Voice control method and computer program product and apparatus for carrying out the method

The invention relates to a speech control method, in particular for controlling a personal computer, a smartphone, an onboard computer of a vehicle (1) or other devices, where it is determined whether or not the picked up by a receiver (3) and (by means of a speech recognition device from the spoken language, 10 , 21, 40) is processed, a control job can be determined, and voice control means (2) is operated by a software, which changed by at least one extension software (24-24n) which is provided (downloaded from a server 20) can be. According to the invention, the voice control means (2) comprises means (14) for changing the software, which, if it has been determined that the voice control means (2) is not established for the determination and processing of the PLC job, checks whether the speech recognition device (2) by means of the at least one extension software (24-24n) can be adapted to determine and to edit the control job. The invention further relates to a computer program product and apparatus for performing the method.