Biamp VC3000 SERIES Operation Manual
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Biamp VC3000 SERIES Operation Manual

Biamp VC3000 SERIES Operation Manual

Echo canceling audio system
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VOICECRAFTER
TM
3000 Series
Echo Canceling Audio System
operation manual
®
                 ! " #$% & '(()))*

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Summary of Contents for Biamp VC3000 SERIES

  • Page 1 VOICECRAFTER 3000 Series Echo Canceling Audio System operation manual ®                  ! " #$% & '(()))* ...

  • Page 2: Table Of Contents

    VOICECRAFTER TABLE OF CONTENTS TABLE OF CONTENTS FRONT PANEL FEATURES ................2 REAR PANEL FEATURES ................3 CONNECTOR PIN-OUTS ................... 4 CONFIGURATION ....................5 USER CONTROL INTERFACE (SOFTWARE) ..........7 INSTALLATION ....................13 CONNECTING EXTERNAL EQUIPMENT ............15 TROUBLESHOOTING ..................20 DTMF DIALING &...

  • Page 3: Front Panel Features

    VOICECRAFTER FRONT PANEL FEATURES 1. FRONT PANEL FEATURES ® BIAMP SYSTEMS VOICECRAFTER 3000 MUTE VOLUME POWER POWER SEND RECEIVE System Status Figure 1-1. Voicecrafter 3000 Series Front Panel MUTE BUTTON - This momentary When both Send and Receive LED’s blink...

  • Page 4: Rear Panel Features

    VOICECRAFTER REAR PANEL FEATURES 2. REAR PANEL FEATURES TO TRAIN THIS UNIT, PRESS AND HOLD THE "MUTE" BUTTON UNTIL TRAINING STARTS. AUDIO OUT CODEC MICROPHONE POWER 2-WIRE PSTN SPEAKER LINE LOCAL/REMOTE CONTROL PHONE LINE Figure 2-1. Voicecrafter 3000 Series Rear Panel POWER - Connects Voicecrafter to AUX - Can be configured for VCR Mode external DC power supplies.

  • Page 5: Connector Pin-Outs

    VOICECRAFTER CONNECTOR PIN-OUTS 3. CONNECTOR PIN-OUTS MIC 1 & MIC 2 (Mic Level) MIC 2 (Line Level) CODEC IN & OUT Pin 1 - Chassis Gnd. Pin 1 - Chassis Gnd. Pin 1 - Chassis Gnd. or Shield or Shield or Shield Pin 2 - Signal Ground Pin 2 - Signal (-)

  • Page 6: Configuration

    VOICECRAFTER CONFIGURATION 4. CONFIGURATION 4.1 INTRODUCTION 4.3 RESULTS OF TRAINING This chapter describes how to configure After a Configuration Train cycle is the Voicecrafter, and also defines terms initiated by means of the User Control which are related to the Voicecrafter. Interface (software), the Voicecrafter will provide resulting information from the Train cycle.
  • Page 7 VOICECRAFTER CONFIGURATION Placement of microphones in relation to 4.3.2 ERLE speakers is essential for proper training ERLE (Echo Return Loss values. If a microphone is too close to a speaker, the Voicecrafter may set Enhancement) is a measurement of the microphone or speaker gains to low, Voicecrafters ability to build an echo which will affect the AERL.

  • Page 8: User Control Interface (Software)

    VOICECRAFTER USER CONTROL INTERFACE 5. USER CONTROL INTERFACE (Software) 5.1 INTRODUCTION This chapter describes the SC-300 User Control Interface software ® Windows which provided configuration of the Voicecrafter. 5.2 INSTALLATION Install SC-300 User Control Interface as described on the software disk label.
  • Page 9 VOICECRAFTER USER CONTROL INTERFACE Input Mode: Selects between Mic level, 5.3.2 ACOUSTIC SCREEN Unbalanced line input, or Balanced line The ACOUSTIC screen (see Figure 5-2) input. Change Input Mode using F2 is designed to be used by a system and F3 (Mic 2 input only).
  • Page 10 VOICECRAFTER USER CONTROL INTERFACE Config Memory 5.3.3 NETWORK SCREEN Store: Brings up the Store menu for storing Voicecrafter parameters. When The NETWORK screen (see Figure 5-3) STORE CONFIG? is displayed, select is used to adjust the Voicecrafter appropriate memory location for settings interface to external devices, such as to be stored (F1~F5).
  • Page 11 VOICECRAFTER USER CONTROL INTERFACE These adjustments to the CODEC Input 2-Wire Port (VC3010 and VC3011 Gain level are used to compensate for only) different audio signal levels from a Hook: Displays current status of 2-wire Video CODEC or 4-wire network. The port (On Line or Off Line).
  • Page 12 VOICECRAFTER USER CONTROL INTERFACE Near Thresh: Displays the current NLP MIC #2 - Mic #2 is looped back to Speaker output. near end noise setting. This setting is used optimize Non-Linear MIC #1 & #2 - Mic #1 & Mic #2 Processor ambient noise...
  • Page 13 VOICECRAFTER USER CONTROL INTERFACE Hold Time: Displays the amount of time 5.3.5 ADVANCED SCREEN it takes for the noise gate to activate, once the room has become silent. The ADVANCED screen (see Figure Decay Time: Displays how quickly the 5-5) is used to make adjustments to the noise gate will suppress noise, once the TNG (Transmit Noise Gate), and to the room has become silent.

  • Page 14: Installation

    INSTALLATION 6. INSTALLATION MICROPHONE: Connect mics to XLR 6.1 TOOLS connectors labels MIC 1 and MIC 2 on the Voicecrafter. BIAMP Systems recommends using the SC-300 (User Control Interface software) when installing and setting up TO TRA I N THIS UNIT, PRESS AND HOL D THE...
  • Page 15 VOICECRAFTER INSTALLATION BRIDGE MODE: Connect Aux Out to 3. Place a sound pressure level meter the input of the device to be ‘bridged’ (SPLM) at the microphone location. into the conference. Connect Aux In to Adjust noise source level until SPLM the output of the device being ‘bridged’...

  • Page 16: Connecting External Equipment

    VOICECRAFTER CONNECTING EXTERNAL EQUIPMENT 7. CONNECTING EXTERNAL EQUIPMENT 7.1 INTRODUCTION 7.2.2 CALIBRATION external mixer needs This chapter describes the procedure calibrated for the nominal level expected for installing and configuring external at the Mic 2 input of the Voicecrafter equipment for use with the Voicecrafter. The Voicecrafter supports the use of an (VC3000 &...
  • Page 17 VOICECRAFTER CONNECTING EXTERNAL EQUIPMENT 7.3 EXTERNAL AMPLIFIER WITHOUT (ACOUSTIC screen). Use F2 LOCAL REINFORCEMENT to display EC_Si. EC_Si is a momentary reading, and is only The Voicecrafter has a line level audio updated by clicking DSP AVE again. output that is capable of driving external power amplifiers.
  • Page 18 VOICECRAFTER CONNECTING EXTERNAL EQUIPMENT 5. Adjust the gain of the external 7.3.2 CALIBRATION amplifier so that a sound pressure level of 72dB is produced at the The external amplifier needs to be sound pressure level meter. calibrated for the output level expected by the Voicecrafter.
  • Page 19 VOICECRAFTER CONNECTING EXTERNAL EQUIPMENT 2. Use a sound pressure level meter to 7.4.1 INSTALLATION measure the noise level at one of the microphone locations. Connect a ‘mix-minus’ output of the mixer (containing only near end signals) 3. Adjust the level of the noise source to the Mic 2 input of the Voicecrafter.
  • Page 20 VOICECRAFTER CONNECTING EXTERNAL EQUIPMENT 7. Activate the Voicecrafter white noise 10. Adjust the level of the external generator by clicking on the Noise amplifier and/or mix-minus button (ACOUSTIC screen). output of the external mixer which is feeding the amplifier, so that 72dB to set white noise to ENA is measured at the sound pressure (enable).

  • Page 21: Troubleshooting

    VOICECRAFTER TROUBLESHOOTING 8. TROUBLESHOOTING INTRODUCTION 8.2.4 POOR PERFORMANCE AFTER INSTALLATION If you encounter problems getting the system to perform as expected, these 1. Train again, listening for improved troubleshooting tips should be helpful. performance. 2. Check wiring to/from Voicecrafter. 3. Ensure that proper settings for the SYMPTONS AND ACTIONS microphones have been selected.
  • Page 22 VOICECRAFTER TROUBLESHOOTING 3. Consider the possibility of adding 3. If the Voicecrafter is set at moderate more far end mics, or placing mics loudspeaker volume levels: closer to conference participants. Option 1: Adjust NLP Near End **Lower mic levels, or use of an Noise preset (DIAGNOSTIC screen).
  • Page 23 VOICECRAFTER TROUBLESHOOTING 8.2.12 LOCAL DISTORTION REASONS FOR ADJUSTMENT 1. Verify that loudspeakers and wiring 8.3.1 MIC GAIN SETTING provide a minimum load of 4 ohms, when using the internal amplifier. Symptoms: 2. Reduce far end noise. If the • High ambient room noise. Receive LED turns amber during •...
  • Page 24 VOICECRAFTER TROUBLESHOOTING 8.3.3 WIRE SEND AND RECEIVE 8.3.4 ACOUSTIC ECHO RETURN LEVELS LOSS TARGET (AERL) Symptom: The Voicecrafter will train based on a • Distortion on the loudspeaker signal target AERL setting. The default setting is 10dB. at high volume far end speech. Adjustment: Symptoms and Adjustments: •...

  • Page 25: Dtmf Dialing & Btv Mode

    VOICECRAFTER DTMF DIALING & BTV MODE 9. DTMF DIALING & BTV MODE 9.1 DTMF DIALING The following tables list the s-Commands and t-Commands that support the Voicecrafter two-wire dialing feature. The Voicecrafter is capable of dialing the full set of DTMF digits (0-9, A-D, *, and #).
  • Page 26 VOICECRAFTER DTMF DIALING & BTV MODE Table 9-2. Dial Mode t-Commands Description Command Values (XX) (yyyy) DTMF Mix 0xEC 0x00 Setting this parameter to zero disables the DTMF Mix feature. 0x01 - Setting this parameter to a non-zero value enables 0xFFFF the DTMF Mix Feature.

  • Page 27: Specifications

    VOICECRAFTER SPECIFICATIONS 10. SPECIFICATIONS                              TO TRAIN THIS UNIT, PRESS AND HOLD THE TO TRAIN THIS UNIT, PRESS AND HOLD THE "MUTE" BUTTON UNTIL TRAINING STARTS. "MUTE"...
  • Page 28 Codec Out MIC 1 PreAmp 16 bit Mic 1 16 bit +30dB 600W Balanced w/ Phantom PWR Codec In 16 bit 250mS MIC 2 PreAmp MIC 2 Sel Split Band Aux Out +30dB 16 bit 16 bit VCR Rec Mic 2 Aux In 600W Balanced 16 bit...

  • Page 29: General Information

    VOICECRAFTER GENERAL INFORMATION 11. GENERAL INFORMATION 11.1 GLOSSARY OF ECHO Codec - A device which produces a coded output from an analog input and vice versa. CANCELING TERMS Convergence – Echo canceller adaption to Acoustic Coupling - Loudspeaker signal changes in the conference environment. which is picked up by the microphone(s).
  • Page 30 VOICECRAFTER GENERAL INFORMATION EQ Setting - Refers to the switch, available 11.2 ACRONYMS, ABBREVIATIONS on many conference microphones, which AND SYMBOLS boosts and/or cuts select frequencies. Amperes Far End - A remote or distant site, located at the opposite end of a conference AERL - Acoustic Echo Return transmission line.
  • Page 31 VOICECRAFTER GENERAL INFORMATION HHT - Hand-Held Terminal RCV - Receive Hertz SND - Send LED - Light Emitting Diode Volts Kilohertz VDC - Volts Direct Current mSec - Milliseconds Watts Non-Linear Processor Ohms Personal Computer RAM - Random Access Memory...

  • Page 32: Warranty

    WARRANTY BIAMP SYSTEMS IS PLEASED TO EXTEND THE FOLLOWING 5-YEAR LIMITED WARRANTY TO THE ORIGINAL PURCHASER OF THE PROFESSIONAL SOUND EQUIPMENT DESCRIBED IN THIS MANUAL. Thank you for purchasing BIAMP SYSTEMS ... your partner in audio excellence. Biamp Systems 10074 S.W. Arctic Drive Beaverton, Oregon 97005 U.S.A.

  • Page 33: Warning (Fcc Compliance)

    WARNING FCC COMPLIANCE WARNING: Changes or modifications to these units not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been test and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules.

  • Page 34: Equipment Attachment Limitations (Canadian Certification)

    EQUIPMENT ATTACHMENT LIMITATIONS NOTICE: The Canadian Department of Communications label identifies certified equipment. This certification means that it meets certain telecommunications, network protective, operational, and safety requirements. The Department does not guarantee the equipment will operate to the users satisfaction. Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of the local telecommunications company.

This manual is also suitable for:

Advantage voicecrafter 3000Advantage voicecrafter 3010Advantage voicecrafter 3011Advantage voicecrafter 3001

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