9 electrical and electronic apparatus and instruments, computer programs and computer software for use in the television post production industry, the cinematographic editing industry and the pre press printing production industry, for receiving, recording, monitoring, storing, converting, editing, [ composing ] * compositing * , processing, mixing, manipulating, reproducing and transmitting images and/or image signals and/or audio signals; disk storage apparatus for image data in digital form or image data and sound data in digital form, and parts therefore