Biamp ADVANTAGE VOICECRAFTER 3000 Series Скачать руководство пользователя страница 1

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VOICECRAFTER

3000 Series

Echo Canceling Audio System

operation manual

Содержание ADVANTAGE VOICECRAFTER 3000 Series

Страница 1: ...VOICECRAFTERTM 3000 Series Echo Canceling Audio System operation manual...

Страница 2: ...R PIN OUTS 4 4 CONFIGURATION 5 5 USER CONTROL INTERFACE SOFTWARE 7 6 INSTALLATION 13 7 CONNECTING EXTERNAL EQUIPMENT 15 8 TROUBLESHOOTING 20 9 DTMF DIALING BTV MODE 24 10 SPECIFICATIONS 26 11 GENERAL...

Страница 3: ...gnal levels greater than 6dBm are present at the internal echo canceling processor RECEIVE LED When Green Indicates that normal signal levels between 30dBm and 6dBm are present at the internal echo ca...

Страница 4: ...is Line Out RCA female jack for connecting Voicecrafter to an external power amplifier or to an external mixer which utilizes Mix Minus see Connecting External Equipment AUX Can be configured for VCR...

Страница 5: ...00 Ohm Balanced Unbalanced Transformer Isolated Red Signal Black Signal LOUDSPEAKER 1 5 9 6 LOCAL DTE CONTROL TOP PORT Pin 1 5 VDC Pin 2 Tx From Voicecrafter Pin 3 Rx To Voicecrafter Pin 5 Ground 1 5...

Страница 6: ...location where an acoustic model of the room is created and stored for use in the echo canceling process 4 3 RESULTS OF TRAINING After a Configuration Train cycle is initiated by means of the User Co...

Страница 7: ...her the ACOUSTIC NETWORK or DIAGNOSTIC screens Use F2 or F3 to display EC_Si Placement of microphones in relation to speakers is essential for proper training values If a microphone is too close to a...

Страница 8: ...ttom of the screen Use File menu to save current software settings or to exit program Use Mode menu to select Expert all screens Novice user screen only or Terminal Display text entry access Use Commu...

Страница 9: ...aker Gain Can be adjusted using F2 and F3 only when autoadaption is FULLY DISABLED via ACOUSTIC screen Mute Displays current Speaker Mute status Can be changed using F2 and F3 User Vol Displays curren...

Страница 10: ...C_Si EC_Ri VCR IN AERL and ERLE Each time the DSP AVE button is pressed a current average will be displayed SEND Mon Displays current send speech level as calculated by autoadaption RCV Mon Displays c...

Страница 11: ...ux In and Aux Out to be used simultaneously VCR mode allows Aux In and Aux Out only to be used alternately This avoids the problem of feedback which occurs between the input and output of a VCR Input...

Страница 12: ...ed when Alarm is pressed To clear a Latch click F3 after Alarm is selected Decode Alarm Displays the meaning of an alarm that has occurred NLP Config NLP Displays current status of the NLP Non Linear...

Страница 13: ...ome silent Decay Time Displays how quickly the noise gate will suppress noise once the room has become silent Privacy Mode Defines what is muted when Mute or System Mute buttons are activated Select M...

Страница 14: ...icecrafter to an external power amplifier see paragraph 7 3 MICROPHONE Connect mics to XLR connectors labels MIC 1 and MIC 2 on the Voicecrafter MIC 1 MIC 2 M I X E R OR POWER MICROPHONE CODEC 1 2 IN...

Страница 15: ...Enable High pass filter on Mics if available Eliminating the low frequency signals produces better training results 3 Place a sound pressure level meter SPLM at the microphone location Adjust noise s...

Страница 16: ...r should be connected to the Voicecrafter Mic 2 input to pin 3 to pin 2 and ground to pin 1 using 2 conductor shielded cable Microphones are then connected to the inputs of the external mixer 7 2 2 CA...

Страница 17: ...n achieved see paragraph 4 3 store the resulting configuration by clicking on the Store button ACOUSTIC Screen followed by the desired memory location F1 F5 7 3 EXTERNAL AMPLIFIER WITHOUT LOCAL REINFO...

Страница 18: ...m table The sound level should be measured at a typical listening position for a conference participant 5 Adjust the gain of the external amplifier so that a sound pressure level of 72dB is produced a...

Страница 19: ...Click on AutoAdapt ACOUSTIC screen and use F3 to select FULLY DISABLED Then enable the internal white noise generator by clicking on the Noise button ACOUSTIC screen Use F3 to set white noise to ENA e...

Страница 20: ...ure the noise level at the conference room table The sound level should be measured at a typical listening position for a conference participant 10 Adjust the level of the external amplifier and or th...

Страница 21: ...activity can be used as a general indication that the Voicecrafter is working 8 2 4 POOR PERFORMANCE AFTER INSTALLATION 1 Train again listening for improved performance 2 Check wiring to from Voicecr...

Страница 22: ...eakers 2 Reduce local ambient noise 3 If the Voicecrafter is set at moderate loudspeaker volume levels Option 1 Adjust NLP Near End Noise preset DIAGNOSTIC screen Option 2 Train with mic in bass cut p...

Страница 23: ...8 2 14 HIGH AMBIENT ROOM NOISE TRANSMITTED TO FAR END 1 Reduce local ambient noise 2 Position microphones closer to conference participants 3 If necessary increase the number of near end mics to provi...

Страница 24: ...ecreased and Codec Output Gain is increased To accomodate for a lower transmission level Codec Input Gain Offset is increased and Codec Output Gain is decreased 8 3 4 ACOUSTIC ECHO RETURN LOSS TARGET...

Страница 25: ...the ASCII commands in the dialog box at the top of the SC 300 User Control Interface software screen Table 9 1 Dial Mode s Commands Command HEX Bytes ASCII Bytes Dial 1 0x73 0x63 0x6C scl Dial 2 0x73...

Страница 26: ...l Mode 0xF0 0x00 Setting this parameter to zero sets the Voicecrafter dialing mode to DTMF dialing 0x01 0xFFFF Setting this parameter to any non zero value sets the Voicecrafter dialing mode to Pulse...

Страница 27: ...3 2 B 0 8 9 3 9 1 2 0 A 8 5 E 8 5 8 E 50 8 5 8 B 3 0 8 C 0 889 8 8 B 9 7 8 9 9 25 0 A 8 9 8 887 H 8 H 87 H 171 7 POWER AUDIO OUT AUX CODEC MICROPHONE LOCAL REMOTE CONTROL SPEAKER LINE OUT OUT IN IN OU...

Страница 28: ...mp MIC 2 Sel 16 bit A D MIC 2 PreAmp Speaker 5 Watt Power Amp Output Line Level Output 600 Balanced 16 bit A D 30dB 16 bit D A 16 bit A D 16 bit A D 16 bit D A 16 bit D A 600W Balanced w Phantom PWR A...

Страница 29: ...ction of conference systems from multiple locations Clipping Signal which is incomplete due to portions being cut in the process of transmission Codec A device which produces a coded output from an an...

Страница 30: ...e echo canceller receive out port and return back to the send in port as an echo Transmission Delay The amount of time for a signal to travel from a far end site to a near end site 11 2 ACRONYMS ABBRE...

Страница 31: ...ON 30 HHT Hand Held Terminal Hz Hertz LED Light Emitting Diode kHz Kilohertz mSec Milliseconds NLP Non Linear Processor PC Personal Computer RAM Random Access Memory RCV Receive SND Send V Volts VDC V...

Страница 32: ...6 7 6 8 6 8 7 66 5 7 6 8 7 6 5 7 6 66 5 6 6 5 7 5 7 7 8 8 7 8 5 7 6 7 6 6 8 7 6 7 6 6 7 5 7 7 6 8 66 5 7 6 6 6 66 6 7 8 5 7 6 7 8 7 8 6 5 8 5 5 7 5 66 5 5 2 6 7 6 5 7 8 5 7 6 7 6 8 7 5 8 5 7 A 7 6 7...

Страница 33: ...rence to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at their own...

Страница 34: ...d connector assembly telephone extension cord The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations Repairs to certified equi...

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