The following lines were added (+) and removed (-):
<nowiki>*</nowiki>''Some terms are sometimes used interchangeably. Vendors refer aPVR as digital video recorder (DVR); personal TV receiver (PTR); personal video station (PVS); and hard disk recorder (HDR). Some manufacturers, such as Hauppauge, use the term DVR to describe a box that might not be stand-alone, requiring a computer to connect to. The term PVR seems more frequently used with stand-alone units.''<nowiki>*</nowiki>''Some terms are sometimes used interchangeably depending on the source. Vendors refer aPVR as digital video recorder (DVR); personal TV receiver (PTR); personal video station (PVS); and hard disk recorder (HDR). Some manufacturers, such as Hauppauge, use the term DVR to describe a box that might not be stand-alone, requiring a computer to connect to. The term PVR seems more frequently used with stand-alone units.'' == PVR, DVD-R, DVD Recorder == From [http://www.dtvforum.info/index.php/topic/52865-a-pvr-with-composite-input/ this thread on the DTV Forum], a PVR can only record from an internal ATSC tuner, while a DVD Recorder (DVDR) can record from external sources, such as your Dish Network satellite tuner. Some DVD Recorders have an internal hard drive.