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Published byChristian Weaver Modified over 9 years ago
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Mobile HD Voice January 6 th, 2010 Mahesh Makhijani
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2 Unprecedented Mobile Voice Quality On Current 3G Networks & Beyond Leverages technologies commercially available today No 4G/LTE Needed Advanced Noise Cancellation Qualcomm’s advanced noise cancellation technology Wideband Vocoder Superior voice quality compared to today’s narrow band vocoders 4GV TM -WB (EVRC-WB) + Fluence TM
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3 4GV TM -WB Offers Higher Quality Voice without Capacity Impact Capacity Quality 4GV TM -WB (EVRC-WB) 4GV TM -B (EVRC-B) Higher Quality at same capacity as today’s EVRC Higher voice quality with no impact on capacity Enhances both VoIP and Circuit Switched (CS) voice quality Supported in select Qualcomm MSM chipsets EVRC
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4 Fluence TM – Qualcomm’s Advanced Noise Cancelling Technology Primary Microphone Secondary Microphone Speaker Incremental software only upgrade Superior noise reduction without impacting speech quality Accurately identifies noise by employing secondary microphone Commercially available in select phones
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5 HD VoIP is the Natural Choice when Migrating to All-IP 3G Network WB VoIP WB – Wideband NB – Narrowband IMS for VoIP PSTN Fixed Migration to IP WB VoIP Terminal Fixed Phone Higher voice quality with no impact on capacity End-to-end VoIP enables HD voice NB IP
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6 Mobile to Mobile HD CS Voice is Possible WB CS voice WB – Wideband NB – Narrowband PSTN Fixed Phone NB WB CS voice WB 3G Network NB CS voice 3G Network TrFO Function 3G Network TrFO - Transcoder Free Operation PCM - CS based transport network PCM/PSTN Higher voice quality with no impact on capacity End-to-end HD CS voice has to bypass PSTN and PCM
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7 HD Voice Demo Configuration At CES-2010 HD VoIP Phone (VoIP+4GV TM -WB+ Fluence TM ) Fixed IP HD VoIP Phone (with WB codec G.722) Qualcomm CES Conference Room CES Booth OTA Network QRC San Diego 4GV TM -WB G.722 Transcoder EV-DO Rev. A/B PDSN Internet Asterisk/ MGW Internet
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8 Leverages technologies available today - 4GV TM - Wideband vocoder and Fluence TM noise cancellation HD Voice Ability to differentiate voice service to high-value customers Unprecedented mobile voice quality
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9 Speech Codecs Landscape Fragmented and mostly driven by fixed network service providers Wireless Wireline 64kbps 4kbps 8kbps16kbps32kbps G.711 G.726 G.728 G.729 G.722.1 G.729.1 G.728 AMR HR EFR AMR-WB QC8 QC13 EVRC EVRC-B EVRC-WB BV16 BV32 RT-Audio SILK RNA-10 G.723 ITU-T 3GPP 3GPP2 Proprietary ISAC-WB iLBC G.722 SVOPC WMA-WB IP-MR Speex
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