HD Voice: Why It Matters

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HD Voice Why It Matters
Jeffrey Rodman Co-Founder, CTO Voice Division
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The phone
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What is HD Voice?
HD VOICE is
At least double traditional telephones fidelity

• Wideband Audio
• Wideband Voice
• HD Voice

p.s. that means 7 kHz or above
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Is HD Voice like HD Video?
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Is HD Voice like HD Video?
No. HD Voice is even more important.
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Narrowband TV
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The phone
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The phone
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The Traditional Telephone
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The Traditional Telephone
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Why HD Voice?
Traditional Telephone
300 - 3300 Hz
300
14000 Hz
100
3500
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Why HD Voice?
Traditional Telephone
300 - 3300 Hz
80 - 14,000 Hz Human Speech
300
14000 Hz
100
3500
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Why HD Voice?
Traditional Telephone
Presence
300 - 3300 Hz
80 - 14,000 Hz Human Speech
300
14000 Hz
100
3500
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Why HD Voice?
Traditional Telephone
Consonants
Presence
300 - 3300 Hz
80 - 14,000 Hz Human Speech
300
14000 Hz
100
3500
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The Misunderstood Diplomat
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Did he say hed be a force for peace or a
source for cheese?
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The Misunderstood Diplomat
7000Hz
3300Hz
300Hz
FOR- CE FOR P EA - CE S
-OUR CEFOR CH EE - SE
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The Misunderstood Diplomat
7000Hz
3300Hz
300Hz
FOR- CE FOR P EA - CE S
-OUR CEFOR CH EE - SE
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The Misunderstood Diplomat
7000Hz
3300Hz
300Hz
FOR- CE FOR P EA - CE S
-OUR CEFOR CH EE - SE
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The Misunderstood Diplomat
7000Hz
3300Hz
300Hz
FOR- CE FOR P EA - CE S
-OUR CEFOR CH EE - SE
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When HDVoice is Critical

• Business
• 15 million or 50 million?

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When HDVoice is Critical

• Business
• 15 million or 50 million?
• Emergency services
• 2016 H Street? 2060 Eighth Street?
• Apartment 3G? 3D? 3E? 3B?

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When HDVoice is Critical

• Business
• 15 million or 50 million?
• Emergency services
• 2016 H Street? 2060 Eighth Street?
• Apartment 3G? 3D? 3E? 3B?
• Our lives
• The kids and grandkids
• The folks
• And just kickin it with friends

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DEFENSE AGAINST NERDSPEAK 101

• Digital audio is sampled
• Audio frequency is at most half the Sampling rate
• 16,000 Hz sampling rate
• Yields only 8,000 Hz audio frequency
• Always know
• Is it the sample rate?
• Or is it the audio frequency?

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The Benefits of HD Voice

• Better comprehension
• Identify whos talking
• Higher productivity
• Lower fatigue
• Overcome accents
• Speakerphone solution!

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Why HD Voice NOW?

• With VoIP the network is suddenly transparent
• More and more meetings are remote
• Globalization
• Different native languages
• Regional accents
• Mixed environments
• Accuracy is more critical than ever
• Speakerphone echo, noise, and quiet talkers

VoIP Voice over Internet Protocol
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Why HD Voice NOW?Because Users Expect It!

• Its everywhere else
• Radio AM, FM, Satellite
• Softphones Skype, Google, Yahoo, QQCom, IBM,
  Microsoft...
• iPod/MP3 players
• TV
• Videoconferencing

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2009 In A Nutshell

• Our Lives Are Wideband!

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2009 In A Nutshell

• Our Lives Are Wideband!

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State of Industry Adoption

• VoIP dominates business telephony today
• Multiple standardized choices
• Numerous vendors
• VoIP networks carry wideband as easily as
  narrowband
• Business telephony rapidly expanding
• HD Voice is becoming mainstream

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Thank You!
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Thank You!
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The Misunderstood Financier

• "But Im sure I told him to pass the books to the
  auditors, not to pad them!

7000Hz
PAD
PASS
3300Hz
300Hz
P A D THE BOO K S----
P A SS THE BOO K S----
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The Misunderstood Financier
"But Im sure I told him to pass the books to the
auditors, not to pad them!
7000Hz
PAD
PASS
3300Hz
300Hz
P A D THE BOO K S----
P A SS THE BOO K S----