Audio with WSL 1

On windows side, download pulse and configure it as explained here, ignore the X part.

Edit 'etc\pulse\default.pa'
Line 42
FROM    load-module module-waveout sink_name=output source_name=input
TO      load-module module-waveout sink_name=output source_name=input record=0

Line 61
FROM    #load-module module-native-protocol-tcp
TO      load-module module-native-protocol-tcp auth-ip-acl=127.0.0.1

STEP 4 Edit 'etc\pulse\daemon.conf'
Line 39
FROM    ; exit-idle-time = 20
TO      exit-idle-time = -1

Then run bin\pulseaudio.exe from cmd or powershell.

On linux side, install pulseaudio, in shell type

export PULSE_SERVER=tcp:127.0.0.1

pulse.png-mUYMOF1gC64QbyD-md
Left: Windows running pulseaudio, Right: Debian using my radioClicky script. Win.