Control of plurality of target systems

A system for controlling or operating a plurality of target systems via spoken commands, the system comprising:

• the plurality of target systems;
• a plurality of controllers for controlling or operating the plurality of target systems via spoken commands;
• and
• a speech recognition system that stores interface information that is specific to a target system or a group of target systems of the plurality of target systems that are to be controlled or operated via the spoken commands, the speech recognition system being operable to analyze the interface information to recognize spoken commands issued for controlling or operating the target system or the group of target systems,
• wherein a first controller of the plurality of controllers includes a microphone for picking up audible signals in the vicinity of the first controller and a device for transmitting the audible signals to the speech recognition system, and
• wherein the target system or the group of target systems, which are controllable via the spoken commands, are configured to transmit the interface information specific to the target system or the group of target systems to the speech recognition system.