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This is a comparison of digital video recorder (DVR), also known as personal video recorder (PVR), software packages. Note: this is may be considered a comparison of DVB software, not all listed packages have recording capabilities.
Subscribers choose either a standard YouView box or YouView+ box, the latter with the ability to pause and rewind live TV, and a recording capacity of up to 150 hours of HD, or 300 hours of SD Freeview, Entertainment and BT Sport Lite channels, which are included as standard.
A VMS can also be capable of recording audio from network cameras, and may in some cases provide two-way audio through a network camera, acting as an intercom. Typically this requires an external amplifier and speaker by the camera. Some network cameras include a built-in microphone, or may provide external audio I/O connections.
In many devices, the resulting digital video and audio are compressed before recording to reduce the amount of data that will be recorded, although some DVRs record uncompressed data. When compression is used, video is typically compressed using formats such as H.264 or MPEG-2, and audio is compressed using AAC or MP3.
Freeview HD Recorder (formerly Freeview+, originally named Freeview Playback [65]) is the marketing name for Freeview-capable digital video recorders with some enhancements over the original Freeview. All recorders are required to include the following features in addition to standard Freeview: [66] At least eight-day electronic programme guide ...
This software is commonly used for desktop recording, gameplay recording and video editing. Screencasting software is typically limited to streaming and recording desktop activity alone, in contrast with a software vision mixer, which has the capacity to mix and switch the output between various input streams.
In Australia and New Zealand, the dual tuners support the recording of two digital over-the-air signals at the same time, whilst playing back a third. With the dual tuners, it can record or view any two sources simultaneously. For example, two over-the-air broadcasts, two cable programs, or any combination can be recorded at the same time.
DVD recorder drives can be used in conjunction with DVD authoring software to create DVDs near or equal to commercial quality, and are also widely used for data backup and exchange. As a general rule, computer-based DVD recorders can also handle CD-R and CD-RW media; in fact, a number of standalone DVD recorders use drives designed for computers.