A remote operation centre for monitoring a vessel, the remote operation centre comprises: a set of speakers; and a controller, comprising: an input unit, configured to receive at least one microphone signal from at least one on-board directional microphone of an array of on-board directional microphones; a processing unit, configured to analyze the received at least one microphone signal and to generate speaker-specific directional output signals based on the analysis; and an output unit, configured to send the generated speaker-specific directional output signals to respective one or more speakers of the set of speakers, wherein the processing unit is further configured to perform the analyzing of the received at least one microphone signal by at least one of: determining the direction of a sound represented by the received at least one microphone signal, or identifying a source object of a sound represented by the received at least one microphone signal, and characterized in that the input unit is further configured to receive one or more radio communication channel signals of a vessel radio communication system, and the output unit is further configured to send the one or more radio communication channel signals as directional radio output signals to one or more speakers of the set of speakers such that each radio communication channel is reproduced from a different direction. a set of speakers; and a controller, comprising: an input unit, configured to receive at least one microphone signal from at least one on-board directional microphone of an array of on-board directional microphones; a processing unit, configured to analyze the received at least one microphone signal and to generate speaker-specific directional output signals based on the analysis; and an output unit, configured to send the generated speaker-specific directional output signals to respective one or more speakers of the set of speakers, an input unit, configured to receive at least one microphone signal from at least one on-board directional microphone of an array of on-board directional microphones; a processing unit, configured to analyze the received at least one microphone signal and to generate speaker-specific directional output signals based on the analysis; and an output unit, configured to send the generated speaker-specific directional output signals to respective one or more speakers of the set of speakers, wherein the processing unit is further configured to perform the analyzing of the received at least one microphone signal by at least one of: determining the direction of a sound represented by the received at least one microphone signal, or identifying a source object of a sound represented by the received at least one microphone signal, and characterized in that the input unit is further configured to receive one or more radio communication channel signals of a vessel radio communication system, and the output unit is further configured to send the one or more radio communication channel signals as directional radio output signals to one or more speakers of the set of speakers such that each radio communication channel is reproduced from a different direction. determining the direction of a sound represented by the received at least one microphone signal, or identifying a source object of a sound represented by the received at least one microphone signal, and characterized in that the input unit is further configured to receive one or more radio communication channel signals of a vessel radio communication system, and the output unit is further configured to send the one or more radio communication channel signals as directional radio output signals to one or more speakers of the set of speakers such that each radio communication channel is reproduced from a different direction.