This paper provides the comparative ergonomical analysis of traditional and digital sound record studio. There are selected four transitional steps in moving from traditional magnetic tape recoding to digital book: classical (traditional) talking book at the audio studio; installation of digital code in the technology of talking books; audio studio without announcer and studio of full speech synthesis for talking book in this article. A short description of performance of sound studio operator is presented there also. On the basis of Moscow town N enterprises ergonomic analysis of partially digitized sound - recording studio are formulated some ergonomic psychological recommendations for future improvement.