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SPIRIT DSP Adds HD Multipoint Voice and Videoconferencing for Tablet Computers

November 17, 2011 | Hogan Keyser
TeamSpirit Tablet Engine to Support iPad and Android Tablets, Avalable for Service Providers, Application Developers and Device Manufacturers

Moscow, Russia - November 17, 2011 - Spirit DSP, the world's top voice and video over IP engines provider, today announced availability of TeamSpirit - Voice & Video Engine Tablet for iOS and Android tablet devices.  TeamSpirit Tablet turns any tablet computer into a high quality HD, multipoint videoconferencing endpoint.  The software development kit (SDK) allows service providers, application developers and device manufacturers to quickly launch voice and video calling services for today's hundreds of millions of tablet computer users.

TeamSpirit Tablet is a complete communications client-side voice and video engine, specifically adopted for tablets with 7 to 12 inch screen sizes, touch screen user interfaces and all available types of Internet connection support. TeamSpirit Tablet is designed to deliver high quality, hadns-free audio using SPIRIT's IP-MR (TM) (IP Multi Rate), wideband, scalable and error-resilient voice codec (IETF RFC 6262) and H.264 scalable HD video (up to 720p HD resolution) on the most popular iOS and Android-based tablet computers.

"Tablet computers are going to make a groundbreaking advancement in both the consumer and professional mobile videoconferencing business. Not only does it give a "face to face" experience and real-life picture size, it also allows for multi-party business video meetings with remote teams and partners, as well as many other collaboration tools such as screen and document sharing, which makes no practical sense on smartphones. Tablets are quickly becoming the communication device of choice in the world, and we're proud to say that our new TeamSpirit Tablet SDK is uniquely designed to support all popular tablet devices, conferencing scenarios and multipoint video layouts," said SPIRIT's Product Marketing Director Alexander Samarin.

TeamSpirit Tablet includes:

  • SPIRIT's patent-free, robust HD voice codec IP-MRT (IETF RFC 6262) specially optimized for voice transmission over all-IP networks
  • Cutting-edge speech enhancement module with SPIRIT's proprietary AEC algorithms delivering the highest signal quality
  • Multi-layer packet loss recovery module for audio and video streaming
  • Special module for network stream adaptation to network impairments, such as congestions, latency, varying delay (jitter), bandwidth limitations, etc.
  • Cross-platform videoconferencing scenario support and seamless integration with TeamSpirit Conferencing Server, TeamSpirit Engine PC, TeamSpirit Engine Mobile and TeamSpirit Engine Tablet
  • SPIRIT's in-depth platform optimization capability designed to save tablet battery life
  • Specific platform features support: landscape/portrait mode, front/back camera selection

Samarin continued, "This release of TeamSpirit Tablet is also enhanced by Google's patent-free VP8 video codec, in addition to standard H.263, H.264 AVC, MPEG4 video codecs - all supporting up to 30 fps (frames per second).

It offers service providers, application developers and device manufacturers a high-level, plug-n-play rich API that is unprecedented in its ability to deliver the highest performing voice and video calling experience possible, and allows our customers to add great tablet screen capabilities to their mobile video communication services in record time."

TeamSpirit Tablet is part of the TeamSpirit Conferencing Platform, a comprehensive set of fully interoperable voice and video engines for converged, cross-platform multipoint HD conferencing communications, supporting all fixed and mobile endpoints.  TeamSpirit Conferencing platform allows end users to conduct HD-quality, multi-point voice and videoconferencing across all popular IP communication devices, including the PC, Mac, Linux, and smartphones and tablets running iOS and Android.

The TeamSpirit Engine is a SDK for real-time IP calling/conferencing communications, allowing business application developers and service providers to offer superior quality communications products to millions of global users.  The TeamSpirit Engine software uniquely combines scalable echo- and noise-free audio with scalable video, a necessary marriage to ensure the highest quality conferencing experience. TeamSpirit enables many hours of battery life in wideband talk mode. The voice engine includes highly optimized standard voice codecs and a patent-free wideband, error-resilient scalable SPIRIT IP-MR voice codec (IETF RFC 6262).  The video engine includes SPIRIT's H.264 scalable video codec that is able to adapt streams to each peer's network and PC environments without heavy transcoding, and it includes a multi-component stream protection module that compensates for network jitter and packet loss.


SPIRIT DSP is the world's top voice and video over IP engines provider. SPIRIT's innovative carrier-grade voice and video software platform allows carriers, OEMs and software developers to deliver superior quality and integrated voice and video over IP services for telcos, cable and mobile service providers, enterprises, internet portals and social networks. More than 200+ million channels in 80+ countries are based on SPIRIT's platforms. SPIRIT software platforms power popular products from Apple, Adobe, ARM, AT&T, Blizzard, BT, China Mobile, Cisco, Ericsson, HP, HTC, Huawei, KT, Kyocera, LG U+, Microsoft, NEC, Oracle, Polycom, Radvision, Samsung, Skype, Texas Instruments, Toshiba, Veraz, Viber, ZTE, among 250+ others. SPIRIT's direct OEM customers jointly exceed 60 percent of the
global smartphone market share. is the SPIRIT spin-off for multi-point video-web-conferencing service. For more information, visit

TeamSpirit is a registered trademark and IP-MR is a trademark of SPIRIT DSP. All other marks are the property of their respective owners.

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