Minor update MB STUDIO 8.73.2.0

• logger: fixed issue where video source selector had no effect.
• Webcast: in MB STUDIO PRO it is now possible to choose a different audio source which can be webcast (default), ext1 .. ext4, mbstudio mix (this is used for example to have encoders with different content or without music for streaming on Facebook). In the home window of MB STUDIO, with a click on the encoder the audio source of the encoder is indicated and the input audio levels are displayed
• Audio: updated FLAC codecs to version 1.4.3
• Video: the latency of the video connection from MB LIVE was slightly reduced.

MB STUDIO can be updated with this procedure: MB STUDIO - CHECK FOR UPDATES