diff --git a/video_formats/spectrograph.json b/video_formats/spectrograph.json
index 890d78a..325d9cb 100644
--- a/video_formats/spectrograph.json
+++ b/video_formats/spectrograph.json
@@ -1,11 +1,7 @@
 {
     "main_pass":
     [
-        "-n", "-c:v", "libx264",
-        "-pix_fmt", ["pix_fmt", ["yuv420p", "yuv420p10le"]],
-        "-crf", ["crf","INT", {"default": 19, "min": 0, "max": 100, "step": 1}],
-        "-vf", "scale=out_color_matrix=bt709",
-        "-color_range", "tv", "-colorspace", "bt709", "-color_primaries", "bt709", "-color_trc", "bt709"
+        "-n", "-frames:v", "1"
     ],
     "audio_pass":
     [
@@ -13,5 +9,5 @@
         "-filter_complex",  "[1:a] showcqt=bar_h=0:size=1440x2560",
         "-ss", ["start_time", "INT", {"default": 17}], "-an", "-frames:v", "1"
     ],
-    "extension": "mp4"
+    "extension": "out.png"
 }