diff --git a/experiments/selection/BS1534-4a/config/BS1534-4a.yml b/experiments/selection/BS1534-4a/config/BS1534-4a.yml
index cd7d05db6c900a1faa88eca5e795006f9392745c..73b4264f1fba9081bd06cbfb979b0f113a6b9ecd 100644
--- a/experiments/selection/BS1534-4a/config/BS1534-4a.yml
+++ b/experiments/selection/BS1534-4a/config/BS1534-4a.yml
@@ -77,26 +77,26 @@ conditions_to_generate:
     ### IVAS condition ###############################
     c06:
         type: ivas
+        sba_fmt: "FOA"
         bitrates:
             - 96000
         cod:
-            fmt: "FOA"
         dec:
             fmt: "HOA3"
     c07:
         type: ivas
+        sba_fmt: "FOA"
         bitrates:
             - 128000
         cod:
-            fmt: "FOA"
         dec:
             fmt: "HOA3"
     c08:
         type: ivas
+        sba_fmt: "FOA"
         bitrates:
             - 160000
         cod:
-            fmt: "FOA"
         dec:
             fmt: "HOA3"
 
diff --git a/experiments/selection/BS1534-4b/config/BS1534-4b.yml b/experiments/selection/BS1534-4b/config/BS1534-4b.yml
index ac770a32cfa03d9d64e73570b3c5ae01e8a58a91..c24a219aebff1c4b4e451c657cf7fdc2296b0cc9 100644
--- a/experiments/selection/BS1534-4b/config/BS1534-4b.yml
+++ b/experiments/selection/BS1534-4b/config/BS1534-4b.yml
@@ -53,7 +53,7 @@ conditions_to_generate:
         type: evs
         sba_fmt: "FOA"
         bitrates:
-            - 24400
+            - 48000
         cod:
             opts: ["-max_band", "FB"]
         dec:
@@ -61,7 +61,7 @@ conditions_to_generate:
         type: evs
         sba_fmt: "FOA"
         bitrates:
-            - 32000
+            - 64000
         cod:
             opts: ["-max_band", "FB"]
         dec:
@@ -69,7 +69,7 @@ conditions_to_generate:
         type: evs
         sba_fmt: "FOA"
         bitrates:
-            - 48000
+            - 96000
         cod:
             opts: ["-max_band", "FB"]
         dec:
@@ -77,26 +77,18 @@ conditions_to_generate:
     ### IVAS condition ###############################
     c06:
         type: ivas
+        sba_fmt: "HOA2"
         bitrates:
-            - 96000
+            - 192000
         cod:
-            fmt: "HOA2"
         dec:
             fmt: "HOA3"
     c07:
         type: ivas
+        sba_fmt: "HOA2"
         bitrates:
-            - 128000
-        cod:
-            fmt: "HOA2"
-        dec:
-            fmt: "HOA3"
-    c08:
-        type: ivas
-        bitrates:
-            - 160000
+            - 256000
         cod:
-            fmt: "HOA2"
         dec:
             fmt: "HOA3"