The latter. According to this wiki I found [1] the audio was muxed in with the program data, and then separated by the Satellaview satellite box. This audio wou

The latter. According to this wiki I found [1] the audio was muxed in with the program data, and then separated by the Satellaview satellite box. This audio would then get mixed in with the Super Famicom's audio output and sent to the TV. [1] https://wiki.superfamicom.org/satellaview-soundlink https://wiki.superfamicom.org/satellaview-soundlink