Audio channel translation

The invention relates to a express with a sound field THE input sound channel converting configuration the sound field N output method for track; each track unit is a sound single audio streams comprises a direction of THE, and N is a positive integers, and THE protetive 2, wherein the method comprises a group or multiple groups of output sound rail; each group of one or more output sound rail. Each group of related of two or more of spaces between the input sound channel, and each output sound channel in a group of a process; the processing determining comprising two or inputs related measuring and two for track clamped or the input reciprocity layer of track clamped.