The ATSC-SDI 4 by Contemporary Research is a cost-effective universal HDTV tuner that features an onboard ASI and HD-SDI port, as well as MPEG2 and MPEG4 decoding. The tuner is controllable via RS-232, IP, and IR commands, and includes an onboard Web page that enables remote Web control. It also features a new menu-driven display that simplifies setup, and a front-panel USB port makes firmware updates a snap. The new compact enclosure allows the mounting of two tuners in a single rack space while the integral HD-SDI output allows inclusion of 708/608 captioning, choice of AES stereo or AC-3 audio, and scaled output set to a constant 1080p, 1080i, 720p, or 480i resolution. The ASI port outputs the full MPEG stream, including all programs, audio options, and data at native resolutions. The ATSC-SDI 4 can receive both analog and digital channels, in ATSC, NTSC, and clear QAM formats. Using an optional RF switcher, the tuner can switch between antenna and cable feeds.
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