Digital media player - Terminology. 1  Digital media players are also commonly referred to as a digital media extender, digital media streamer, digital media hub, digital media adapter, or digital media receiver (which should not be confused with AV Receiver that are also called Digital Media Renderer).
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Return on Investment  (ROI) is a popular financial metric for evaluating the financial consequences of investments and actions. In fact, several other metrics are called by that name, but the best known is the metric defined here as simple ROI.