ClearOne Due Diligence findings and other matters07/20/2005

Converge Pro Presentation

ConfidentialFor Rep Use (internal only)

RAV 600/900

ClearOne Solutions Portfolio

Price

Perform

ance

PremiumConferencing

Delivering superior audio performancein every conferencing space

ProfessionalConferencing

Converge Pro

Converge 560/590

PersonalConferencing

Chat 50

TabletopConferencing

MAX IP, Wired& Wireless

Chat 1501-15 Participants

DesktopExecutive Offices

SOHORoad warrior

1-30 ParticipantsExecutive OfficesConference Room

8-30 Participants Conference RoomsMultimedia Rooms

Video ConferencingSmall Classrooms

Boardrooms

20-200 ParticipantsBoardrooms

Training Rooms Courtrooms

Multimedia RoomsDistance Learning

AuditoriumsHouse of Worship

Introducing Converge Pro Series

- Any Conference

- Any Room

- Any Media

PRELIMINARY

Professional Conferencing product line – Converge Pro Series

Benefits

+ Superior Audio> ClearOne next generation algorithms> Field proven technology

+ Configuration flexibility> More models > Improved SR feature sets

+ Improved ease of use> Simplified programming> Reduced installation times

+ World Class customer service> Tech support> Field engineering

Large-scale audio applications

Models+ Converge Pro 880+ Converge Pro 840T+ Converge ProTH20+ Converge Pro 8I

Converge Pro Key Features- Connections & Communications

+ USB (Type B) Front Panel Control+ Dual Port Ethernet Connection

> PC Port> Network Port

+ Dual Port RJ-45 Expansion Bus Connection> Time Division Multiplexed Mix/Minus audio and control slots> Improved speed > Expanded distance to 125 feet between units

+ RS-232 Port> Up to 155 Kbaud> Cannot connect with console

+ GPIO Ports> Dual Port DB-25

+ Mini-Phoenix Audio channels connectors> Color coded based on channel type> Differential inputs/outputs

Converge Pro Key Features- Signal Processing

+ Acoustical Echo Cancellation Feature Additions> Smoothing Filters to reduce artifacts> Improved Adaption and Suppression

routines

+ Automated Push-to-Talk microphone mode feature

> AEC Freezing > Microphone Threshold

+ Pre AEC Channels> Bypasses AEC processing (4msec maximum

delay)

+ Mixer feature additions> Gain/Gating control tracking> Cross Point Gain for channel volume control> 4- Fader channels

+ Microphone Pre-Amp Gain > 7dB Sets for improved microphone gain

matching

+ Automatic Gain algorithms> Automatic Level Control> Automatic Gain Control

Converge Pro Key Features- Signal Processing

+ Telco feature additions> Caller ID

- Type I & Type II ( US/EU)

> Noise Cancellation on receive channel> ClearEffect algorithm> Receive Automatic Level Control (ALC)> G-Link (TH20)

+ Call Management/Processing additions> Ringer selection> Robust dial tone detection scheme> Improved ringer detection> International impedance matching> Off-Hook DTMF Generation

Converge Pro Key Features- Console Programming

+ Enhanced Views> Unit View

- Route Indications/Table- Drag & Drop A/V Devices- High level audio controls

> Channel View- Access to all signal processing- Set cross point- Channel object drag & drop

+ Database Builder> Create custom A/V devices or use C1> Create custom channel objects

+ Improved preset presentation> Automatically sets input row> Simplified check box on all frames

Converge Pro Key Features- System Diagnostics

+ Improved Signal Generator> White/Pink Noise Generator> Sweep Generator> Timed terminations

+ System Checks> Telco verification> Microphone checks > Output Checks> Clip/Presence Indications

+ Improved Metering> Peak & Hold Indications> Faster streaming

Converge Pro Key Features- Management

+ Timed Events+ Embedded Web Server

> Remote maintenance from web pages> Audio control/monitoring of channels> Site wide dial & control page> Site firmware updates> Access from standard web browser

+ Control API Improvements> GPIO Status Command> Delay Command> System Checks

+ Event/Device Logging

Converge Pro Key Features- Other

+ Convert/Compare Utility> Converts XAP site files to Converge files> Compare Converge files for parameter differences

+ Firmware Updates (XAP Net is built into the unit)> Point to Point mode> Point to Multipoint mode (Expansion Bus)> Update from Web or Console Application

+ Security> Three access levels> Administrator, Maintenance, End User> Password verification

+ Front Panel Control> Channel Gain/Mute control> Configuration Settings> Preset & Macro execution

Converge Pro Mixer Line- Channel Table

Product Mic/LineInputs

LineInputs

Processing

Channels

FaderChannel

s

OutputsChanne

l

TelcoChannel

s

G-Link

Converge Pro880

8 4 8 4 12 0 Yes

Converge Pro8I

8 4 8 4 0 0 Yes

Converge Pro840T

4 4 4 4 9 1 Yes

Converge ProTH20

0 2 0 0 2 1 Yes

ClearOne Audio Experience

ClearOne uses advanced audio technologies to enhance user experience

• Gentner® Distributed Echo Cancellation for natural sounding conversations

• Noise cancellation technology to filter ambient noise and produce cleaner transmitted audio

• Advanced microphone gating for greater mic control

• EQ’s and filters and enhanced sound