This diploma thesis is concerned with machine identification and verification of speaker, it's theory and applications. It evaluates existing implementation of the subject by the Speech@FIT group. It also considers plugins for the Skype program. Then a functioning plugin is proposed which makes possible identification of the speaker. It is implemented and evaluated here. Towards the end of this thesis suggestions of future development are presented.

This master's thesis deals with design and developement of simple dictation system. It explains methods used for speech recognition and describes existing systems. Design of the system is focused primarily to create graphic user interface with large emphasis on user friendliness.