One backend can serve multiple frontends, if it is sufficiently powerful enough and there are enough tuners available.įrontend: A frontend is the part that receives content from the backend and plays back live television and recorded programs to the user. Let’s see what a backend and frontend is:īackend: A backend is the part that tunes the channel, records your scheduled programs, and serves those channels and recorded television to the frontends. For PVR support in XBMC, it is necessary to have both a backend and one or more frontends. Raspbmc can function as both a PVR backend and a frontend. This may, depending on the software you use as a backend, be possible on one tuner, if the two channels are on the same multiplexer. As such, it’s important to note that the capabilities listed earlier are not mutually exclusive, that is, with enough tuners it is possible to record one channel while watching another. Not only does PVR allow you to watch Live TV, but on capable backends (we’ll look at what a backend is in a moment), it allows you to rewind and pause live TV.Ī single tuner allows you to tune into one channel at once, while two tuners would allow you to tune into two. Recordings can be scheduled manually based on a time, or with the help of the TV guide, which can be downloaded from the TV provider (by satellite/aerial or cable), or from a content information provider, such as Radio Times via the Internet. Personal Video Recording (PVR), with a TV tuner, allows you to record as well as watch Live TV. (For more resources related to this topic, see here.) What is PVR?

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