From 7fe0c70ad4318e1f1d8688ab0522aa38f98cab2d Mon Sep 17 00:00:00 2001
From: Erik Norvell <erik.norvell@ericsson.com>
Date: Wed, 23 Jul 2025 09:54:12 +0200
Subject: [PATCH 1/3] Add separate processing script for BS1534-20 as fallback
 solution

---
 .../BS1534-20/config_directivity.cfg          |  10 ++
 .../characterization/BS1534-20/proc_Exp.bash  | 109 ++++++++++++++++++
 2 files changed, 119 insertions(+)
 create mode 100644 experiments/characterization/BS1534-20/config_directivity.cfg
 create mode 100644 experiments/characterization/BS1534-20/proc_Exp.bash

diff --git a/experiments/characterization/BS1534-20/config_directivity.cfg b/experiments/characterization/BS1534-20/config_directivity.cfg
new file mode 100644
index 00000000..9f8e5109
--- /dev/null
+++ b/experiments/characterization/BS1534-20/config_directivity.cfg
@@ -0,0 +1,10 @@
+[directivitySetting]
+directivityCount = 1;
+
+[directivityPattern:0]
+directivity = [0.0, 180.0, 0.1]
+
+[distanceAttenuation]
+maxDist = 15;
+refDist = 0.5;
+rolloffFactor = 1;
diff --git a/experiments/characterization/BS1534-20/proc_Exp.bash b/experiments/characterization/BS1534-20/proc_Exp.bash
new file mode 100644
index 00000000..7608e4c2
--- /dev/null
+++ b/experiments/characterization/BS1534-20/proc_Exp.bash
@@ -0,0 +1,109 @@
+#!/bin/bash -x
+
+PROC=proc
+OUTDIR=scenes
+INDIR=input
+INSF=48
+OUTSF=48
+PSF=48
+INSF_HZ="$INSF"000
+OUTSF_HZ="$OUTSF"000
+PSF_HZ="$PSF"000
+
+WLEN=$(($OUTSF_HZ/10))
+
+# Input files in concatenation order
+files=`ls $INDIR/*.wav`
+     
+
+# Tools
+RESAMPAUDIO=ResampAudio
+COPYAUDIO=CopyAudio
+INFOAUDIO=InfoAudio
+ASTRIP=astrip.exe
+IVAS_COD=./IVAS_cod.exe
+IVAS_DEC=./IVAS_dec.exe
+IVAS_REND=./IVAS_rend.exe
+
+CUT=bin/cut
+BSL=bin/bsl
+TMP="TMP"`date +%s%N`
+
+
+################### Definition of test conditions ###################
+#conditions="REF"
+conditions="REF ANCH3k5 CUT64_3DOF CUT512_3DOF CUT64_6DOF CUT512_6DOF"
+# Conditions as functions 
+# $1 input signal, 48 kHz wav ISM4
+# $2 output signal, 48 kHz wav BINAURAL
+function REF { # Direct
+    $IVAS_REND -if ISM4 -of BINAURAL -i $1 -im $1.0.csv $1.1.csv $1.2.csv $1.3.csv -T $1.ht.csv -o $2 -render_config config_directivity.cfg
+}
+function ANCH3k5 { # 3.5 kHz anchor
+    local CF
+    CF=`echo $PSF_HZ | gawk '{print 3500/$1}'`
+    $RESAMPAUDIO -i 1 -f cutoff=$CF $1 $2
+}
+function ANCH7k { # 7 kHz anchor
+    local CF
+    CF=`echo $PSF_HZ | gawk '{print 7000/$1}'`
+    REF $1 TMP1.wav
+    $RESAMPAUDIO -i 1 -f cutoff=$CF TMP1.wav $2
+}
+function CUT64_6DOF { # CUT64 <input> <output>
+    $IVAS_COD -ism +4 $1.0.csv $1.1.csv $1.2.csv $1.3.csv 64000 48 $1 TMP.bs
+    $IVAS_DEC -render_config config_directivity.cfg -T $1.ht.csv BINAURAL 48 TMP.bs $2
+}
+function CUT512_6DOF { # CUT64 <input> <output>
+    $IVAS_COD -ism +4 $1.0.csv $1.1.csv $1.2.csv $1.3.csv 512000 48 $1 TMP.bs
+    $IVAS_DEC -render_config config_directivity.cfg -T $1.ht.csv BINAURAL 48 TMP.bs $2
+}
+function CUT64_3DOF { # CUT64 <input> <output>
+    cut -f1-4 -d',' $1.ht.csv > TMP.ht.csv
+    $IVAS_COD -ism 4 $1.0.csv $1.1.csv $1.2.csv $1.3.csv 64000 48 $1 TMP.bs
+    $IVAS_DEC -T TMP.ht.csv BINAURAL 48 TMP.bs $2
+}
+function CUT512_3DOF { # CUT64 <input> <output>
+    cut -f1-4 -d',' $1.ht.csv > TMP.ht.csv
+    $IVAS_COD -ism 4 $1.0.csv $1.1.csv $1.2.csv $1.3.csv 512000 48 $1 TMP.bs
+    $IVAS_DEC -T TMP.ht.csv BINAURAL 48 TMP.bs $2
+}
+
+
+################### Main processing function ###################
+
+
+
+# Create output and processing folder
+mkdir -p $OUTDIR
+mkdir -p $PROC
+
+for f in $files;do
+    BASE=`basename $f .wav`
+    mkdir -p $OUTDIR/$BASE
+    
+    # Duplicate input
+    N_SAMPLES=`$INFOAUDIO $f | grep "No. samples" | cut -f2 -d':' | tr -d '[:space:]'`
+    N_START=$((N_SAMPLES+1))
+    N_MD=`wc -l $f.0.csv | cut -f1 -d' '`
+    N_HT=`wc -l $f.ht.csv | cut -f1 -d' '`
+    $COPYAUDIO -C $f $f $PROC/$BASE.2.wav
+    for i in 0 1 2 3;do
+        cat $f.$i.csv $f.$i.csv > $PROC/$BASE.2.wav.$i.csv
+    done
+    cat $f.ht.csv $f.ht.csv > $PROC/$BASE.2.wav.ht.csv
+    
+    for cond in $conditions;do
+    
+        # Process condition
+        $cond $PROC/$BASE.2.wav $PROC/$BASE.2.$cond.wav
+        
+        # Cut the output file
+        $COPYAUDIO -F noheader $PROC/$BASE.2.$cond.wav $PROC/$BASE.2.$cond.pcm
+        $ASTRIP -start $N_START -blk 2 -wlen $WLEN $PROC/$BASE.2.$cond.pcm $PROC/$BASE.2.$cond.cut.pcm 
+        $COPYAUDIO -F WAVE-NOEX -P integer16,,$OUTSF_HZ,,2 $PROC/$BASE.2.$cond.cut.pcm $OUTDIR/$BASE/"$cond"_"$BASE".wav
+    done
+    
+done
+    
+
-- 
GitLab


From 013ec6f4c2003da04345ceacf4b1def571fd71b2 Mon Sep 17 00:00:00 2001
From: Erik Norvell <erik.norvell@ericsson.com>
Date: Thu, 24 Jul 2025 11:38:51 +0200
Subject: [PATCH 2/3] Fix dpid usage and add STL filter for anchors

---
 .../BS1534-20/config_directivity.cfg          | 10 -----
 .../characterization/BS1534-20/proc_Exp.bash  | 40 +++++++++++++------
 2 files changed, 28 insertions(+), 22 deletions(-)
 delete mode 100644 experiments/characterization/BS1534-20/config_directivity.cfg

diff --git a/experiments/characterization/BS1534-20/config_directivity.cfg b/experiments/characterization/BS1534-20/config_directivity.cfg
deleted file mode 100644
index 9f8e5109..00000000
--- a/experiments/characterization/BS1534-20/config_directivity.cfg
+++ /dev/null
@@ -1,10 +0,0 @@
-[directivitySetting]
-directivityCount = 1;
-
-[directivityPattern:0]
-directivity = [0.0, 180.0, 0.1]
-
-[distanceAttenuation]
-maxDist = 15;
-refDist = 0.5;
-rolloffFactor = 1;
diff --git a/experiments/characterization/BS1534-20/proc_Exp.bash b/experiments/characterization/BS1534-20/proc_Exp.bash
index 7608e4c2..ecd51694 100644
--- a/experiments/characterization/BS1534-20/proc_Exp.bash
+++ b/experiments/characterization/BS1534-20/proc_Exp.bash
@@ -17,7 +17,7 @@ files=`ls $INDIR/*.wav`
      
 
 # Tools
-RESAMPAUDIO=ResampAudio
+FILTER=filter.exe
 COPYAUDIO=CopyAudio
 INFOAUDIO=InfoAudio
 ASTRIP=astrip.exe
@@ -31,32 +31,47 @@ TMP="TMP"`date +%s%N`
 
 
 ################### Definition of test conditions ###################
-#conditions="REF"
-conditions="REF ANCH3k5 CUT64_3DOF CUT512_3DOF CUT64_6DOF CUT512_6DOF"
+conditions="REF ANCH3k5"
+#conditions="REF ANCH3k5 CUT64_3DOF CUT512_3DOF CUT64_6DOF CUT512_6DOF"
 # Conditions as functions 
 # $1 input signal, 48 kHz wav ISM4
 # $2 output signal, 48 kHz wav BINAURAL
 function REF { # Direct
-    $IVAS_REND -if ISM4 -of BINAURAL -i $1 -im $1.0.csv $1.1.csv $1.2.csv $1.3.csv -T $1.ht.csv -o $2 -render_config config_directivity.cfg
+    $IVAS_REND -if ISM4 -of BINAURAL -i $1 -im $1.0.csv $1.1.csv $1.2.csv $1.3.csv -T $1.ht.csv -o $2 -render_config $1.cfg -dpid 0 1 2 3
 }
 function ANCH3k5 { # 3.5 kHz anchor
-    local CF
-    CF=`echo $PSF_HZ | gawk '{print 3500/$1}'`
-    $RESAMPAUDIO -i 1 -f cutoff=$CF $1 $2
+    REF $1 TMP1.wav
+    N_SAMPLES=`$INFOAUDIO TMP1.wav | grep "No. samples" | cut -f2 -d':' | tr -d '[:space:]'`
+    for ch in A B;do
+        $COPYAUDIO -F noheader --chanA=$ch TMP1.wav TMP1.$ch.pcm
+        dd if=/dev/zero of=TMP.zero.pcm bs=2 count=232
+        cat TMP1.$ch.pcm TMP.zero.pcm > TMP1.$ch.pad.pcm
+        $FILTER LP35 TMP1.$ch.pad.pcm TMP2.$ch.pcm
+        $ASTRIP -start 233 -sample TMP2.$ch.pcm TMP2.$ch.delay.pcm
+    done
+    $COPYAUDIO -S "FL FR" -F WAVE-NOEX -P integer16,,$PSF_HZ,,1 TMP2.A.delay.pcm TMP2.B.delay.pcm $2
+    rm TMP*
 }
 function ANCH7k { # 7 kHz anchor
-    local CF
-    CF=`echo $PSF_HZ | gawk '{print 7000/$1}'`
     REF $1 TMP1.wav
-    $RESAMPAUDIO -i 1 -f cutoff=$CF TMP1.wav $2
+    N_SAMPLES=`$INFOAUDIO TMP1.wav | grep "No. samples" | cut -f2 -d':' | tr -d '[:space:]'`
+    for ch in A B;do
+        $COPYAUDIO -F noheader --chanA=$ch TMP1.wav TMP1.$ch.pcm
+        dd if=/dev/zero of=TMP.zero.pcm bs=2 count=232
+        cat TMP1.$ch.pcm TMP.zero.pcm > TMP1.$ch.pad.pcm
+        $FILTER LP7 TMP1.$ch.pad.pcm TMP2.$ch.pcm
+        $ASTRIP -start 233 -sample TMP2.$ch.pcm TMP2.$ch.delay.pcm
+    done
+    $COPYAUDIO -S "FL FR" -F WAVE-NOEX -P integer16,,$PSF_HZ,,1 TMP2.A.delay.pcm TMP2.B.delay.pcm $2
+    rm TMP*
 }
 function CUT64_6DOF { # CUT64 <input> <output>
     $IVAS_COD -ism +4 $1.0.csv $1.1.csv $1.2.csv $1.3.csv 64000 48 $1 TMP.bs
-    $IVAS_DEC -render_config config_directivity.cfg -T $1.ht.csv BINAURAL 48 TMP.bs $2
+    $IVAS_DEC -render_config $1.cfg -dpid 0 1 2 3 -T $1.ht.csv BINAURAL 48 TMP.bs $2
 }
 function CUT512_6DOF { # CUT64 <input> <output>
     $IVAS_COD -ism +4 $1.0.csv $1.1.csv $1.2.csv $1.3.csv 512000 48 $1 TMP.bs
-    $IVAS_DEC -render_config config_directivity.cfg -T $1.ht.csv BINAURAL 48 TMP.bs $2
+    $IVAS_DEC -render_config $1.cfg -dpid 0 1 2 3 -T $1.ht.csv BINAURAL 48 TMP.bs $2
 }
 function CUT64_3DOF { # CUT64 <input> <output>
     cut -f1-4 -d',' $1.ht.csv > TMP.ht.csv
@@ -92,6 +107,7 @@ for f in $files;do
         cat $f.$i.csv $f.$i.csv > $PROC/$BASE.2.wav.$i.csv
     done
     cat $f.ht.csv $f.ht.csv > $PROC/$BASE.2.wav.ht.csv
+    cp $f.cfg $PROC/$BASE.2.wav.cfg
     
     for cond in $conditions;do
     
-- 
GitLab


From ab44d2d2529c8b7e189b7526f61e1c794872df79 Mon Sep 17 00:00:00 2001
From: Erik Norvell <erik.norvell@ericsson.com>
Date: Fri, 29 Aug 2025 13:30:22 +0200
Subject: [PATCH 3/3] Enable all conditions

---
 experiments/characterization/BS1534-20/proc_Exp.bash | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/experiments/characterization/BS1534-20/proc_Exp.bash b/experiments/characterization/BS1534-20/proc_Exp.bash
index ecd51694..1ad695ee 100644
--- a/experiments/characterization/BS1534-20/proc_Exp.bash
+++ b/experiments/characterization/BS1534-20/proc_Exp.bash
@@ -31,8 +31,7 @@ TMP="TMP"`date +%s%N`
 
 
 ################### Definition of test conditions ###################
-conditions="REF ANCH3k5"
-#conditions="REF ANCH3k5 CUT64_3DOF CUT512_3DOF CUT64_6DOF CUT512_6DOF"
+conditions="REF ANCH3k5 CUT64_3DOF CUT512_3DOF CUT64_6DOF CUT512_6DOF"
 # Conditions as functions 
 # $1 input signal, 48 kHz wav ISM4
 # $2 output signal, 48 kHz wav BINAURAL
-- 
GitLab