Ampex machine's high price tag. Ampex sold only about 50 or 60 ATR-124 machines, and withdrew from the professional audio tape recorder market entirely in 1983. By the 1990s, Ampex focused more on video recorders, instrumentation recorders, and data recorders. In 1991, Ampex sold their professional audio recorder line to Sprague Magnetics. The Ampex Recording Media Corporation spun off in 1995 as Quantegy Inc.; that company has ceased producing recording tape. Starting in the early 1950s, RCA, Bing Crosby and others tried to record analog video on very fast-moving magnetic tape. As early as 1952, Ampex developed prototype video tape recorders
TiVo digital video recorders The models can transfer recordings from the built-in hard drive to DVD Video-compliant discs, playable in most modern DVD systems. The video encoding on these models was modified to match the DVD standard so transferring to DVD does not require transcoding. The Series2 standalones can only tune analog signals, so to comply with FCC rules on analog TV phaseout, models that record from over-the-air channels are no longer sold. The dual tuner (DT) models and the TCD542 (a revision of the TCD540) will only record from cable and satellite sources. Some TiVo systems are integrated with DirecTV receivers. These "DirecTiVo"