From The Sip Trunking Experts

TMCNet:  Conexant Introduces New Far-Field Voice Input Processor SoC for Smart TVs

[January 08, 2013]

Conexant Introduces New Far-Field Voice Input Processor SoC for Smart TVs

LAS VEGAS --(Business Wire)--

Conexant Systems Inc. today announced the CX20865, its new high-performance Far-Field Voice input processor system-on-chip (SoC) designed specifically for Smart TVs. The CX20865 is the first dedicated Far-Field Voice solution with integrated Automatic Speech Recognition (ASR) engine, optimized for telepresence and voice control applications. Conexant has integrated a third party ASR with the new low-power DSP to support stand-alone Wake-on-Voice functionality during Smart TV power-off state. Combined with Conexant's proprietary Far-Field Voice pre-processing algorithms and integrated high-performance 24bit ADCs, the CX20865 adds a differentiated Watch Live and Talk™ experience with popular VoIP applications, such as Skype (News - Alert) TV, and delivers accurate voice control performance while the TV is blasting in high volume. The new Selective Source Pickup™ technology maintains speech recognition in the presence of random ambient interference, enabling live demos in the retail environment and tradeshows.

As the centerpiece of the living room, the Smart TV is becoming the new hub for the human interface to other digital appliances and the Cloud. Voice is the natural and ideal hands-free interface for consumers to access and interact with Smart TVs; from basic voice remote controls to advanced voice search, apps interaction, social networking, chat and gaming. However, in order for voice to deliver on the promise of Smart TV experience for users, ambient noise, TV playback volume and distance must be taken into consideration. A pioneer in Far-Field Voice processing technology, Conexant is working closely with leading TV OEMs to overcome these technical challenges.

The new CX20865 hardware fetures dual cores, high-performance 32bit DSP, processing multi-thread voice streams and a third party ASR. The integrated DC/DC provides advanced power management functions. The device has full-speed USB and I2S I/Os for voice data, and I2C and UART interface for control. The quad microphone input paths have been upgraded with high-performance pre-amp and 24 bit ADCs, delivering 106dB dynamic range full path. Further, each microphone path has dedicated microphone bias to prevent cross-talk.

The voice pre-processing performance is enhanced to deliver >97 percent ASR hit-rate when the TV is playing sound at high volume. The new echo-cancellation supports stereo, 2.1CH, and 2+2CH internal speaker configurations. The improved de-reverberation and true wideband processing has radically enhanced the perceptual voice clarity. To this end, Conexant is also working with leading regional ASR vendors to optimize hit-rates and reduce false detection with their local and Cloud-based ASR engines.

The featured Watch Live and Talk seamlessly blends voice conversation and TV entertainment into a single experience, allowing two parties to "share the moment" watching the same or different TV programs while carrying on a conversation. The experience also applies to voice-chat during multi-party game play on TV, without tethering to a headset.

Selective Source (News - Alert) Pickup (SSP) is a breakthrough for Far-Field noise suppression in time-varying noisy environments. SSP distinguishes the targeted audience from random speech/noise interference by means of multi-source separation. The technology is optimized for ASR applications which go beyond traditional emulation of human auditory systems that are limited to human hearing intelligence. "A scenario such as an in-store demo at a large, crowded, noisy retailer shop has been plagued by low hit-rate and false detection," noted Jonathan Chien, Conexant executive marketing director. "We have taken a unique approach to address this chaotic situation with Selective Source Pickup. The result is a significantly improved voice interaction experience in the retail shops, as the TV OEM intended."

"Conexant is at the forefront of Far-Field Voice processing technology," noted Saleel Awsare, vice president and general manager for Conexant. "We provide the only turnkey solution, the necessary expertise and support that enables our TV OEM partners to provide the best-in-class experience that allows them to keep up with the advancements in the human voice interface for Smart TVs."

The CX20865 supports the following three major voice user modes:

  • Conversation - for clear and natural voice clarity in a large room; proven Skype TV certification experience.
  • Command and Control - for Local-based ASR hit rate optimization; wake-on voice; noise and echo rejection
  • Voice Dictation - for Cloud-based natural language ASR hit-rate optimization; room/scene adaptation

Other key features include:

  • Watch Live and Talk
  • Selective Source Pickup
  • Multi-vendor hit-rate optimization
  • Pre-tuned "hidden" microphone module for industrial design esthetics and performance
  • Far-Field Voice processing with AEC supporting Stereo, 2.1CH and 2+2 (tweeters and woofers) configurations
  • 32bit dual-core DSP with integrated data and program memory
  • Integrated DC/DC for power management
  • Quad 24 bit ADC (News - Alert) and microphone preamp with independent microphone bias supply

The CX20865 is available in 9x9 BGA package. EVKs are currently available to qualified customers and partners for $500. Pricing starts at $5.50 each in 100K quantities.

About Conexant

Conexant's comprehensive portfolio of innovative semiconductor solutions includes products for imaging, audio, embedded modem, and video surveillance applications. Conexant is a fabless semiconductor company headquartered in Newport Beach, Calif. To learn more, please visit

[ Back To SIP Trunking Home's Homepage ]

Subscribe here for your FREE
SIP TRUNKING enewslettter.

Featured Partner

Featured Whitepapers

SIP Security for the Enterprise
Voice over IP (VoIP) is incorporated into a variety of computer networks, both public and private, and used for everyday transactions and communications among carriers, businesses, government agencies...

Voice-Optimized Network Delivers Premier Call Experience
Customers equate call quality with business quality. Real-time communication, interpersonal interaction, and the cordial tone of a call center representative can create a positive impression of your business that no email can match.

Featured Datasheets

Ingate SIParator E-SBCs
Adopting SIP is a simple process with the Ingate SIParator, the secure enterprise session border controller (E-SBC). The SIParator makes secure SIP communications - including VoIP,SIP trunking and more - possible while working seamlessly with your existing network firewall.

Ingate Firewalls
Everyone is talking about enterprise usage of VoIP, instant messaging and other types of realtime communications including presence and conferencing.

SIP Trunk Solutions for Service Providers
The award-winning Ingate Firewall and Ingate SIParator deliver a high quality, reliable SIP trunk connection between the customer's IP-PBX and the service provider network, and solve interoperability issues to simplify deployments and support for remote diagnosis of reported issues.

Featured Case Studies

Case Study - Haiti
With this solution our doctors were able to reach anywhere in the world quickly and easily, to get consults from colleagues, facilitate treatment, order supplies 'on the fly' and also help victims report back to families. The solution from Business Mobility Systems and Ingate worked immediately.

Case Study - Turkish Petroleum
"With one Ingate at the customer headquarters, all of their remote workers can enjoy the benefits of Turkish Petroleum's IP-PBX from anywhere in the world.

Case Study - GCM
"The Ingate solution overcomes the NAT traversal hurdle and makes it possible to connect customers to our VoIP service, without the need of costly leased lines or support intensive VPN tunnels.

Case Study - Kool Smiles
"Ingate's solutions provide the advanced level of security necessary for this medical environment and the tools to make the interface to the service provider hassle-free."

Case Study - NMSAS
"This solution really saved the day for us," said Paul Mercier, IT Administrator, NMSAS. "We needed to leverage SIP trunks to reduce costs, and they had to work with our existing Microsoft OCS investment."

Discover Leisure Connects Remote Users to its IP-PBX
Discover Leisure is one of the largest resellers of caravans and motor homes in the UK. With 15 branch of?

Featured eBOOKS

Internet+: The Way Toward Global Unified Communication
Connecting the telephony of the enterprise PBX or Unified Communications (UC) system using SIP trunks instead of conventional telephone lines has been very successful in recent years.

What is SIP Trunking? Edition 2
SIP trunking is becoming more of a focus for service providers. One key issue many service providers face when deploying SIP trunks is NAT, or Network Address Translation, traversal.

What is SIP Trunking? Edition 1
A vast resource for information about all things SIP - including SIP, security, VoIP, SIP trunking and Unified Communications.

Featured Videos

E-SBCs AS The Demarcation Point:
Ingate's Steve Johnson talks to Erik Linask about the role session border controller plays as the demarcation point at...

Demystifying DPI
How can deep packet inspection protect your SIP traffic as well as your entire network?

Featured Resources

What's New

Presenting the New Ingate/Intertex Website:
Internet+ is an extended Internet access allowing high quality SIP (Session Initiation Protocol) based real-time person-to-person communication, everywhere and for any application. It applies to both fixed and mobile networks ...

Featured Blogs

Featured Webinars

Secure SIP Trunking:
What You Need to Know

Successfully Deploying Enterprise SIP Trunking:
Tools and Techniques for Overcoming Common Roadblocks

Featured Podcasts

Getting the Most Out of Your SIP Trunks:
Ingate's Steve Johnson and TMC's Erik Linask discuss how best practices forgetting the most out of SIP Trunking services and common pitfalls to avoid.