encoder(In general, any hardware or software that encodes information: that is, converts the information to a particular form or format. For example, the Windows Media Encoder converts audio and video to a form that can be streamed to clients over a network)
RemoteFX encoder(An optional hardware encoder that can be installed for additional scalability on the RemoteFX server. The RemoteFX encoder allows encoding on the processor, on the GPU, or on dedicated hardware. This flexible encoding process provides high fidelity and scalability. In computers where the processors are consistently busy, the dedicated hardware ensures that the user experience is not affected)