Lattice Simplifies Audio Connectivity and Improves Performance with HDMI 2.1 Enhanced Audio Return Channel (eARC) Solutions
November 29 2017 - 8:00AM
Business Wire
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
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Lattice Semiconductor Corporation (NASDAQ:LSCC), the leading
provider of customizable smart connectivity solutions, today
announced the release of the SiI9437 and SiI9438, the first HDMI®
2.1 compliant Enhanced Audio Return Channel (eARC) audio receiver
and transmitter devices. eARC future proofs and significantly
improves home theater connectivity. This new, simple and
trouble-free audio feature is included in the recently announced
HDMI 2.1 Specification. Available today, eARC technology was
developed by the HDMI Forum, an organization of over 80 leading
consumer electronics companies.
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 Xperi) was happy to collaborate with Lattice to
develop eARC technology because it solves important, long-term
compatibility problems in home theaters,” said Joanna Skrdlant,
General Manager, Home Audio & Solutions Licensing at Xperi. “We
believe that the new features coming to consumers with eARC will
enhance their home theater experience. Audio content can now move
freely through listeners' connected TVs, while preserving the
incredible experience of DTS:X immersive audio and DTS-HD surround
audio found in Ultra HD Blu-ray Discs, Blu-ray Discs and streaming
services worldwide.”
“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
Marshall Goldberg, marketing manager at Lattice Semiconductor.
“eARC technology is a tremendous step in home theater connectivity,
as it brings vastly higher audio quality than TOSLINK or SPDIF,
without the complexity of switching through an AVR device. In
addition, its all-new discovery method also guarantees
compatibility when products from different manufacturers are
connected in a home theater system.”
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.
About Lattice Semiconductor
Lattice Semiconductor (NASDAQ: LSCC) is a leader in smart
connectivity solutions at the network edge, where the “things” of
IoT live. Our low power FPGA, 60 GHz millimeter wave, video ASSP
and IP products deliver edge intelligence, edge connectivity, and
control solutions to the consumer, communications, industrial,
compute, and automotive markets. Our unwavering commitment to our
global customers enables them to accelerate their innovation,
creating an ever better and more connected world.
For more information about Lattice please
visit www.latticesemi.com. You can also follow us
via LinkedIn, Twitter, Facebook, YouTube,
WeChat, Weibo or Youku.
Lattice Semiconductor Corporation, Lattice Semiconductor (&
design), and specific product designations are either registered
trademarks or trademarks of Lattice Semiconductor Corporation or
its subsidiaries in the United States and/or other countries.
GENERAL NOTICE: Other product names used in this
publication are for identification purposes only and may be
trademarks of their respective holders.
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MEDIA CONTACTS:Lattice SemiconductorSherrie Gutierrez,
408-826-6752sherrie.gutierrez@latticesemi.comorRacepoint
GlobalDeanna Meservey,
617-624-3415Lattice@racepointglobal.comINVESTOR
CONTACT:Global IR PartnersDavid Pasquale,
914-337-8801lscc@globalirpartners.com
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