A portable electronic device, comprising: a housing comprising at least one hole; and at least two directional microphones (105a, 105b) mounted in the housing and placed coincidentally for stereo sound pickup, each one of the two directional microphones (105a, 105b) defining a main sound axis and each one of the two directional microphones (105a, 105b) defining a direct sound direction and a opposite sound direction which describe opposite directions of the main sound axis; wherein the at least one hole is a common hole shared between the at least two directional microphones (105a, 105b); wherein the housing is configured for housing the portable electronic device and is formed as a plate defined by two main areas framed by a top side, a bottom side and two lateral sides (155, 157), wherein the two main areas define a front side and a back side of the housing; wherein the housing comprises a second hole and a third hole; and wherein the at least two directional microphones (105a, 105b) are mounted in the housing such that the direct sound directions of the at least two directional microphones (105a, 105b) are pointing through the common hole in different directions, the opposite direction of a first one of the at least two directional microphones (105a, 105b) is oriented towards the second hole and such that the opposite direction of a second one of the at least two directional microphones (105a, 105b) is oriented towards the third hole; wherein the common hole is located in the bottom side of the housing such that directivity polar patterns of the at least two directional microphones (105a, 105b) are directed towards the bottom side of the housing; and wherein the second hole is located in a bottom section of the front side and the third hole is located in a bottom section of the back side of the housing. a housing comprising at least one hole; and at least two directional microphones (105a, 105b) mounted in the housing and placed coincidentally for stereo sound pickup, each one of the two directional microphones (105a, 105b) defining a main sound axis and each one of the two directional microphones (105a, 105b) defining a direct sound direction and a opposite sound direction which describe opposite directions of the main sound axis; wherein the at least one hole is a common hole shared between the at least two directional microphones (105a, 105b); wherein the housing is configured for housing the portable electronic device and is formed as a plate defined by two main areas framed by a top side, a bottom side and two lateral sides (155, 157), wherein the two main areas define a front side and a back side of the housing; wherein the housing comprises a second hole and a third hole; and wherein the at least two directional microphones (105a, 105b) are mounted in the housing such that the direct sound directions of the at least two directional microphones (105a, 105b) are pointing through the common hole in different directions, the opposite direction of a first one of the at least two directional microphones (105a, 105b) is oriented towards the second hole and such that the opposite direction of a second one of the at least two directional microphones (105a, 105b) is oriented towards the third hole; wherein the common hole is located in the bottom side of the housing such that directivity polar patterns of the at least two directional microphones (105a, 105b) are directed towards the bottom side of the housing; and wherein the second hole is located in a bottom section of the front side and the third hole is located in a bottom section of the back side of the housing.