Initiate Spatial Upmix

put https://api.masterchannel.ai/v1/stem-group/{stem_group_ref}/spatial-upmix

Initiate spatial upmixing on stem group.

Required files in the stem group:

Stereo reference file (mastered stereo file of the same song as the stems)
Drum stem
Vocal stem

Language

Authorization

Bearer

Click Try It! to start a request and see the response here!