DIN EN 62777:2016-11 Quality evaluation method for the sound field of directional loudspeaker array systems (IEC 62777:2016); German version EN 62777:2016
2016DIN EN 62777:2016-11 Quality evaluation method for the sound field of directional loudspeaker array systems (IEC 62777:2016); German version EN 62777:2016
2016DIN EN 62777:2016 Quality evaluation method for the sound field of directional loudspeaker array systems (IEC 62777:2016); German version EN 62777:2016