 
 // MARK: - AudioConfiguration
 
-class AudioConfiguration: MediaTypeConfiguration {
+public class AudioConfiguration: MediaTypeConfiguration {
     
     /**
     Set the bitrate of the audio


// MARK: - VideoConfiguration

class VideoConfiguration : MediaTypeConfiguration {
    
    /**
    Set the bitrate of the video

    transition between filters in the same record segment, make sure to set
    an empty SCFilterGroup instead of setting this property to nil.
    */
    //var filter: Filter? = nil
    
    /**
    The video composition to use.
