diff --git a/other/check_ISM.sh b/other/check_ISM.sh
new file mode 100755
index 0000000000000000000000000000000000000000..97690317a94be5f08f80cf038e9e419ba23748d4
--- /dev/null
+++ b/other/check_ISM.sh
@@ -0,0 +1,92 @@
+#!/usr/bin/env bash
+
+#   (C) 2022-2025 IVAS codec Public Collaboration with portions copyright Dolby International AB, Ericsson AB,
+#   Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Huawei Technologies Co. LTD.,
+#   Koninklijke Philips N.V., Nippon Telegraph and Telephone Corporation, Nokia Technologies Oy, Orange,
+#   Panasonic Holdings Corporation, Qualcomm Technologies, Inc., VoiceAge Corporation, and other
+#   contributors to this repository. All Rights Reserved.
+
+#   This software is protected by copyright law and by international treaties.
+#   The IVAS codec Public Collaboration consisting of Dolby International AB, Ericsson AB,
+#   Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Huawei Technologies Co. LTD.,
+#   Koninklijke Philips N.V., Nippon Telegraph and Telephone Corporation, Nokia Technologies Oy, Orange,
+#   Panasonic Holdings Corporation, Qualcomm Technologies, Inc., VoiceAge Corporation, and other
+#   contributors to this repository retain full ownership rights in their respective contributions in
+#   the software. This notice grants no license of any kind, including but not limited to patent
+#   license, nor is any license granted by implication, estoppel or otherwise.
+
+#   Contributors are required to enter into the IVAS codec Public Collaboration agreement before making
+#   contributions.
+
+#   This software is provided "AS IS", without any express or implied warranties. The software is in the
+#   development stage. It is intended exclusively for experts who have experience with such software and
+#   solely for the purpose of inspection. All implied warranties of non-infringement, merchantability
+#   and fitness for a particular purpose are hereby disclaimed and excluded.
+
+#   Any dispute, controversy or claim arising under or in relation to providing this software shall be
+#   submitted to and settled by the final, binding jurisdiction of the courts of Munich, Germany in
+#   accordance with the laws of the Federal Republic of Germany excluding its conflict of law rules and
+#   the United Nations Convention on Contracts on the International Sales of Goods.
+
+
+# Usage: check_ISM.sh audio.wav ism_metadata.0.csv [... ism_metadata.4.csv]
+# Compares the number of audio frames against the number of frames in the object metadata
+# Requires: InfoAudio
+
+
+if (( $# < 2 || $# > 5 )); then
+    echo ""
+    echo "Usage: $0 audio.wav ism_metadata.0.csv [... ism_metadata.4.csv]" >&2
+    echo "file_name;success;audio_20ms_aligned;no_audio_frames;no_object_frames" >&2
+    exit 1
+fi
+
+InfoAudio=InfoAudio
+
+audio_file=$1
+metadata_files=("${@:2}")
+line_counts=()
+
+# getting all info from InfoAudio - storing in res
+res=`$InfoAudio "$audio_file"`
+# paring res
+sampleFreq=`echo "$res" | grep -m1 "Sampling frequency" | sed -e 's/\([a-zA-Z\. ]*: \)\([0-9]*\)\(.*\)/\2/g'`
+frameSize=$(( sampleFreq / 50 ))
+numberSamples=`echo "$res" | grep -m1 "No. frames" | sed -e 's/\([a-zA-Z\. ]*: \)\([0-9]*\)\(.*\)/\2/g'`
+numberSampleFrames=$(( numberSamples / frameSize ))
+
+aligned20ms=false
+remainder=$(expr $numberSamples % 960)
+if [ $remainder -eq 0 ]; then
+    aligned20ms=true
+fi
+
+# iterate over metadata-files
+for file in "${metadata_files[@]}"; do
+    if [[ -r $file ]]; then
+	# count number of lines
+	lines=$(wc -l < "$file")
+	line_counts+=("$lines")
+    else
+	echo "Warning: File '$file' not found or not readable" >&2
+	line_counts+=(0)
+    fi
+done
+
+success=true
+if [[ "$aligned20ms" == "false" ]]; then
+    success=false
+fi
+
+no_object_frames=""
+for i in "${!line_counts[@]}"; do
+    count="${line_counts[i]//[[:space:]]/}" # also remove any whitespace 
+    no_object_frames+=";$count"
+    
+    if (( count != numberSampleFrames )); then
+	success=false
+    fi
+done
+
+# echo "file_name;success;audio_20ms_aligned;no_audio_frames;no_object_frames"
+echo "${audio_file};${success};${aligned20ms};${numberSampleFrames}${no_object_frames}"