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Silicon Image receivers put HDMI 1.3 into midrange TVs

Posted: 01 Mar 2007 ?? ?Print Version ?Bookmark and Share

Keywords:Silicon Image? HDMI 1.3? HDTVs? A/V receivers? HD-DVD?

Video IC provider Silicon Image Inc. has rolled out four chips, including two receivers that it said will push the HDMI 1.3 specification into midrange TVs. Silicon Image said manufacturers could use the SiI9125 dual-input HDMI receiver as a drop-in upgrade to add HDMI 1.3 capabilities to HDTVs. Its other new receiver, the SiI9135, supports high-bit-rate audio and is designed for A/V receivers.

"This integration helps us increase penetration of HDMI 1.3not just the high end, but also in midrange TVs," said Waheed Rasheed, product-marketing manager of CE products at Silicon Image.

HDMI is now considered a "check box item" and the "HD experience" is becoming mainstream, Rasheed added.

Silicon Image said the SiI9135 provides a complete solution for TV manufacturers when paired with the company's recently announced SiI9134 transmitter chip. Aimed at HD-DVD and Blu-ray Disc player and recorder designs, the latter device supports the transmission of Deep Color content, displaying billions of colors rather than the millions available through previous versions of the HDMI spec. The SiI9135 supports the latest HD audio formats, and its high-bit-rate audio enables A/V receivers to play back compressed lossless audio formats, including Dolby True HD and DTS-HD, Silicon Image said.

For its part, the SiI9125 receiver enables HDTVs to display Deep Color content transmitted by a new generation of consumer products, such as the Sony Playstation 3 and HD-DVD players. The device offers a cost-effective means of implementing dual HDMI inputs for simultaneous connection of multiple HDMI source devices, such as a DVD player and an STB, to a DTV, Silicon Image said. A built-in high-bandwidth digital content-protection decryption engine supports both Super Audio-CD and DVD Audio, including 7.1-surround audio at 192kHz and stereo audio at 192kHz.

Both the SiI9135 and SiI9125 support 10bit and 12bit color depths (4:4:4 RGB or YCbCr), up from the 8bit color depths in the current generation of HDTVs, the company said.

VastLane switches
Silicon Image also introduced two VastLane transition-minimized differential-signaling switches. The SiI9181 and SiI9185 enable multiple HDMI devices to connect to HDTVs with frequency of operation up to 225MHz. Both support Deep Color. The devices provide a cost-effective way for HDTV manufacturers to connect new HDMI-enabled devices coming to market, including HD-DVD or Blu-ray Disc players, STBs, A/V receivers, game consoles, camcorders and digital still cameras, the company said.

The SiI9185 three-to-one switch is suited for use in the back panel of HDTVs, where consumers would plug in multiple devices, Silicon Image said. The SiI9181 one-to-one switch is suited for the front or side panel. The devices include built-in support for Consumer Electronic Control functionality, and both integrate Extended Display Identification Data (EDID) RAM, eliminating the need for external EDID read-only memory for each HDMI port, according to the vendor.

The devices offer a very low-power standby mode, Silicon Image said.

- Dylan McGrath
EE Times

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