HD Voice, telecom operators

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What do you need for HD voice on mobile phones, landlines or PCs. Learn about the pitfalls and what you need to overcome to really offer HD voice

Text of HD Voice, telecom operators

  • 1. It sallGoneHD! Its all Gone HD! Overcomingthehurdles tosupplyingHDVoiceand to supplying HD Voice and resolvingtheCodecwar July142009
  • 2. Speakers ElliotGold Elliot Gold PresidentTeleSpanPublishingCorp DovidCoplon SeniorDirector,ProductManagement , g
  • 3. WhyHDVoiceisabouttobeit
  • 4. Ivelearnedsomethingafter30+yearsinthe industry i d t Early to market stake in the ground works Earlytomarket,stakeinthegroundworks Ifyourecognizetherighttrends Ifyouteamwiththerightpeople Ifyouhavecommonsenseabouthowpeoplereallymeet,faceto f h b h l ll f face,orvirtually
  • 5. Allowmetotellyouastory Inthelate1970s,AT&TwastestingPMS(notthedisorder,the Picturephone Meeting Service) PicturephoneMeetingService) Theywantedtodeliverthebestvideo,customerscouldafford Sotheyranfocusgroups
  • 6. AT&Ttoldtheaudience Ok,yousawourfirstvideoquality Allowustotakeamoment,andchangethequality,andrun thevideobyyouagaintoseewhatyouthink. AT&Tthenchangedthequality,andranitbytheaudience Overwhelmingly, the audience liked the second video quality Overwhelmingly,theaudiencelikedthesecondvideoquality WhatdidAT&Tchange?
  • 7. TheAudioFidelity! y
  • 8. ThenAT&TintroducedPicturephoneMeeting Then AT&T introduced Picturephone Meeting Service AndendedupwithPMS,becausethey failedtoincreasetheaudiofidelity Thesystemisgonenow
  • 9. Spinthecalendarforward30years LookatHDVideoasa%ofGroupSales k id % f l 100% 90% 80% 70% 60% 50% 40% Legacy g y 30% Technology 20% HDVideo 10% 0% Q407 Q108 Q208 Q308 Q408 Q109
  • 10. But Videoequipmentis Only20.7%ofrevenues Videousageis g Only2.6%ofrevenues Audio usage on the other hand is Audiousageontheotherhandis 51%ofrevenues And over 25 billion minutes of audio conference call use And,over25billionminutesofaudioconferencecalluse
  • 11. DovidCoplon SeniorDirector,ProductManagement
  • 12. It is not the strongest of the species that survives nor the Itisnotthestrongestofthespeciesthatsurvives,northe mostintelligentthatsurvives.Itistheonethatisthemost adaptabletochange CharlesDarwin
  • 13. WhatisHDVoice? Quality CD Audio GIPSWidebandSpeech StdWidebandSpeech (e.g.G.722.2) (e g G 722 2) GIPSNarrowbandSpeech b d h StdNarrowbandSpeech Implementation(PSTN) Frequency 3.4kHz 4kHz 6.47.0kHz 8kHz 22.1kHz
  • 14. StandardTechnologyhasnotProgressedbyLeaps andBoundsovertheyears and Bounds over the years andTraditionalTechnologiesarenot designedtorunoverIPnetworks
  • 15. HDBringsEverythingintoFocus Maximizingthe UserExperience User Experience HDVoiceisEssentialtoOverallExperience especiallywhencombinedwithvideo especially when combined with video
  • 16. HereComesHDVoice
  • 17. May2009IndustryProfessionalPollQuestion WhathasbeenyourexperiencewithHDVoice? 13% 47 % Never Tried it 11% 47% 30% Have tried it once or twice 11% Use it all the time or whenever I can 30% 13% Not sure if I've tried it I ve g g y, Potential of HD Voice Light Reading Webinar- May, 2009 90%oftheaudiencehadverylimitedHDVoiceexperience
  • 18. May2009PollQuestions WheredoyouthinkHDVoicewillmakethebiggest impact? 16% 45% 16 % Call Centers 6% 45% Conference calls 33% Video conferencing 33% 6% International-placed phone calls g g y, Potential of HD Voice Light Reading Webinar- May, 2009 Highestexpectedimpactonconferencecallsandvideo conferencing
  • 19. HowtoGettheMostOutofHDVoice 1. HDcapablemicrophone 2. HighqualityHDVoicecodec 2 High quality HD Voice codec Suitableforusagescenario 3. HDVoiceQualityEnhancement Echocancellation,noisesuppression,gaincontrol 4. EndtoendnetworkHDVoicesupport Preferablynotranscoding Absolutelynonarrowband 5. Networkcleanup Jitterbufferandpacketlossconcealment p 6. HDcapablespeaker
  • 20. SoManyCodecOptions iSAC RTAudio G.729.1 29 iPCMWB G.719 BV32 BV 32 G.722.1(Siren) G 722 1 (Siren) Speex G.722.2(AMRWB) AAC LD AACLD G.722 SILK G.718 SVOPC G.711.1 EVRCWB
  • 21. HDVoiceCodecSelection Notonecodecfitsallscenarios Packet loss robustness important for VoIP PacketlossrobustnessimportantforVoIP VariablebitrateattractiveforIPnetworks Automaticadaptiontoavailablerateattractive p Packetoverheadsignificant(5 32kb/s) Makeslowbitratecodecslessattractive Lowdelayveryimportant Standardversusproprietary Standardsusuallycomeatahighercost ComplexityanimportantissueinMobileVoIP
  • 22. Codecscompared MUSHRA test results for different codecs 100 90 80 70 60 50 40 30 20 10 0