Professor Felten is a sane voice in the often arcane world that has grown up at the intersection of public policy and technology. He paints a picture of a future in which interoperability is hampered in the name of content protection. Felten coined the term Property Rights Management as a way to co-opt the more standard DRM term and to invoke the ominous nature of the trend. The idea is to downgrade the signal using a “constrictor” so that the process directly impacts audio and video quality.”]
Source: https://www.darkreading.com/analytics/hurray-for-hollywood-