https://docs.google.com/document/d/1hJS7irianonqB-QYtshgw4FV5bG1tEcL6NhZcQjInSo/edit-Speaker paper
https://docs.google.com/document/d/1lCcIRi0uqe_ZSwP_3cXDLqJ_gKhbDtv1kXk2GL5f5aA/edit-SCM
https://docs.google.com/document/d/1lCcIRi0uqe_ZSwP_3cXDLqJ_gKhbDtv1kXk2GL5f5aA/edit-SCM