For productions in which a second performance has to be recorded on the adjacent track in perfect synchronism without copying, while making corrections possible at any time, the B77-SYNC version is recommended.
Examples for such applications are music and song re hearsals, creating musical compositions, the recording of drama and speech sequences or when trying to achieve the precise matching of voice, music and effects, as well as for the treatment of speech defects or for other medical and scientific applications.
