NC Noise Cancellation Tab, 109 | ClearOne comm PRO TH20, PRO 8I

of the Mute, ClearEffect, and ALC buttons, which toggle their respective functions and have no user-configurable settings, clicking a channel configuration button displays the Channel Property Configuration window as shown below.

The window contains three tabs: NC (Noise Cancellation), Telco Settings, and Telco Meters, which are described in the following sections.

NC (Noise Cancellation) Tab

Select the Enable Noise Canceller checkbox to enable NC for the channel. Adjust the Cancellation Depth slider to the dB setting which provides the best combination of low noise and maximum speech clarity. The attenuation depth can be set in 1dB increments from 6dB to 15dB. The default is 6dB. The default for NC is off.

You can use noise cancellation on all types of input channels. See NC (Noise Cancellation) for more information.

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ClearOne comm PRO TH20, PRO 8I, SR 1212 operation manual NC Noise Cancellation Tab, 109

Contents

Converge PRO 880880T880TA840T8iTH20 Converge SR 1212SR 1212A Clearone Part no -151-880 Revision 3.2 April Adobe Flash Copyright and Trademark Notice Introduction 218 310 Converge Pro Product Family Overview Applications Models Common FeaturesFeature Enhancements Common Benefits AEC Acoustical Echo Cancellation Enhancements Telephone Hybrid Enhancements 880T, 880TA, 840T, TH20 Important safety information Read all safety information before using this product Advanced Telephone Conferencing Feature Set Converge Pro 880TA Converge Pro Product Descriptions Converge Pro Converge Pro 880T Converge Pro 840T Converge Pro Converge Pro TH20 Converge Pro SR 1212A Converge Pro SR1212 Customer Service and Support Warranty InformationProduct Registration Operating Requirements System Requirements Converge Pro 880 Package Contents Unpacking Converge Pro 880T Package Contents Converge Pro 880TA Packing Contents Converge Pro 840T Package Contents Converge Pro 8i Package Contents Converge Pro TH20 Package Contents Converge Pro SR1212 Package Contents Converge SR 1212A Packing Contents Converge Pro 880 Front Panel Controls and ConnectionsConverge Pro Front Panels Converge Pro 840T Front Panel Converge Pro SR1212 Front Panel Converge Pro 8i Front PanelConverge Pro TH20 Front Panel Converge Pro SR1212A Front PanelPage Converge Pro 880T Rear Panel Converge Pro 880TA Rear Panel Converge Pro Rear PanelsConverge Pro 880 Rear Panel Converge Pro 840T Rear Panel Converge Pro SR1212 Rear Panel Converge Pro Rear Panel ConnectorsConverge Pro TH20 Rear Panel Converge Pro SR1212A Rear PanelPage Page Expansion Bus Expansion Bus ConnectionsAudio and Control Buses Device IDs Device Types and IDsAssigning Device IDs LCD Programming Overview Adjusting LCD Menu Parameters LCD Menu TreePage LCD Default Display Front Panel Lock LCD Channels Menu Accessing the Channels MenuSetting Channel Gain and Mute Channel Display Default Contrast LCD Settings MenuAccessing the Settings Menu RS-232 Network Baud Rate Flow Control Hardware Accessing the Macros Menu LCD Macros MenuExecuting Macros LCD Preset Menu Accessing the Presets MenuExecuting Presets Installing Converge Console Converge Console programmingPage Page Converge Console Overview Accessing Converge ConsoleDefault User ID and Password Navigating Converge Console File View Add Connect Modes Services Menu BarButton Bar Tab Bar Site Pane Center Pane Objects Pane Status BarConsole Modes Accessing Site Files Site File OverviewPage Saving Site Files Connect to a Site Connect To a SiteDisconnect from a Site Accessing Site Properties Site Properties Create a New Site Site Properties General Tab Site Properties Management Tab Control Master UnitEmail Notifications User name/Passwords Site Properties Time/Local TabPage Accessing Unit Properties Unit Properties Add a New Unit Unit Properties General TabDevice Name Device ID Audio Master Room Default Meter & ChannelFront Panel Mode & PIN Front Panel Lock/Unlock Telephone Country Code AMX Duet Mode IP SettingsSerial Port Settings Unit Properties Comm Communications TabPage Configuration Mode Overview Accessing Configuration ModeConfiguration Mode Tabs Accessing the Unit Tab Unit TabUnit Tab Functionality Input Channel Settings Output Channel SettingsLED Buttons Processing Channel Settings Fader Channel Settings Power Amp Channels Converge Pro 880TA and SR 1212A Expansion Audio RX and TX Sound Mask Launches the Sound Mask pane Page »» Feedback Eliminator Settings »» Feedback Controls »» Filter Depth Mode »» Mode »» FilterPage Page Accessing Channel Tab Channel Configuration ControlsChannel Tab Overview Channel Property Configuration Screen MetersChannel Routing Matrix Page Page AEC Acoustic Echo Cancellation Accessing AEC NLP Non-Linear Processing Radio Buttons Enable AEC CheckboxPA Adapt and AEC Reference Button ERL Echo Return Loss Meter PTT Push to Talk Mode ERL + Erle Meter NC Noise Cancellation Accessing NC Configuring Noise Cancellation Accessing Filters FiltersAll Pass High Pass Low Pass Notch PEQ Parametric Equalizer Active Filter Filter Types Filter NodesAdding Filters Frequency Available for all filter types Phase Bypass All Add Filter Remove FilterTable View Accessing AGC/ALC AGC/ALC Automatic Gain Control/Automatic Level Control Tab Active Gain Meter Maximum Gain SliderTarget Level Slider Response Time Slider Accessing Channel Gating Configurations Mic Gating Gate Settings Manual Gating Gating Settings Auto GatingAuto Gating Settings Auto Gating Ambient Tracking Gating Groups Manual Gating SettingsManual Gating Manual On/Manual Off Post Gate MeterPage Ppwr Phantom Power Mic Input SettingsAccessing Mic Input Settings Channel Label Post Gain Meter Pre Gain MeterGain Section Post Process Meter Channel Configuration Buttons Channel Routing Matrix Inputs Expanded Channel Routing Matrix100 Creating Channel Objects 101 Optimizing Input Gain Structure 102 Line Input Settings Accessing Line Input Settings103 AGC Automatic Gain Control Button Gain SliderMute Button 104 AGC Configuration Settings Channel Routing Matrix Line Inputs105 Channel Routing Matrix Outputs, Processing, Faders 106 107 Telco RX Settings Accessing Telco Rx Settings108 NC Noise Cancellation Tab 109 Telco Settings Tab 110Ringer Cadence Telco Meters Tab Dialer Button111 Recv Input Meter Dial Tone Level SliderRecv Boost Slider 112 ALC Button NC ButtonClear Effect Button NOM Button Min/Max Limits Post-Gain Meter114 115 116 NOM Number of Open Mics/Constant Level Output SettingsAccessing Output Settings 117 Output Level Meter Channel Routing Matrix Outputs118 Channel Routing Matrix Inputs, Processing, Faders 119 120 Optimizing Output Gain Structure 121 Telco TX Settings Accessing Telco Tx Settings122 123 Limiter Channel Routing Matrix Telco Tx124 125 126 127 Processing Settings Accessing Processing Settings128 Delay Button Filter Button129 Cmprs Compression Button 130 Threshold GroupPost Compressor Gain Ratio Gain Slider & Process Meter Input MeterCompression Meter 132 133 134 135 Fader Settings Accessing Fader Settings136 Gain Slider & Post Gain Meter Channel Routing Matrix Faders137 138 139 Routing Legend Accessing the MatrixMatrix Tab 140 Input Routing Clear Matrix ButtonAudio Routing Matrix Expansion Bus I-Z Routing Cross Point Shortcut Menu Cross Point Level Control142 Clear Matrix Copy and Paste CellsCopy and Paste Matrix Exporting Matrix Objects AEC/PA Adapt References Sources Accessing AEC Reference/PA Adapt ReferenceAEC Reference/PA Adapt Reference Tab 144 Virtual AEC/PA Adapt References 145 146 Expansion Bus Reference SourcesPA Virtual References Output channels Speakers Virtual references Macro Recorder Accessing MacrosMacro Tab 147 Macro Editor Creating Macros148 Modifying Macros Adding and Inserting Command LinesRunning Macros Using Console Deleting Macros Exporting Macro Objects Running Macros Using the Front PanelRunning Macros Using Control Devices 150 Gating Controllers Accessing Gating GroupsGating Tab 151 Internal Gating Groups Global Gating Groups152 153 Control Tab Accessing the Control TabUser-Definable Pins 154 Control/Status Pin Programming Default Pin AssignmentsControl/Status Ports 155 Clearing Pin Programming Exporting Control Objects156 Creating Command Strings Accessing the String TabCommand String Special Characters String Tab Running Command Strings 158 Scheduling Events Accessing the Event SchedulerEvent Scheduler Tab 159 160 Database Button Bar Accessing the DatabaseDatabase Tab 161 AV Devices Creating a New AV Device162 Channel Objects 163Mic Input Line Input Telco Rx Output Telco Tx Modifying AV Devices and Objects Import/Export AV Devices and ObjectsUpload/Download AV Devices and Objects 164 165 Optimizing Gain Structure Optimizing Gain for Mic Input Channels166 Optimizing Gain for Telco Tx Channels Optimizing Gain for Line Input ChannelsOptimizing Gain for Telco Rx Channels Optimizing Gain for Output Channels 168 Using Drag and Drop Configuration Drag and Drop ConfigurationAccessing Drag and Drop Configuration 169 Creating Objects 170 171 172 Control Objects Preset ObjectsMatrix Objects Macro Objects 174 Preset Mode Accessing Preset Mode175 Preset Configuration Tabs 176 Creating Presets 177 178 Executing Presets Using Control Programming Executing Presets Using ConsoleExecuting Presets Using the LCD Preset Menu 179 Preset Control Masking Executing Presets Using MacrosPreset Execution Flags Preset Storage Space Considerations Exporting Preset Objects 181 182 Accessing the File MenuFile Menu Overview File Menu allows you to use Site Files and Print Reports 183 Report Window Accessing Print ReportsPrint Reports 184 Accessing the View Menu View Menu Overview185 View Menu Options 186 Adding Units Accessing the Add MenuAdd Menu 187 188 189 Connect Menu Overview Accessing the Connect MenuSite Setup Overview Connect To a Site Create a New Site Connect Menu Options Modes Menu Overview Accessing the Modes MenuConfiguration Mode Preset Mode Console Button Bar 191 Service Menu Options Services Menu OverviewAccessing the Services Menu 192 Accessing Dialer Dialer193 Muting Using Line FeaturesPlacing and Ending Calls Renulling the Line Phonebook Accessing PhonebookUsing Phonebook 195 Dialer Button Bar Services Menu Overview 196 Label Editor Accessing Label EditorUsing Label Editor 197 Accessing Device Log Device Log198 Using Device Log 199 200 Accessing Event Log Event Log201 Using Event Log Services Menu Event Scheduler202 Web Builder Accessing Web BuilderConfiguring User Console 203 Line User Volume Down Volume Up Mute 204 Configuring Control Console 205 Accessing the Web Portal 206 207 Loading Firmware Accessing Firmware LoaderFirmware Loader 208 209 Meter View Tab Accessing Debug ConsoleDebug Console 210 Gate View Tab 211 Running a Signal Test Signal GeneratorTest Signal Types 212 Tone Frequency Settings System Checks Tab213 System Check Config Tab PA Temp Define PA Fault Define214 Sound Masking Tab ADD Info 215 Execute Presets Accessing Execute Presets216 217 Conventions Command Form DescriptionType and Device IDs 218 Groups and Channels PA Virtual Reference219 Meter Type Definitions Table 220 221 Cleareffect Clear Effect Wide Band Telco Emulation Serial Command IndexAEC Acoustic Echo Cancellation Enable / Disable 222 223 224 Refsel Reference Select for PA Adaptation & AEC 225 226 Serial Commands 227 Adclip Audio Clipping AD Auto Disconnect Enable / DisableAconnlvl Audible Connect / Disconnect Level 228 Adpresent Audio Presence AGC Automatic Gain Control229 230 Avrt Adaptive Volume Ratio AVG Adaptive Volume GainAVR Adaptive Volume Reference AVT Adaptive Volume Threshold 232 Clock Clock Set Compdly Compressor DelayCompdlyEN Compressor Delay Enable 233 Compsel Compression Select Compress Compressor AdjustCtrlmaster Control Master Mode Country Country Selection 235 Devicesubtype Sets the Subtype of a Connected Device Dfltm Default MeterDiag Diagnostic Commands Devicetype Sets the Type of a Connected Device 237 Enetdhcp Ethernet Dhcp Selection Enetdomain Ethernet Domain Argument238 239 FE Feedback Elimination EnableEref Expansion Bus Reference Groups and Channels 240 FEN Feedback Elimination Nodes 241 Filter Filter Adjust 242 Filtsel Filter Select FMP First Mic Priority ModeGain Gain Adjustment Flow Flow Control Gover Gating Override Gmode Gating ModeGate Gate Status Gpiostatus General Purpose Status Grpsel Gating Group Select Gratio Gate Ratio AdjustGreport Gate Report Hook Hook Flash 246 247 LVL Level Locstate Location StateLogmask Device Log Mask 248 Macro Macro Execution/Reporting Lvlreporten Level Report EnableLvlreport Level Report Manufacturer Manufacturer Identification Label MC Multi-Channel Mode Mcgain Multi-Channel Gain250 Mcramp Multi-Channel Ramp Mcminmax Multi-Channel Min and max Gain SettingMcmute Multi-Channel Min and Max Gain Setting DB / sec MIN Minimum Gain Setting Mmax Maximum Number of Microphones252 Mtrxclear Clear Matrix Model Model Identification LabelMtrx Matrix Routing 253 NCD Noise Cancellation Depth Adjust Mtrxlvl Matrix Attenuation AdjustName Unit Name Netbios Name Mute Mute Null Null the Telephone Line Ncsel Noise Cancellation SelectNLP Non Linear Processing Adjust 255 PAENergy PA Energy-saver mode PAA PA Adaptive ModePacen PA Softclipper Enable 256 257 Paeqrst PA EQ Filter ResetPaeqset PA EQ Filter Set Argument Type Size Paimped PA Output Impedance Paflt PA FaultPalen PA Limiter Enable Palt PA Limiter Threshold Pangm PA Noise Gate Mode Pangat PA Noise Gate Activation TimerPangen PA Noise Gate Enabled Pangf PA Noise Gate Filter 260 Pato PA Thermal Overload Pasmm PA Sound Mask ModePasmt PA Sound Mask Timer Phonebookadd Adds an Entry to the Phonebook 262 Pttthreshold Push to Talk Threshold Ramp Ramp Gain AdjustmentPrgstring Program String Pushtotalk Push to Talk Redial Redial the Last Number Refset Reference Channel Set UpReset Reset Ring Ring Indication 265 Rxboost Receive Boost Ringoff Ring Cadence Off TimeRingon Ring Cadence On Time 266 267 Slvl Speech Level Control Siggensweep Signal Generator SweepSigtout Signal Generator Time Out Smtpsrv Smtp Mail Server Address 269 Syschecks System Checks Sysresult System Check Result270 Tamode Telco Adapt Mode 271 272 273 Xdelaysel Audio Delay Enable 274 Serial Command Support Table 275 276 277 278 279 Control/Status Ports Converge Pro 880 Port a Female DB-25280 Converge Pro 880T Port a Female DB-25 281 Converge Pro 840T Port a Female DB-25 282 Converge Pro 8i Port a Female DB-25 283 Converge Pro TH20 Port a Female DB-25 284 Converge SR 1212 Port a Female DB-25 285 All Models RS-232 Port All Models Port B Female DB-25286 Appendix C Firmware Loading Procedure 287 Converge Pro 288 289 Control/Status Ports Converge Pro 880T 290 291 Converge Pro 880TA 292 293 Converge Pro 840T 294 295 296 297 Converge Pro TH20 298 Converge SR 299 300 Converge SR 1212A 301 302 FCC Part 15/ICES-003 Compliance FCC Part 68 Compliance303 Electrical Safety Advisory 304 Safety 73/23/EEC Low Voltage Directive LVD IEC 60950-1 305Equipment 306 2003/11/EC & 2002/95/EC RoHS Compliance Directive 307 Safety 73/23/EEC Low Voltage Directive LVD 308 NEW Zealand Compliance 309 Glossary 310 311 312 313 314 315