Export sound separatly

sequencer_utils.py

@@ -234,6 +234,27 @@ def render_strips(strips, template):
     scn.render.filepath = render_path
 '''
 
+
+def render_sound(strip, output):
+    output = os.path.abspath(bpy.path.abspath(output))
+    #ext = os.path.splitext(output)[1:]
+
+    scn = bpy.context.scene
+    scene_start = scn.frame_start
+    scene_end = scn.frame_end
+    scene_current = scn.frame_current
+
+    scn.frame_start = strip.frame_final_start
+    scn.frame_end = strip.frame_final_end - 1
+
+    print(f'Render Strip to {scn.render.filepath}')
+    Path(output).parent.mkdir(exist_ok=True, parents=True)
+    bpy.ops.sound.mixdown(filepath=output)#, container=ext.upper()
+            
+    scn.frame_start = scene_start
+    scn.frame_end = scene_end
+    scn.frame_current = scene_current
+
 def render_strip(strip, output):
     output = os.path.abspath(bpy.path.abspath(output))
 
@@ -248,6 +269,7 @@ def render_strip(strip, output):
     scn.render.filepath = output
 
     print(f'Render Strip to {scn.render.filepath}')
+    Path(output).parent.mkdir(exist_ok=True, parents=True)
     bpy.ops.render.opengl(animation=True, sequencer=True)
             
     scn.frame_start = scene_start