3 Point-of-audition can be attributed, in its different uses of the term, to Rick Altman (Altman 1992) and Michel Chion (Chion 1994). More recent writings that illustrate the ongoing degree of difficulty in considering POA include Anahid Kassabian (Kassabian 2008) and Svein Høier (Høier 2012), among others. The former illustrates the level of ambiguity that arises, while the latter attempts to encompass and categorize multifarious aspects of the term.