diff --git a/ansible/roles/media/files/cast_file_vaapi b/ansible/roles/media/files/cast_file_vaapi
index 2c2c655..c2e0c2d 100644
--- a/ansible/roles/media/files/cast_file_vaapi
+++ b/ansible/roles/media/files/cast_file_vaapi
@@ -71,9 +71,9 @@ function h264 {
         -vf 'format=nv12|vaapi,hwupload' \
         -c:v h264_vaapi \
         -bf 0 \
-        -c:a aac \
-        -b:a 160k \
-        -ar 44100 \
+        -c:a opus \
+        -b:a 320k \
+        -ar 48000 \
         -f rtsp \
         -rtsp_transport udp \
         "rtsp://$USERNAME:$PASSWORD@172.16.16.251:8554/fetch"
@@ -94,9 +94,9 @@ function software_h264 {
         -i "$file_to_cast" \
         -c:v h264 \
         -bf 0 \
-        -c:a aac \
-        -b:a 160k \
-        -ar 44100 \
+        -c:a opus \
+        -b:a 320k \
+        -ar 48000 \
         -f rtsp \
         -rtsp_transport udp \
         "rtsp://$USERNAME:$PASSWORD@172.16.16.251:8554/fetch"
@@ -112,9 +112,9 @@ function preprocess_h264 {
         -i "$file_to_cast" \
         -c:v h264 \
         -bf 0 \
-        -c:a aac \
-        -b:a 160k \
-        -ar 44100 \
+        -c:a opus \
+        -b:a 320k \
+        -ar 48000 \
         "$file_to_save"
 }