diff --git a/source/use_case/ad/usecase.cmake b/source/use_case/ad/usecase.cmake
index d19820d..525b2f4 100644
--- a/source/use_case/ad/usecase.cmake
+++ b/source/use_case/ad/usecase.cmake
@@ -18,9 +18,7 @@
 # Append the API to use for this use case
 list(APPEND ${use_case}_API_LIST "ad")
 
-USER_OPTION(${use_case}_FILE_PATH "Directory with custom WAV input files, or path to a single input WAV file, to use in the evaluation application."
-    ${CMAKE_CURRENT_SOURCE_DIR}/resources/${use_case}/samples/
-    PATH_OR_FILE)
+set_input_file_path_user_option(".wav" ${use_case})
 
 USER_OPTION(${use_case}_AUDIO_RATE "Specify the target sampling rate. Default is 16000."
     16000
diff --git a/source/use_case/asr/usecase.cmake b/source/use_case/asr/usecase.cmake
index 2a2178b..e0baca3 100644
--- a/source/use_case/asr/usecase.cmake
+++ b/source/use_case/asr/usecase.cmake
@@ -17,9 +17,7 @@
 # Append the API to use for this use case
 list(APPEND ${use_case}_API_LIST "asr")
 
-USER_OPTION(${use_case}_FILE_PATH "Directory with custom WAV input files, or path to a single WAV file, to use in the evaluation application."
-    ${CMAKE_CURRENT_SOURCE_DIR}/resources/${use_case}/samples/
-    PATH_OR_FILE)
+set_input_file_path_user_option(".wav" ${use_case})
 
 USER_OPTION(${use_case}_LABELS_TXT_FILE "Labels' txt file for the chosen model."
     ${CMAKE_CURRENT_SOURCE_DIR}/resources/${use_case}/labels/labels_wav2letter.txt
diff --git a/source/use_case/img_class/usecase.cmake b/source/use_case/img_class/usecase.cmake
index e0b6bc8..fc807d2 100644
--- a/source/use_case/img_class/usecase.cmake
+++ b/source/use_case/img_class/usecase.cmake
@@ -17,9 +17,7 @@
 # Append the API to use for this use case
 list(APPEND ${use_case}_API_LIST "img_class")
 
-USER_OPTION(${use_case}_FILE_PATH "Directory with custom image files to use, or path to a single image, in the evaluation application"
-    ${CMAKE_CURRENT_SOURCE_DIR}/resources/${use_case}/samples/
-    PATH_OR_FILE)
+set_input_file_path_user_option(".bmp" ${use_case})
 
 USER_OPTION(${use_case}_IMAGE_SIZE "Square image size in pixels. Images will be resized to this size."
     224
diff --git a/source/use_case/kws/usecase.cmake b/source/use_case/kws/usecase.cmake
index d9985c7..7bac230 100644
--- a/source/use_case/kws/usecase.cmake
+++ b/source/use_case/kws/usecase.cmake
@@ -17,9 +17,7 @@
 # Append the API to use for this use case
 list(APPEND ${use_case}_API_LIST "kws")
 
-USER_OPTION(${use_case}_FILE_PATH "Directory with custom WAV input files, or path to a single WAV file, to use in the evaluation application."
-    ${CMAKE_CURRENT_SOURCE_DIR}/resources/${use_case}/samples/
-    PATH_OR_FILE)
+set_input_file_path_user_option(".wav" ${use_case})
 
 USER_OPTION(${use_case}_LABELS_TXT_FILE "Labels' txt file for the chosen model."
     ${CMAKE_CURRENT_SOURCE_DIR}/resources/${use_case}/labels/micronet_kws_labels.txt
diff --git a/source/use_case/kws_asr/usecase.cmake b/source/use_case/kws_asr/usecase.cmake
index 59ef450..204962b 100644
--- a/source/use_case/kws_asr/usecase.cmake
+++ b/source/use_case/kws_asr/usecase.cmake
@@ -17,9 +17,7 @@
 # Append the APIs to use for this use case
 list(APPEND ${use_case}_API_LIST "kws" "asr")
 
-USER_OPTION(${use_case}_FILE_PATH "Directory with WAV files, or path to a single WAV file, to use in the evaluation application."
-    ${CMAKE_CURRENT_SOURCE_DIR}/resources/${use_case}/samples/
-    PATH_OR_FILE)
+set_input_file_path_user_option(".wav" ${use_case})
 
 USER_OPTION(${use_case}_AUDIO_RATE "Specify the target sampling rate. Default is 16000."
     16000
diff --git a/source/use_case/noise_reduction/usecase.cmake b/source/use_case/noise_reduction/usecase.cmake
index 199f8e1..a3f7930 100644
--- a/source/use_case/noise_reduction/usecase.cmake
+++ b/source/use_case/noise_reduction/usecase.cmake
@@ -31,9 +31,7 @@
     ${DEFAULT_MODEL_PATH}
     FILEPATH)
 
-USER_OPTION(${use_case}_FILE_PATH "Directory with custom WAV input files, or path to a single WAV file, to use in the evaluation application."
-    ${CMAKE_CURRENT_SOURCE_DIR}/resources/${use_case}/samples/
-    PATH_OR_FILE)
+set_input_file_path_user_option(".wav" ${use_case})
 
 USER_OPTION(${use_case}_AUDIO_RATE "Specify the target sampling rate. Default is 48000."
     48000
diff --git a/source/use_case/object_detection/usecase.cmake b/source/use_case/object_detection/usecase.cmake
index b0a07d5..c228142 100644
--- a/source/use_case/object_detection/usecase.cmake
+++ b/source/use_case/object_detection/usecase.cmake
@@ -17,9 +17,7 @@
 # Append the API to use for this use case
 list(APPEND ${use_case}_API_LIST "object_detection")
 
-USER_OPTION(${use_case}_FILE_PATH "Directory with custom image files to use, or path to a single image, in the evaluation application"
-    ${CMAKE_CURRENT_SOURCE_DIR}/resources/${use_case}/samples/
-    PATH_OR_FILE)
+set_input_file_path_user_option(".bmp" ${use_case})
 
 USER_OPTION(${use_case}_IMAGE_SIZE "Square image size in pixels. Images will be resized to this size."
     192
diff --git a/source/use_case/vww/usecase.cmake b/source/use_case/vww/usecase.cmake
index 7ef4596..dd7852a 100644
--- a/source/use_case/vww/usecase.cmake
+++ b/source/use_case/vww/usecase.cmake
@@ -18,9 +18,7 @@
 # Append the API to use for this use case
 list(APPEND ${use_case}_API_LIST "vww")
 
-USER_OPTION(${use_case}_FILE_PATH "Directory with custom image files, or path to a single image file, to use in the evaluation application"
-    ${CMAKE_CURRENT_SOURCE_DIR}/resources/${use_case}/samples/
-    PATH_OR_FILE)
+set_input_file_path_user_option(".png" ${use_case})
 
 USER_OPTION(${use_case}_IMAGE_SIZE "Square image size in pixels. Images will be resized to this size."
     128