+ to_reference: !<GroupTransform>
+ children:
+ - !<FileTransform> {src: Protune_Flat_to_linear.spi1d, interpolation: linear}
+ - !<MatrixTransform> {matrix: [0.533448, 0.324139, 0.142412, 0, -0.0507299, 1.07572, -0.0249904, 0, 0.0714197, -0.290522, 1.2191, 0, 0, 0, 0, 1]}