Watch the video:
Timestamps:
0:00 - Intro
0:28 - Steam Beta
1:28 - Steam volume
2:16 - Steam Output devices
2:30 - Enable Host Audio
3:02 - Misc Steam audio settings
3:15 - Client Audio options
4:11 - Steam Streaming Speakers
5:19 - Change audio bit-depth
5:55 - Other solutions, causes & other solutions
Steam Remote Play / Remote Play Together has a common issue: No audio. This quick guide shows you multiple fixes that should get you and your friends/your other devices hearing game audio as normal in no time.