NXP Semiconductors has introduced intelligent switches that support the HDMI 1.4 standard released in June 2009. The TDA19997 and TDA19998 smart switches support the new HDMI 1.4 feature, the audio feedback channel, which reduces the number of cables that process and play back audio upstream data streams. Based on NXP's previous success in the HDMI smart switch, the TDA19997 and TDA19998 also have all the necessary HDMI 3D capabilities. NXP is one of the first companies to offer HDMI 1.4 silicon chip solutions.
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The audio feedback channel is a new feature unique to HDMI 1.4 that allows HDTVs that receive audio and video signals directly to send audio data streams through the HDMI cable to the amplification system without the need for additional cable configuration. The NXP TDA19997 and TDA19998 smart switches also integrate an adaptive equalizer that can handle up to four HDMI 1.4 inputs, automatically guaranteeing audio and video quality in the range of up to 30m HDMI cable. The highly integrated design brings a powerful solution that not only saves external components, but also saves material costs for TV manufacturers, and brings high-quality audio-visual enjoyment to the audience. The TDA19997 and TDA19998 have five HDMI/VGA EDID extensions that support high voltage ESD protection.
According to Denis Marsault, NXP's semiconductor media interface product line, "by the end of this year, the global market will deliver nearly one billion CMOS systems. With audio feedback channels, HDTV users can enjoy without complicated cable connections. To high-quality sound. This brings the fast introduction of HDMI 1.4 smart switch to the market, demonstrating our consistent commitment to help TV manufacturers launch the best low-energy, high-definition entertainment product solutions, more convenient to integrate into home theater surroundings."
The TDA19998 smart switch uses NXP's patented F3 (High Speed, High Quality, Fast, Fair and Faithful) architecture to ensure fast switching between HDMI devices and provide encrypted HDCP protected HDMI data for the output. flow. The F3 architecture also delivers outstanding energy savings for systems that are in operation and in standby.
The NXP TDA19997 and TDA19998 are not only the second generation of NXP HDMI smart switches, but also part of a broad portfolio of highly flexible digital home solutions that help TV manufacturers expand their target consumer base – including the most price sensitive Consumers, to consumers who pay the most attention to TV functions. The TDA19997 and TDA19998 are fully compatible with the previous generation of NXP smart switch pins, while giving TV manufacturers unprecedented flexibility: in terms of price, functionality and energy consumption, they meet end-user needs; In terms of performance, it meets the requirements of TV program operators and content providers.
Time to market NXP is currently ready to provide TDA19997 engineering technology samples. The TDA19998 smart switch is scheduled to be available in mid-October 2009.
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