diff --git a/encoder/output.php b/encoder/output.php
index 63e2383..801975c 100755
--- a/encoder/output.php
+++ b/encoder/output.php
@@ -43,15 +43,15 @@ $defaults = [
     'audio_sample_rate' => '48000'
   ],
   'udp0' => [
-    'common_backend' => 'use_common_backend',
+    'common_backend' => 'transcode',
     'udp' => 'udp://@224.1.1.1:8001',
-    'formate' => 'h264_qsv',
+    'format' => 'h264_qsv',
     'resolution' => '1280x720',
     'data_rate' => '2.2M',
     'framerate' => '25',
     'gop' => '25',
     'extra' => '',
-    'audio_formate' => 'aac',
+    'audio_format' => 'aac',
     'audio_data_rate' => '128k',
     'audio_db_gain' => '0dB',
     'audio_sample_rate' => '48000'
@@ -59,13 +59,13 @@ $defaults = [
   'udp1' => [
     'common_backend' => 'transcode',
     'udp' => 'udp://@224.1.1.1:8001',
-    'formate' => 'h264_qsv',
+    'format' => 'h264_qsv',
     'resolution' => '720x576',
     'data_rate' => '1.5M',
     'framerate' => '25',
     'gop' => '25',
     'extra' => '',
-    'audio_formate' => 'mp2',
+    'audio_format' => 'mp2',
     'audio_data_rate' => '128k',
     'audio_db_gain' => '0dB',
     'audio_sample_rate' => '48000'
@@ -73,26 +73,26 @@ $defaults = [
   'udp2' => [
     'common_backend' => 'transcode',
     'udp' => 'udp://@224.1.1.1:8002',
-    'formate' => 'mpeg2video',
+    'format' => 'mpeg2video',
     'resolution' => '720x576',
     'data_rate' => '3M',
     'framerate' => '25',
     'gop' => '25',
     'extra' => '',
-    'audio_formate' => 'mp2',
+    'audio_format' => 'mp2',
     'audio_data_rate' => '96k',
     'audio_db_gain' => '0dB',
     'audio_sample_rate' => '48000'
   ],
   'srt' => [
     'common_backend' => 'use_common_backend',
-    'formate' => 'mpeg2video',
+    'format' => 'mpeg2video',
     'resolution' => '1920x1080',
     'data_rate' => '6M',
     'framerate' => '50',
     'gop' => '50',
     'extra' => '',
-    'audio_formate' => 'aac',
+    'audio_format' => 'aac',
     'audio_data_rate' => '256k',
     'audio_db_gain' => '0dB',
     'audio_sample_rate' => '48000'