System for conference call and corresponding devices, method and program products

System for a conference call, which includes

• at least one portable audio device arranged in an common acoustic space which device is equipped with audio components for inputting and outputting an audible sound and at least one communication module,
• at least one base station device to which at least the said one portable audio device is interconnected and which base station device is connected to the communication network in order to perform the conference call from the said common acoustic space,
• characterized in that at least part of the portable audio devices are personal mobile devices which audio components are arranged to pick the audible sound from the said common acoustic space.

Portable audio device for a conference call, which is equipped with audio components for inputting and outputting an audible sound from a common acoustic space and at least one communication module in order to be interconnected with at least one base station device that is connected to the communication network in order to perform the conference call from the common acoustic space, characterized in that the portable audio device is a personal mobile device which audio components are arranged to pick the audible sound from the said common acoustic space.

Base station device for conference call system that is arranged at least partly to a common acoustic space and which base station device is equipped with possible audio components for inputting and outputting an audible sound and to which at least part of the portable audio devices are interconnected as clients and which base station device is connected to the communication network in order to perform the conference call from the said common acoustic space, characterized in that the said base station device is a personal mobile device which audio components are arranged to pick the audible sound from the said common acoustic space.

Method for performing a conference call, in which

• at least one portable audio device arranged in an common acoustic space which device is equipped with audio components for inputting and outputting an audible sound and at least one communication module,
• at least one base station device to which at least the said one portable audio device is interconnected and which base station device is connected to the communication network in order to perform the conference call from the said common acoustic space,
• characterized in that at least part of the portable audio devices are personal mobile devices which audio components are arranged to pick the audible sound from the said common acoustic space.

Program product for performing a conference call client device functionality that is intended to be interconnect to a base station device, which program product include a storing means and a program code executable by processor and written in the storing means, characterized in that the program code is arranged in connection with a personal mobile device that is equipped with audio components including a microphone and a loudspeaker and which program code includes

• first code means configured to pick an audible sound from an common acoustic space by using of the microphone of the said personal mobile device and
• second code means configured to process the microphone signal produced from the audible sound by the speech enhancement functions of the personal audio device.

Program product for performing a conference call base station functionality for at least one portable audio device, which program product include a storing means and a program code executable by processor and written in the storing means, characterized in that at least part of the program code is arranged in connection with a personal mobile device that is equipped with a possible loudspeaker and a microphone and which program code includes

• first code means configured to pick an audible sound from an common acoustic space by using of the microphone of the said base station device and
• second code means configured to process the loudspeaker signals intended to be outputted by the loudspeakers of the portable audio devices by the speech enhancement functions of the base station device.