The first delay effects were achieved using tape loops improvised on reel-to-reel magnetic recording systems. By shortening or lengthening the loop of tape and adjusting the read and write heads, the nature of the delayed echo could be controlled.
Definition of VM. In Lawrence Associates' Virtual Manufacturing User Workshop report, Virtual Manufacturing (VM)is defined to be an integrated, synthetic manufacturing environment exercised to enhance all levels of decision and control. Design-Centered VM: provides manufacturing information to the designer during the design phase.
PLM or Product Life cycle Management is a process or system used to manage the data and design process associated with the life of a product from its conception and envisioning through its manufacture, to its retirement and disposal.ource: PLM Technology Guide. The core of PLM (product life cycle management) is in the creations and central management of all product data and the technology used to access this information and knowledge.