Slides in support of brief HDVoice presentation given at The CloudComm Summit at IT Expo West 2011 in Austin TX.

1. Three Things You Likely Don't
Know About HDVoice
Past, Present & Future

2. What Is HDVoice?
Telephony delivering audio
performance beyond the
legacy PSTN

3. Early Evolution Of The Telephone
1876 1937

4. Evolution Of Telephony 1937+
1937 2000

5. HDVoice In Context
HDVoice = 100 – >7,000 Hz
PSTN = 300 – 3,400 Hz
HUMAN VOICE = 80 – 14,000 Hz
HUMAN HEARING = 20 – 20,000 Hz
20 Hz 100 Hz 1 KHz 10 KHz 20 KHz

6. HDVoice: A Visual Analogy
40% of original pixel count

7. HDVoice: A Visual Analogy
80% of original pixel count

8. Hearing For Yourself
Super-Wideband
G.722.1C
Wideband
G.722
Narrowband
G.711

9. HDVoice Reduces Workload
• Reduced cognitive
burden
• 90% fewer ambiguities
• Increases overall
comprehension
• Reduces listener
fatigue

10. HDVoice: What’s Required?
• Agreement upon a set of HD audio codecs
• HDVoice capable equipment
– CPE & end-points
– Core equipment & services
• Assured IP transit for HDVoice traffic
– IP-based peering of traffic

11. Audio Codecs: Then & Now
Narrowband Wideband
• G.711 = 64 kbps • G.722 = 64 kbps
• G.729 = 8 kbps • G.722.2 = 12-24 kbps
(AMR-WB)
• AMR = 5-12 kbps

12. Products & Services

13. End-User Connectivity
• IP-based transit is key to
staying in HDVoice
• Easily supported
HDVoice for hosted
solutions
• SMB with IP-PBX can
enjoy HDVoice via SIP
trunks

14. Carrier Peering Via IP
• IP-based peering is key
to staying in HDVoice
• Major CableCo’s rumored
to already be peering via
IP for cost savings
• Voxbone
•Incl. peering to Skype
• XConnect HD peering
•transcodes G.722 -
G.722.2

15. HDVoice Is Already Here!

16. HDVoice Opens New Doors!
• Manhattan School Of
Music leverages
HDVoice to offer
distance learning &
real-time collaboration
between far-off
locations.

17. Oh, The Things You’ll Do!
Business traveler
• HDVoice calls to
home are longer &
less tiring

18. Oh, The Things You’ll Do!
Radio stations
• Can hold phone-in
shows without
sacrificing audio
quality
• It won’t help talk
radio, which will
remain a wasteland

19. Oh, The Things You’ll Do!
Restaurants
• Order for delivery
without phonetically
spelling out your
address

20. Oh, The Things You’ll Do!
At The Drive Through
• Hear & be heard
clearly at a drive
through

21. HDVoice Online Resources
• http://www.HDVoiceNews.com
• http://www.polycom.com/company/about_us/technology/ultimatehd/hdvoice.html
• http://www.audiocodes.com/solutions/hdvoip
• http://www.ti.com/corp/docs/landing/visionforvoice/multimedia.html
• http://www.qualcomm.com/media/blog/2012/05/17/hd-voice-hear-me-loud-and-clear
• http://www.spiritdsp.com/promo/hd-sound/
• http://www.dspg.com/english/Article.aspx?Item=764
• http://blog.cat-iq.org/category/hd-voice-2/
• http://www.mgraves.org