Descriptors | Recording engineering, Recording media, Recording systems, Video recording, Optical recording, Optical disk recordings, Data media, Recording tracks, Optical disks, Dimensions, Labels, Recording characteristics, Track speed, Track pitch, Moment of inertia, Optical properties of materials, Environmental testing, Acoustic signals, Audiofrequencies, Video signals, Sound recording, Bandwidth compression, Noise (spurious signals), Codes, Testing conditions, Test equipment, Mechanical testing |