Lattice Simplifies Audio Connectivity and Improves Performance with HDMI 2.1 Enhanced Audio Return Channel (eARC) Solutions
Offers Immediate Availability of Self-discovering, Self-configuring and Fully Automatic HDMI Audio Link for Flawless Home Theater Experience
- eARC offers significant enhancements over ARC by improving sound bar, AV Receiver setup, and user experience while supporting more audio formats including DTS:X™ and Dolby Atmos®
- Delivers the highest digital audio performance available, up to 37 Mbits/second
- Designed for future compatibility with HDMI 2.1 televisions and home theater products
- Built-in lip sync mechanism
As a founder, contributor, and adopter of the HDMI Specification, Lattice continues to lead the market by releasing HDMI 2.1 products supporting eARC technology. The eARC feature makes the audio device work seamlessly with the TV. The device selection and volume control are performed by the TV remote, as if no audio device is attached at all. eARC uses two pins within the HDMI cable – the same pins intended for the HDMI Ethernet Channel feature – to transmit the low-jitter, high-bandwidth audio, and also bi-directional communication signals, which discover and control the audio feature. This is a great improvement over the old TOSLINK and SPDIF audio outputs, which require a separate cable and connector, and lack the ability to communicate between the audio device and TV.
“DTS (now
“HDMI’s purpose is to deliver two promises to the consumer—provide the highest possible digital audio and video quality, and make it simple through automatic configuration,” said
eARC makes using even the highest performance audio systems as easy as using a TV with the built-in speaker. Key features of Lattice HDMI 2.1 SiI9437 and SiI9438 eARC ICs include:
- Availability for both TVs and audio devices
- Compatibility with existing HDMI transmitter or receiver ICs using any version of HDMI
- Supports both HDMI 2.1 eARC and HDMI 1.4 legacy ARC modes with automatic ARC fallback
- eARC control channel functions supported via I2C interface
- 4mm x 4mm QFN package with 0.4mm pin pitch
- Supports eARC Data Channel, including lip sync, discovery, heartbeat, status and capabilities
For more information about eARC, please visit http://www.latticesemi.com/Solutions/Solutions/Standards/HDMI21earc.
For more information about Lattice’s HDMI 2.1 eARC products, please visit http://www.latticesemi.com/Products/ASSPs/HDMI21eARC.aspx.
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MEDIA CONTACTS:
Lattice Semiconductor
Sherrie Gutierrez, 408-826-6752
sherrie.gutierrez@latticesemi.com
or
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Deanna Meservey, 617-624-3415
Lattice@racepointglobal.com
INVESTOR CONTACT:
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lscc@globalirpartners.com