The Year of HD Voice


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This deck provides an overview of High Definition Voice or HD Voice. Some of the following topics are covered: market trends, the difference between wideband and narrowband audio, the benefits of using HD voice, and some of the carriers using it.

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The Year of HD Voice

  1. 1. The Year of HD Voice <br />March 9, 2010<br />Doug Mohney <br />HDVoice News, Editor-in-Chief <br /><br />Rich Poole <br /> Dialogic, Director Business Development Director<br /><br />Sponsored by: <br />
  2. 2. High Definition (HD) Voice<br />What’s the big secret?<br />
  3. 3. Market Trends<br />000,000’s<br />Wireless Subs & Technology<br />Total Wireless Subs<br />GSM & UNTS<br />Source: FCC<br />Source: FCC<br />CDMA<br />Source: Wikipedia<br />More High Speed Lines<br />More Bandwidth for Applications<br />$/Minute & $/Call Down<br />Voice becoming a commodity<br />Cellular Phone Usage Up<br />More Mobile Communication<br />1080p<br />Unified Communications & Collaboration<br />Work where you are<br />HD TV & Home Theaters<br />Quality of Experience important<br />Global Workplace<br />Communications is Important<br />More Smart Phones<br />Increase in Processing<br />
  4. 4. SD Voice<br />“Could you repeat that?”<br />Voice<br />What is HD Voice?<br />Voice<br />Not always understandable<br />Narrowband: 300-3,400 Hz<br />HD Voice<br />Voice<br />Voice<br />Clearer, more understandable<br />Wideband: 50-7,000 Hz<br />
  5. 5. Wideband (HD) and Narrowband Compared<br />Spectral Energy Density Analysis<br /> ”Calls are Sometimes More…”<br />7000 Hz<br />Power Spectral Energy is strongest in blue areas<br />Wideband <br />(HD Voice)<br />Fricatives (“s”, “z”, “f”) energy peaks at 4,000-6,000 Hz <br />3400 Hz<br />Narrowband (SD Voice)<br />Male vowels start ~80 Hz<br />300 Hz<br />50 Hz<br />Narrowband (SD Voice) spectrum<br /><ul><li>Harder to differentiate “f” and “s” or “m” and “n”
  6. 6. Difficulty with foreign accents, noisy backgrounds</li></li></ul><li>HD Voice Benefits<br />Every Voice & Video Application stands to benefit from HD Voice<br />Voice mail, IVR, IVVR<br />Conferencing <br />Contact centers<br />Color Ringback Tones<br />Video / HD Voice<br />Improved QoE<br />Higher Fidelity<br />Clearer Communications<br />Improved Voice Quality is a real Differentiator<br />Comments from Ericsson & T-Mobile Trial of Wideband Audio Mobile Services in Germany in 2006<br />Customers respond to clarity, sense of intimacy<br />93% favorable towards HD Voice<br />71% reported distinct improvement in voice quality, clarity<br />Easier to place and conduct calls in noisy environments<br />Greater sense of privacy, discretion and comfort<br />Early 1990s: Video Telephony Industry found User Perceptions of Video Calls were Improved by Reducing Video Bits in Order to Provide Bits for Wideband Audio<br />
  7. 7. Major HD Voice Codecs<br />Wireline:<br />G.722 <br />G.711.1 (Japan, …) <br />Enterprise / UC: <br />G.722.1 - Polycom<br />SILK - Skype<br />RTA (Real Time Audio) - Microsoft<br />Others: iSAC, Speex, … <br /><ul><li>Wireless:</li></ul>UMTS/GSM: G.722.2 (AMR-WB)<br />CDMA: EVRC-WB, VMR ?<br />WiMAX / LTE: tbd (OTT?)<br />Used in Polycom Conferencing<br />Used in P2P for > 400M Skype Users<br />Used in Microsoft OCS UC<br />
  8. 8. Relative Encoder Complexity<br />Relative cycle processing power for various encoders<br />
  9. 9. What About the Networks? <br />Initial Rollouts on Mobile are for 3G<br />3G Standard HD Codec is AMR-WB<br />Transcoder Free Operation (TrFO) is the norm within these networks<br />Exact Requirements for 4G networks under review<br />Enterprise networks using G.722, G.722.1, RTA, …<br />Connectivity across networks likely to require Transcoding<br />Also need backward compatibility to narrowband codecs, which entails transcoding or re-negotiation<br />
  10. 10. Connecting Islands of HD Voice Coverage<br />Challenge to interop between networks<br />Fixed Broadband<br />SIP<br />PSTN<br />Multimedia<br />Services<br />IP Network<br />ISUP<br />SIP<br />Multimedia<br />Gateways<br />Mobile Broadband<br />Enterprise<br />Mobile Voice<br />SIP<br />SIP<br />BICC / SIP-I<br />
  11. 11. HD Voice Challenges<br />Wider spectrum requires better speakers and microphones requiring new phone designs<br />Bandwidth / CPU Trade-offs:<br />Less complex HD vocoding requires more bandwidth<br />More complex HD vocoding requires less bandwidth, but more CPU power to process coder<br />Cell phones need to be upgraded to handle HD Voice<br />Better speakers, better microphone, more processing capability<br />Islands of HD Coverage – Enterprise, Home & Wireless use different HD Codecs<br />May need to interoperate between different vocoders and signaling<br />3G Wireless Networks may need TrFO (Transcoder Free Operation)<br />Allows HD Vocoded Speech to Travel End-to-End within Wireless Network<br />Over-The-Top Wireless Applications may offer HD Voice using data channel, but how will they interoperate with Legacy Wireless Voice?<br />
  12. 12. High Definition (HD) Voice<br />Who’s Doing HD Voice?<br />
  13. 13. Who is doing HD voice?<br />Major Carriers<br />Mobile<br />Cable/MSO<br />Hosted VoIP/Business VoIP<br />Consumer bypass play<br />By region:<br />Europe now<br />Asia beginning<br />North America “under the radar.”<br />
  14. 14. Major Carriers<br />France Telecom<br />At least 500,000 users/end-points on broadband<br />Multiple mobile deployments announced<br />BT<br />Testing with BT hub, may have 2M end points deployed<br />Deutsche Telekom<br />Consumer testing as early as 1996 with Ericsson; expect mobile in 2H10<br />Telstra<br />Hosted HD voice service for businesses<br />Could have up to 11,000 end-points internally<br />Global Crossing<br />Running HD conferencing bridge for top-tier customer<br />Public HD conferencing bridge coming<br />5600 end points (mix of handsets & soft clients)<br />Verizon<br />Nearly 5,000 endpoints installed at HQ<br />Verizon Business: “Early adopters 2010, general availability 2011”<br />Telecom Italia<br />Often cited in the laundry list<br />
  15. 15. Mobile/Cellular<br />France Telecom / Orange<br />Moldova running<br />UK, Belgium, France, Luxembourg, Spain in 2010<br />UK trials this spring<br />3 UK<br />Demo, teased media in 2010<br />Deutsche Telekom (DT)<br />Has trialed HD on LTE<br />Ericsson says implementation can be done over existing circuit-switched network<br />VoLGA and 4G expected to be drivers for OTT<br />
  16. 16. Cable/MSO<br />CableLabs blessed DECT CAT-iq standard in 2009<br />Wireless end-to-end G.722 call<br />CPE with embedded CAT-iq starting to come out of pipeline<br />Cablevision<br />Optimum Lightpath launched hosted service in June 2009<br />Time-Warner Cable<br />Has tested HD voice, coy on deployment plans<br />Expects CPE to be capable “within 5 years…”<br />Cox<br />“2011” is latest word.<br />
  17. 17. Business VoIP providers<br />Many independent hosted providers<br />Differentiator against bigger players <br />8x8 biggest in North America<br />Aastra Hi-Q upgrade<br />70,000+ end-points (Jan 2010)<br />GSA deal with Level 3<br />Numerous players with 2,500 to 7,500 end-points.<br />
  18. 18. Consumer bypass play<br />Ooma<br />Hardware/service bundle<br />Second-generation Telo hardware does G.722, CAT-IQ<br />4Q 2009 shipped 25,000 units<br />Do the math, could conservatively ship around 100K+ units in 2010<br />
  19. 19. HD Voice by region<br />Europe<br />FT leading, others joining. <br />Asia<br />Australia: Telstra offering hosted service<br />Korea, Japan offering services<br />North America<br />“Under the radar” with earlier adopters in enterprise, consumer, cable, and hosted VoIP.<br />
  20. 20. Why use HD? Today’s apps<br />Service provider<br />Conferencing<br />Multi-national<br />As a part of a UC play<br />
  21. 21. Service provider<br />Differentiation<br />Separate product from rest of pack<br />Attraction<br />Better quality voice than narrowband, other carriers<br />Retention<br />Better quality product keeps people from switching (i.e. keep churn down)<br />France Telecom not charging extra for bband HD<br />Profitability<br />Pay more for HD voice over vanilla service<br />Post-pay vs pre-pay?<br />
  22. 22. Conferencing – HD voice’s killer app<br />Clearer communication<br />Don’t have to repeat acronyms<br />Less stressful<br />People focus on content, not figuring out what is being said<br />Can identify individual voices easier<br />
  23. 23. Multi-national/multi-lingual<br />BIG winner for Fortune 500/international businesses<br />Non-native speakers can understand what is being said better/easier<br />Clearer speech, no clipping of similar sounds, don’t have to guess/interpret <br />Can understand non-native speakers better<br />Accents much less of a factor because there’s no clipping. <br />
  24. 24. Unified Communications<br />Rolled in as “yet another feature” in a UC play<br />Better voice quality provides<br />Clearer voice mail messaging<br />More effective transcriptions<br />Voice to email<br />Less human work/intervention in voice-based work products (Health care, legal, financial)<br />Cablevision/Optimum Lightpath’s play in NY<br />
  25. 25. Higher Education<br />Desire to work with “leading edge” <br />Large campus deployments<br />Deployments of 5,000 (and more) end-points <br />Penn State<br />Texas Tech<br />
  26. 26. Mobile HD voice progression<br />France Telecom taking lead role in Europe<br />Has upgraded data networks<br />Bringing handset manufacturers in<br />Expects full portfolio to be AMR-WB capable by end of 2011<br />Expect competitors to match in Europe<br />Mobile HD voice likely to happen faster<br />Typical handset lifecycle of 3 years<br />Asian markets faster!<br />Can “churn out” old gear with incentives<br />Arms race (more features) and Moore’s Law (faster/cheaper silicon) aid process<br />
  27. 27. High Definition (HD) Voice<br />What’s Next for HD Voice?<br />
  28. 28. Timing / Predictions<br />Islands of HD Voice Coverage will continue<br />But Interconnect efforts starting (Xconnect, IP Peering Alliance)<br />Mobile Carriers are beginning to offer HD Voice to improve quality of experience and reduce churn<br />Mobile HD requires new HD capable handsets <br />Takes time to roll over Handset Critical Mass<br />Cross Carrier HD Voice will take more time<br />Interop Testing and Inter-carrier Agreements <br />Over the top HD Voice Applications may provide Alternate Solution and potential competition to Mobile Carriers<br />Enterprises will continue to enable more HD Voice Solutions<br />Voice based Business Applications will become HD Voice capable (e.g., IVR, IVVR, Call Center, Voice Mail, etc.) <br />Internetworking between Islands of HD Voice Coverage will Join Wireless and Enterprises for Rich Services Enhancements<br />This will become important in 18-36 months as HD Voice continues to be deployed<br />
  29. 29. Summary<br />Early Adoption of HD Voice Underway<br />HD Voice offers Wider Voice Spectrum for Greater Clarity<br />Key Deliverable is a Better Customer Experience<br />Different Codec Standards depending upon the Network <br />Likely to have Common HD Codec use within Networks and Transcoding across Networks<br />
  30. 30. For More Information<br />Dialogic® HD Voice Technology Web Page (<br />Listen to Standard & HD Voice Samples<br />HD Voice News –<br />Breaking news on HD voice<br />Industry Forum:<br />A forum developed to pursue interoperability of high definition (HD) communication products and services and to develop a common nomenclature and cross-promote the benefits of converting telecom products and services to HD.<br />Register now for the Next Dialogic HD Voice Webinar<br /> April 14, 2010 – Part 2: Interconnecting HD Voice & Video: Options Galore<br />Thank You for Your Time!<br />- Doug Mohney, HDVoice News, Editor-in-Chief -<br />- Rich Poole, Dialogic, Director Business Development Director -<br />
  31. 31. Dialogic, Dialogic Pro, Brooktrout, Diva, Diva ISDN, Making Innovation Thrive, Video is the New Voice, Diastar, Cantata, TruFax, SwitchKit, SnowShore, Eicon, Eicon Networks, NMS Communications, NMS (stylized), Eiconcard, SIPcontrol, TrustedVideo, Exnet, EXS, Connecting to Growth, Fusion, Vision, PacketMedia, NaturalAccess, NaturalCallControl, NaturalConference, NaturalFax and Shiva, among others as well as related logos, are either registered trademarks or trademarks of Dialogic Corporation or its subsidiaries (“Dialogic”). The names of actual companies and products mentioned herein are the trademarks of their respective owners. Dialogic encourages all users of its products to procure all necessary intellectual property licenses required to implement their concepts or applications, which licenses may vary from country to country. Dialogic may make changes to specifications, product descriptions, and plans at any time, without notice.<br />USE CASE(S)Any use case(s) shown and/or described herein represent one or more examples of the various ways, scenarios or environments in which Dialogic products can be used.  Such use case(s) are non-limiting and do not represent recommendations of Dialogic as to whether or how to use Dialogic products.<br />03/10<br /><br />