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HD Voice and Asterisk: Hearing the sirens song

HD Voice and Asterisk: Hearing the sirens song. October 14, 2009. The Sirens Song. Painting by John William Waterhouse: The Sirens, 1900 . Paintings by John William Waterhouse: Ulysses and The Sirens,1891 . POTS phones carry 1/4 of human speech

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HD Voice and Asterisk: Hearing the sirens song

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  1. HD Voice and Asterisk: Hearing the sirens song October 14, 2009

  2. The Sirens Song Painting by John William Waterhouse: The Sirens, 1900 Paintings by John William Waterhouse: Ulysses and The Sirens,1891

  3. POTS phones carry 1/4 of human speech Higher frequencies are critical for identifying the talker Consonants carry half of speech information Consonants occur largely above POTS range What Is HD Voice? 7KHz Wideband Telephones 280 – 7000 Hz Narrow Band Telephones 300 – 3300 Hz Consonants Presence Human Speech 80 – 14,000 Hz 300 3500 80 14000 Hz 22000 Hz Range of Human Hearing

  4. Initial Industry Barriers to HD Voice Adoption • Few interoperable endpoints • Limited call control platform support • HD Voice offerings? • No carrier peering support • Codec confusion • Minimal awareness

  5. Today’s HD Voice Endpoints

  6. Today’s HD Voice Call Control Platforms

  7. Today’s HD Voice Offerings • Tier 1 service providers (wired and wireless) • Tier 1 CPE providers • Hundreds of Tier 2/Tier 3 vendors around the world

  8. Today’s Carrier Peering • HD Connect Now • Jeff Pulver • 14 member companies • Interoperability, global awareness, cohesive ecosystem • www.hdconnectnow.org • Service provider peering organizations forming

  9. Today’s Codecs SILK Siren22 20/22 kHz G.719 G.722.1C 14 kHz Audio Fidelity Today’s HD Codec of choice G.722.1 G.722 7 kHz G.722.2/ AMR-WB G.729 G.711 3 kHz AMR-NB 6 kbps 64 kbps Data Bit Rate

  10. Today’s Media Attention Social Media Seminars Blogs Community Sites “First time in history, a person’s voice really matters” JeffPulver’s Blog “The human voice itself is hi-fi but the old phone network always clipped off about two-thirds of your voice” Jeffery Rodman’s blog

  11. Conclusion • Many of the barriers of HD Voice are falling quickly • If you are not introducing your customers to HD Voice… your competition is

  12. Thank you!

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