ICSI Speech Intelligibilty Keith McMillen President / CEO [email protected] Phone: 510-280-5013.
Transcript of ICSI Speech Intelligibilty Keith McMillen President / CEO [email protected] Phone: 510-280-5013.
ICSI Speech Intelligibilty
Keith McMillenPresident / [email protected]: 510-280-5013
OCTIV CONFIDENTIAL
Company Background
2000 • Operations and first products launched• VCs include 3i, Novus and Intel Capital
Today• Focused on telephony products• Positioning ourselves for consumer product integration• Continue to support solutions for Internet, pro audio and
broadcast Future
• Expand telephony product line• IP licensing as standard feature on consumer electronics
OCTIV CONFIDENTIAL
OctiMax StreamPro AVOctivating video streams
OctifierProCreate quality
differentiation for free and subscriber services
OctifierProOctivation of over
1,400,000 songs for on-line broadcast
Product NameApplication DescriptionMedia Customers
Surround Sound Processor - HDTV OctiRama
Professional Audio & Broadcast Customers
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Octiv delivers professional strength audio products to the consumer mass markets
Consumer penetration grows as cost of technology decreases
$10,000
$1,000
$100
$1
Technology Advancements
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iTunes Plugin
Mac iTunes plug-in launched Jan. 5, 2004 PC iTunes plug-in version now in alpha Other versions available for launch over next
3 months:• MusicMatch• Windows Media• Real
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Multi-band Processing Overview
• HPF – High Pass Filter - filters out signals below 5hz to balance the signal
•Xover – Crossover - filter with 2 outputs that splits broadband signals into multiples
•AGC – Automatic Gain Control - system that responds to changes in dynamic levels
•Control – keeps the bass from being amplified more than master signal from the AGC
•Mixer – combines multiple signals into one
•Band Drives 1-5 – 5 band input gain controls
•Neg Att Time Dyn Proc – Negative Attack Time Dynamics Processor - controls excessive peaks in the system
•Output Mix Drive – 5 band output gain control
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Conference Audio Corrections
Octivated
Original
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Dynamics Processing Overview
Better Peak to Average Ratio Rail to Rail Amplitude Dynamic Noise Gating
Spectral Optimization Dynamic Peak Limiting Rich Voice Quality
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Input F2A
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Input F2A
Output F2A
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Output F2A
Input Peak
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Input Peak
Output Peak
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Output Peak
Original Full Scale Excursion Octivated Full Scale Excursion
Original Peak-to-Average Ratio Octivated Peak-to-Average Ratio
OCTIV CONFIDENTIAL
4.38
4.00
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
3.25
3.50
3.75
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4.25
4.50
4.75
5.00
OctiVox Quality Toll Quality
MO
S
Mean Opinion Score (MOS) Better Than Toll Quality!
To
ll Q
ual
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Oct
iVo
x Q
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MOS Scores From Dynastat, Inc.
Very Satisfied
Some UsersDissatisfied
Many Users Dissatisfied
Nearly All UsersDissatisfied
NotRecommended
Satisfied
4.0
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Hear the Difference!
AOL Voice Chat Echo
Latency
NormalizationLatency
Normalization
Windows Net Meeting
No Echo OctiVox Toolkit
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PC Latency Comparison
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Clear Call Phone Accessory
What is it?• Hear what you’ve been missing• Accessory that plugs into your phone
to make conference calls more intelligible
What does it do?• Adjusts the audio not the working environment• Provides professional strength volume matching for all
incoming calls
How does it affect my phone?• Compatible with most conference phones and
speakerphones
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OctiVox W2W Application
Full adjustable feature setCustomizable & PresetableMetering for VisibilityBatch Processing