if( video || ( i === 1 && X_Audio_Sprite_useVideoForMulti ) ){\r
option[ 'useVideo' ] = true;\r
};\r
- tracks.push( X.Audio( urls, X_Object_clone( option ) ) );\r
+ tracks.push( X[ 'Audio' ]( urls, X_Object_clone( option ) ) );\r
};\r
\r
tracks[ n - 1 ][ 'listenOnce' ]( [ X_EVENT_BACKEND_READY, X_EVENT_BACKEND_NONE ], this, X_Audio_Sprite_handleEvent );\r