Since many of the low-power TV stations continued to broadcast in analog for a while, consumers who watch low-power stations needed an adapter with an analog passthrough feature that allows the viewer to watch both digital and analog signals.
Viewers who watch broadcast television on older analog TV sets must use a digital converter box. On June 12, 2009, all full-power analog television transmissions ended in the United States. Because the DTV transition did nothing to reduce the number of broadcast television system standards (and in fact further complicated them), and due to varying frequency allocations and bandplans, there are many other combinations specific to other countries. In North America and South Korea, these ATSC tuner boxes convert from ATSC to NTSC, while in most of Europe and other places such as Australia and most Asian countries, they convert from Digital Video Broadcasting (DVB) to PAL, and in Japan, the Philippines and most countries in South America, they convert from ISDB-T to either NTSC or PAL. It normally does not refer to satellite TV, which has always required a set-top box either to operate the big satellite dish, or to be the integrated receiver/decoder (IRD) in the case of direct-broadcast satellites (DBS). The input digital signal may be over-the-air terrestrial television signals received by a television antenna, or signals from a digital cable system. Some also have an HDMI output since some TVs with HDMI do not have a digital tuner. If you want to connect to the TV or the stereo power amplifier, simply connect the FL / FR 2 ports, and switch to EDID mode in 2CH.A digital television adapter ( DTA), commonly known as a converter box or decoder box, is a television tuner that receives a digital television (DTV) transmission, and converts the digital signal into an analog signal that can be received and displayed on an analog television set. If you need analog audio, connect eight AV cables from the analog power amplifier to the analogTV / Monitor Audio output ports of the converter, the channel must match. If you need digital audio, connect an optical fiber from the digital power amplifier to the SPDIF output port of the converter. Connect an HDMI cable from the TV / monitor to the HDMI output port of the converter. Connect an HDMI cable from a DVD / Blu-ray player to the HDMI input port of the converter. Supports pass-through of deep color, Lip-Sync, Dolby TrueHD, DTS-HD MA and 3D information. Ultra high video amplifier bandwidth up to 2.25Gpbs/ 225 MHz to ensure sharp detailed images and fine audio quality. Easy front panel control with LED status indicators. Supports new 36-bit digital video formats in deep color mode from 25MHz to 225MHz (12 bits/color). No HDMI output connection is required to receive audio from the analog and optical outputs. All sonic details are retained from the original HD feeds after the decoding. Enjoy the decoded audio output with directional sound effects. 24-bit DAC with sampling rate up to 192 KHz for accurate bit-for-bit duplicate of sound. Decodes uncompressed HDMI LPCM 7.1 or 5.1 into multi-channel analog surround sound for amp, receiver or powered speakers. Cost-efficient solution for integrating the new HDMI-based AV equipment into receivers or home theater systems that are not equipped with digital audio decoderthrough using the multi-channel cable or fiber optic cable connection.
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