diff --git a/lib_util/ism_file_reader.c b/lib_util/ism_file_reader.c
index c1f08a4c35d33ddf3f348eb6e26bec9d7a002035..665c7ea1349dadaa9116755996540b596744074e 100644
--- a/lib_util/ism_file_reader.c
+++ b/lib_util/ism_file_reader.c
@@ -43,7 +43,9 @@
 struct IsmFileReader
 {
     FILE *file;
+#ifndef FIX_I173_I174
     int32_t frameCounter;
+#endif
     char *file_path;
 };
 
@@ -75,7 +77,9 @@ IsmFileReader *IsmFileReader_open(
 
     self = calloc( sizeof( IsmFileReader ), 1 );
     self->file = file;
+#ifndef FIX_I173_I174
     self->frameCounter = 0;
+#endif
     self->file_path = calloc( sizeof( char ), strlen( filePath ) + 1 );
     strcpy( self->file_path, filePath );
 
@@ -145,7 +149,9 @@ ivas_error IsmFileReader_readNextFrame(
     ismMetadata->spread = meta_prm[3];
     ismMetadata->gainFactor = meta_prm[4];
 
+#ifndef FIX_I173_I174
     ++self->frameCounter;
+#endif
 
     return IVAS_ERR_OK;
 }
diff --git a/lib_util/ism_file_writer.c b/lib_util/ism_file_writer.c
index 64f04f7b02d0d0052f47a446c7ba3a7260fe6099..65bd72a9444eb7b7527ce24a7b1d0e0e5cfea0ed 100644
--- a/lib_util/ism_file_writer.c
+++ b/lib_util/ism_file_writer.c
@@ -43,7 +43,9 @@
 struct IsmFileWriter
 {
     FILE *file;
+#ifndef FIX_I173_I174
     int32_t frameCounter;
+#endif
     char *file_path;
 };
 
@@ -86,7 +88,9 @@ ivas_error IsmFileWriter_open(
 
     self = calloc( sizeof( IsmFileWriter ), 1 );
     self->file = file;
+#ifndef FIX_I173_I174
     self->frameCounter = 0;
+#endif
     self->file_path = calloc( sizeof( char ), strlen( filePath ) + 1 );
     strcpy( self->file_path, filePath );
 
@@ -118,7 +122,11 @@ ivas_error IsmFileWriter_writeFrame(
     file = ismWriter->file;
 
     /* IVAS_fmToDo: work in progress; currently position_azimuth, position_elevation, position_radius, spread, gain_factor */
+#ifdef FIX_I173_I174
+    sprintf( char_buff, "%+07.2f,%+06.2f,%05.2f,%06.2f,%04.2f\n", ismMetadata.azimuth, ismMetadata.elevation, ismMetadata.radius, ismMetadata.spread, ismMetadata.gainFactor );
+#else
     sprintf( char_buff, "%04d,%+07.2f,%+06.2f,%05.2f,%06.2f,%04.2f\n", ismWriter->frameCounter, ismMetadata.azimuth, ismMetadata.elevation, ismMetadata.radius, ismMetadata.spread, ismMetadata.gainFactor );
+#endif
 
     if ( file )
     {
@@ -128,8 +136,9 @@ ivas_error IsmFileWriter_writeFrame(
     {
         return IVAS_ERR_FAILED_FILE_WRITE;
     }
-
+#ifndef FIX_I173_I174
     ++ismWriter->frameCounter;
+#endif
 
     return IVAS_ERR_OK;
 }
diff --git a/scripts/td_object_renderer/object_renderer_standalone/object_renderer_standalone/renderer_standalone.c b/scripts/td_object_renderer/object_renderer_standalone/object_renderer_standalone/renderer_standalone.c
index 8afcd7360342855a037236baf5bd8b3dfc4c97d0..494b596b10e6a0e8887a98627a06603f7356663e 100644
--- a/scripts/td_object_renderer/object_renderer_standalone/object_renderer_standalone/renderer_standalone.c
+++ b/scripts/td_object_renderer/object_renderer_standalone/object_renderer_standalone/renderer_standalone.c
@@ -160,6 +160,9 @@ int main( int argc, char *argv[] )
     {
         return IVAS_ERR_FAILED_ALLOC;
     }
+#ifdef FIX_I173_I174
+    st_ivas->hDecoderConfig->Opt_Headrotation = FALSE;
+#endif
 
     /* ISm metadata handles */
     for ( n = 0; n < MAX_NUM_OBJECTS; n++ )
@@ -315,6 +318,9 @@ int main( int argc, char *argv[] )
             fprintf( stderr, "Can not allocate memory for head-tracking\n" );
             exit( -1 );
         }
+#ifdef FIX_I173_I174
+        st_ivas->hDecoderConfig->Opt_Headrotation = TRUE;
+#endif
     }
 
     /* Init limiter */
@@ -538,7 +544,9 @@ static void readMetadata(
     float meta_prm[NUM_ISM_METADATA_PER_LINE];
     char *char_ptr;
     int16_t j;
+#ifndef FIX_I173_I174
     int32_t time_stamp;
+#endif
 
     if ( fgets( char_buff, META_LINE_LENGTH, file ) == NULL )
     {
@@ -546,6 +554,11 @@ static void readMetadata(
         exit( -1 );
     }
 
+#ifdef FIX_I173_I174
+    j = 0;
+    char_ptr = strtok( char_buff, "," );
+    meta_prm[j++] = (float) atof( char_ptr );
+#else
     char_ptr = strtok( char_buff, "," );
     time_stamp = (int32_t) atoi( char_ptr );
 
@@ -556,6 +569,7 @@ static void readMetadata(
     }
 
     j = 0;
+#endif
     while ( char_ptr != NULL && j < NUM_ISM_METADATA_PER_LINE )
     {
         char_ptr = strtok( NULL, "," );