19 @@ test_vector_metadata {
   is_valid: true
 }
 
+audio_frame_metadata {
+  wav_filename: "TEMPLATE_stereo.wav"
+  samples_to_trim_at_end_includes_padding: false
+  samples_to_trim_at_start_includes_codec_delay: false
+  samples_to_trim_at_end: 0
+  samples_to_trim_at_start: 0
+  audio_element_id: 300
+  channel_metadatas: [
+    { channel_id: 0 channel_label: CHANNEL_LABEL_L_2 },
+    { channel_id: 1 channel_label: CHANNEL_LABEL_R_2 }
+  ]
+}
+
 ia_sequence_header_metadata {
   primary_profile: PROFILE_VERSION_SIMPLE
   additional_profile: PROFILE_VERSION_SIMPLE
@@ -108,19 +121,6 @@ mix_presentation_metadata {
   }
 }
 
-audio_frame_metadata {
-  wav_filename: "TEMPLATE_stereo.wav"
-  samples_to_trim_at_end_includes_padding: false
-  samples_to_trim_at_start_includes_codec_delay: false
-  samples_to_trim_at_end: 0
-  samples_to_trim_at_start: 0
-  audio_element_id: 300
-  channel_metadatas: [
-    { channel_id: 0 channel_label: CHANNEL_LABEL_L_2 },
-    { channel_id: 1 channel_label: CHANNEL_LABEL_R_2 }
-  ]
-}
-
 temporal_delimiter_metadata {
   enable_temporal_delimiters: false
 }