Yamaha MTX5-D/MY4-AEC Setup Instructions
Contents
1. 8 7 6 5 Computer e XMV4140 UNIT ID 30 c 5 Ke 5 mcn GYAMAMA OO sg GE So E Um i i i T EET aa rar sow sone 80 az ooo SETUP PER 2CH AONACH ad voveo REPE p IN SI gt E c E AC IN SPEAKERS YDIF nor lt lt gt omo omeo ote a TT INPUT TUN ID LPC be MODE e at Q MTX5 D MY4 AEC System Setup Manual 12 Example 2 One remote location and eight microphones in the meeting room B Example settings for MTX Editor ee Wi MTX Editor AEC 8 1RemoteLocation mtx m File System Controller About O d s mm pues Doom 7 01 MTX5 D OUT Near end Mic 2 0078 Near end Mic 3 0079 Near end 4 Dei PE REFERENCE REFERENCE REFERENCE REFERENCE BEGO COCCO to AEC REFERENCE MicIn Ref EchAt ERL MicIn Ref EchAt ERL Ref EchAt ERL Ref EchAt ERL Distance To Far end 1 To Far end 2 CH To Far end 3 CHS To Far end 4 CHI 8 68 8 68 8 68 8 68 9 99 8 88 8 88 8 88 CH9 Ei CH11 CHI2 OUT1 DUT2 OUTS OUT4 OUTS OUT6 OUT OUTS til Distance setting For a simple configuration in which the distance between the microphone and speaker is within two meters there is no need to change this setting in MTX Editor If the distance between the m2. 4 3 2 1 MTX5 D UNIT ID 01 DO cc 5 GPI MESE UNITS TPE 5 e Ix mue Eaei xl amp SSS GPI T TI DAISY CHAIN C yor 5 PRIMBRY SEC SS gt NK ae A ao wvz ORATI ORAN O RIO RRR a e meur 3 SSS C CC Don amp cc a 9 0 0 9 9 9 BORORO o YAMAHA foci mvae MADE IN JABAN OUTPUT ud OD D lt gt OD Computer ODEC B OD A e XMV4140 UNIT ID 30 UE o 8 pm G YAMAHA 4140 lt 4 gt gt _ OHH Dae Bae ee REMOTE se ooo SETUP PER 2CH X OUTPUT ONG D Guid ier p100V 125W CH Sa L pa ea 2095 c x gt c c c c 2c 2 lt 2 IN c c 2c gt C gt 4 s Bs SPEAKERS CL AGIN voir omo oBe ome n E o oo MTX5 D MY4 AEC System Setup Manual 16 Example 3 Four remote locations and four mics in the meeting room B Example settings for MTX Editor li MTX Editor 4Mic 4RemoteL ocation mtx File System Controller About O d s mm pues jon Doom 7 01 MTX5 D Near end 2 PIE ou PME REFERENCE REFERENCE REFERENCE REFERENCE BEGO sane hc hol Belch to AEC as REFERENCE MicIn Ref EchAt ERL MicIn Ref EchAt ERL Ref EchAt ERL MicIn Ref
3. NEVoice 14 OutputCh 11 14 Matrix 11 14 Secondary FBS 2ch OutputCh FromFE FEVoice 9 10 2 Saunt Matrix 10 ZONE 9 ZONE 10 XMV A C Ch A Meeting room A C Meeting room B OutputCh Matrix 1 ZONE 1 Pu CODEC A OUTPUT 1 Matrix 2 1 ch ZONE2 1ch SIUS CODEC B OUTPUT 4 For locations that are listed as having Non adjustable parameter you should avoid using Dynamics type components Gate Comp Ducker and adjusting the parameters of an operating system after it has been set up Echo cancellation will no longer work effectively if you do so MTX5 D MY4 AEC System Setup Manual 20 Example 4 Dividing between two meeting rooms and conferencing with separate locations In this example the connections are as follows Meeting room A Microphone Microphone Microphone Microphone 4 5 2 1 RECORDER B RECORDER A MTX5 D UNIT ID 01 HOY NO gj T E ax aura TINTTIALIZE E LEER i 4 gt mans Bm a aen FI UNLOCK leise 3938 59 Key B6 vor F E EEE G 5 9 5 9 9 9 C 9 9 9 9 9 9 C 5 5 5 9 5 5 69 8 eec qe DOO SoS QS SS c 9 0 0 0 6 0 0 0 0 6 C SOS D S amp C V 22 B Be e e e 9 9 6 6 e 0 e
4. Operate the fader of input channel 9 While you watch the level meter adjust the input level so that the yellow indica tor lights occasionally Adjusting the volume of a microphone of the local location Operate the faders of input channels 17 through 24 While you watch the level meter adjust the input level so that the yellow indicator lights occasionally Adjusting the volume of the speaker of the local location Adjust the input level as described in Adjusting the volume of the audio signal from the remote location and Adjusting the volume of a microphone of the local location above If you don t want the audio from the local microphone to be output from the speaker In the MATRIX screen turn off the sends of input channels 5 through 8 If you want to connect recording playback device To record connect your device to the MTX5 D s OUTPUT 7 connector To play back connect your device to the MTXS5 D s ST IN 2L connector When recording turn on the ON button of input channel STIN2L When playing back turn on the ON button of output channel OUT7 NOTE Feedback may occur if you have connected a type of recording playback device that outputs the input signal while recording is paused If feedback occurs click the ON button of input channel STIN2L to turn it off When playing back turn this button back on MTX5 D MY4 AEC System Setup Manual 14 Example 3 Four remote locations and four mics in t
5. cc 5 SS Tir uni io Tar PS START UP MODE ICH RESUME NTUE E IP SETTING POWER IN 24v pc Dante ans a pane 1c SS SS so Co TE SS SS duco N nM eS SS 85 2325 REDUNDANT DCP Yor PRIMARY SEC Z _ n SSS 5 n zu SS iT UU 9 9 9 9 cce OS SSQ e 9 0 0 0 6 S 8 stor GO YAMAHA hei veces ett AFP MADE IN JAPAN R ORDER OD lt gt BIS Computer e XMV4140 UNIT ID 30 a 1 YAMAHA E x XMV4140 2d 2 n a Bae Bah Pee ELT REMOTE 09 zz ooo SETUP PER 2CH esi t40w cH po gt OUTPUT ONLY pA A eee eai lt gt lt gt 4 E E f 5 E 4 oe e x SPEAKERS c 2c 26 x omo oBe ome n E c 5 5 TI UI J GO 0 590 HP staer up mone cn russe amp GN to INITIALIZE gt E i C E MTX5 D MY4 AEC System Setup Manual 8 Example 1 One remote location and four microphones in the meeting room B Example settings for MTX Editor lii MTX Editor AEC 4Mic 1
6. A ch CODEC OUTPUT 1 MTX5 D MY4 AEC System Setup Manual 11 Example 2 One remote location and eight microphones in the meeting room NE Near end Mic FromFE From Far end NEVoice Near end Voice FEVoice Far end Voice TO FE To Far end NR Noise Reduction For locations that are listed as having Non adjustable parameter you should avoid using Dynamics type components Gate Comp Ducker and adjusting the parameters of an operating system after it has been set up Echo cancellation will no longer work effectively if you do so In this example the connections are as follows Microphone Microphone Microphone Microphone 4 3 2 1 MTX5 D UNIT ID 01 RECORDER MQ START UP MODE e TIN JFM RESUME IE TWTIAUZE ARIA OWER IN 24V DG lante a7z es Ettore dele 2 gt SETTING UNIT D ToT PE GPI secor 5 232 a REDUNDANT ps all SSS WU Ss Ss SS a Ss SS SS sa n UE ORAY OD su 5 oec RS 95 S e 0 0 0 0 0 g 0 0 0 0 0 gt 5 0 0 6 0 stor YAMAHA woe i sara lt gt BISOUS Microphone Microphone Microphone Microphone
7. To make echo cancellation work effectively Do not use GATE COMP AGC or LIMITER and do not operate the faders or gain while the system is in use Doing so will decrease the effectiveness of echo cancellation XMV attenuator value In this project file the XMV s attenuator value is set to 99 For meeting room A access the XMV screen and set the CH A attenuator value to an appropriate value For meeting room B access the XMV screen and set the CH C atten uator value to an appropriate value MTX5 D MY4 AEC System Setup Manual 22 Example 4 Dividing between two meeting rooms and conferencing with separate locations B Examples of adjusting the settings Adjusting the volume of the audio signal from the remote location For meeting room A operate the fader of input channel 9 For meeting room B operate the fader of input channel 10 While you watch the level meter adjust the input level so that the yellow indicator lights occasionally Adjusting the volume of a microphone of the local location For meeting room A operate the faders of input channels 17 through 20 For meeting room B operate the faders of input channels 21 through 24 While you watch the level meter adjust the input level so that the yellow indicator lights occasionally Adjusting the volume of the speaker of the local location Adjust the input level as described in Adjusting the volume of the audio signal from the rem
8. 5 9 9 e 6 0 9 5 P 6 6 0 0 SOT GBYAMAHA oerte enn CAP ERES voe n ob en lt gt Microphone Microphone Microphone Microphone Computer 4 3 2 1 Meeting room B e XMV4140 UNIT ID 30 POWER AMPLIRER xs xs MSG YAMAHA 6 G XMV4140 G a OHH a mR REMOTE Bee Bab zz OD PER 2cH OUTPUT CH fi 9 ONLY Sur c gt c gt p c C A BRE gt C 2 c gt a x s ae 2 gt C a AC IN c oc 5 c E 5 SPEAKERS Cc e LED DIMMER lt me eO ver 3 3 f c 3 sae oBe offe Ss i 2c gt CC EI C ooo c gt Meeting room A f m Meeting room B momo MTX5 D MY4 AEC System Setup Manual 21 Example 4 Dividing between two meeting rooms and conferencing with separate locations B Example settings for MTX Editor TEN MTX Editor AEC 2MeetingRoom 2RemoteLocation mtx File System Controller About O d h mm Dues Doom 01 MTX5 D 00711 Near end Mic 1 00712 Near end Mic 2 00713 Near end Mic 3 00714 Near end Mic 4 Dedi ou Diei ou Dea ou Ped ou R
9. EFERENCE REFERENCE REFERENCE REFERENCE MicIn Ref EchAt ERL MicIn Ref EchAt ERL Ref EchAt ERL Ref EchAt ERL to AEC as REFERENCE Distance Distance Distance To Far end 1 To Far end 2 CH6 To Far end 3 CHS To Far end 4 CHI1 A 8 68 8 68 8 68 8 88 8 88 8 88 CHO CHI6 CHI2 OUT OUT2 QUT3 outs SSS a pi Distance setting For a simple configuration in which the distance between the microphone and speaker is within two meters there is no need to change this setting in MTX Editor If the distance between the microphone and speaker is greater than two meters use the Distance knob to specify the dis tance Echo cancellation depth setting If there is a large amount of echo use the Effect list box to adjust the depth of echo cancellation Higher numeric values allow more echoes to be cancelled However this will degrade the audio quality correspondingly so consider the trade off as you adjust this FBS setting The MTXS5 D provides two types of FBS DYNAMIC and FIXED In this project file the DYNAMIC setting of the MTXS D unit is turned on As needed use the INPUT screen to set the FBS setting to FIXED For details on how to make this setting refer to the MTX Editor User s Manual NOTE FBS is also provided by the MY4 AEC however because the FBS of the MTX5 D allows more flexible settings you should use the FBS of the MTX5 D
10. EchAt ERL Distance To Far end 1 To Far end 2 CH To Far end 3 CHS To Far end 4 8 68 8 68 8 68 9 99 8 88 8 88 8 88 CH9 CHII CH12 OUT ouT2 OUT OUTS OUT OUTS EA epe e d Distance setting For a simple configuration in which the distance between the microphone and speaker is within two meters there is no need to change this setting in MTX Editor If the distance between the microphone and speaker is greater than two meters use the Distance knob to specify the dis tance Echo cancellation depth setting If there is a large amount of echo use the Effect list box to adjust the depth of echo cancellation Higher numeric values allow more echoes to be cancelled However this will degrade the audio quality correspondingly so consider the trade off as you adjust this FBS setting The MTXS5 D provides two types of FBS DYNAMIC and FIXED In this project file the DYNAMIC setting of the MTXS D unit is turned on As needed use the INPUT screen to set the FBS setting to FIXED For details on how to make this setting refer to the MTX Editor User s Manual NOTE FBS is also provided by the MY4 AEC however because the FBS of the MTX5 D allows more flexible settings you should use the FBS of the MTX5 D To make echo cancellation work effectively Do not use GATE COMP AGC or LIMITER and do not operate the faders or gain while the system is in use Doing so will decrease th
11. GB YAMAHA MTX5 D MY4 AEC System Setup Manual By using the MTX5 D and the MY4 AEC you can configure a remote conferencing system Please read this manual when you want to configure a remote conferencing system using the MTX5 D and the MY4 AEC This manual provides a simple explanation of the setup procedure using the project file that is preinstalled in MTX Editor Understanding how the inputs and outputs of the MTX5 D and the MY4 AEC are related will allow you to configure a system that meets your needs Please refer to the owner s manual on devices about the details and refer to the MTX Editor User s Manual PDF file about the details of MTX Editor Special Notice The software and this manual are the exclusive copyrights of Yamaha Corporation Copying of the software or reproduction of this manual in whole or in part by any means is expressly forbidden without the written consent of the manufacturer Yamaha makes no representations or warranties with regard to the use of the software and documentation and cannot be held responsible for the results of the use of this manual and the software Future upgrades of application and system software and any changes in specifications and functions will be announced at the following web site http www yamahaproaudio com The screen displays as illustrated in this manual are for instructional purposes and may appear somewhat different from the screens which appear on your com
12. NOTE FBS is also provided by the MY4 AEC however because the FBS of the MTX5 D allows more flexible settings you should use the FBS of the MTX5 D To make echo cancellation work effectively Do not use GATE COMP AGC or LIMITER and do not operate the faders or gain while the system is in use Doing so will decrease the effectiveness of echo cancellation XMV attenuator value In this project file the XMV s attenuator value is set to 99 Use XMV screen to set the CH A attenuator value to an appropriate value MTX5 D MY4 AEC System Setup Manual 9 Example 1 One remote location and four microphones in the meeting room B Examples of adjusting the settings Adjusting the volume of the audio signal from the remote location Operate the fader of input channel 9 While you watch the level meter adjust the input level so that the yellow indica tor lights occasionally Adjusting the volume of a microphone of the local location In the MY4 AEC screen click the Near end Mic button to access the parameter editing screen and operate the GAIN knob While you watch the Mic In meter adjust the HA gain so that the yellow indicator lights occasionally Adjusting the volume of the speaker of the local location Adjust the input level as described in Adjusting the volume of the audio signal from the remote location and Adjusting the volume of a microphone of the local location above If you don t want t
13. RemoteLocation mtx oE File System Controller About Od mm pues Doom 7 01 MTX5 D Near end 2 PIE ou PME REFERENCE REFERENCE REFERENCE REFERENCE BEGO sane hc hol Belch to AEC as REFERENCE MicIn Ref EchAt ERL MicIn Ref EchAt ERL Ref EchAt ERL MicIn Ref EchAt ERL Distance To Far end 1 To Far end 2 CH To Far end 3 CHS To Far end 4 8 68 8 68 8 88 8 68 8 68 8 88 8 88 8 88 CH9 CHI CHII CHI2 OUT QUT2 QUT3 QUT4 OUT QUT8 si pene Di Distance setting For a simple configuration in which the distance between the microphone and speaker is within two meters there is no need to change this setting in MTX Editor If the distance between the microphone and speaker is greater than two meters use the Distance knob to specify the dis tance Echo cancellation depth setting If there is a large amount of echo use the Effect list box to adjust the depth of echo cancellation Higher numeric values allow more echoes to be cancelled However this will degrade the audio quality correspondingly so consider the trade off as you adjust this FBS setting The MTXS5 D provides two types of FBS DYNAMIC and FIXED In this project file the DYNAMIC setting of the MTXS D unit is turned on As needed use the INPUT screen to set the FBS setting to FIXED For details on how to make this setting refer to the MTX Editor User s Manual
14. ST IN 2L connector When recording turn on the ON button of input channel STIN2L When playing back turn on the ON button of output channel OUT7 NOTE Feedback may occur if you have connected a type of recording playback device that outputs the input signal while recording is paused If feedback occurs click the ON button of input channel STIN2L to turn it off When playing back turn this button back on MTX5 D MY4 AEC System Setup Manual 18 Example 4 Dividing between two meeting rooms and conferenc ing with separate locations Meeting room A Analog IN OUT Meeting room B MTX5 D MY4 AEC System Setup Manual 19 Example 4 Dividing between two meeting rooms and conferencing with separate locations In this example the signal flow is as follows Adjustable parameter Non adjustable parameter Mic In Input INPUT 1 8 1 4 Meeting room A 5 8 Meeting room B Direct Ch17 24 CODEC A amp B ST IN 2L 2R L Meeting room Ay R Meeting room B InputCh 9 10 Primary FBS InputCh 2 4 6 8 8 ch Input Ch 11 12 InputCh lp Ch 2ch X NE Near end Mic FromFE From Far end NEVoice Near end Voice FEVoice Far end Voice TO FE To Far end NR Noise Reduction Signal path with adjustable parameters Signal path with non adjustable parameters Matrix Zone Output 4ch
15. ber of cables For details on this example refer to page 19 and following MTX5 D MY4 AEC System Setup Manual 6 Example 1 One remote location and four microphones in the meeting room Here we explain the main points when adjusting the example setup shown below In this example the signal flow is as follows Signal path with adjustable parameters Adjustable Non adjustable parameter parameter Patched directly to AEC Signal path with non adjustable parameters Mic In INPUT 1 4 CODEC INPUT 5 1ch 1ch 1ch 1ch InputCh ZONE 10 OutputCh 9 6 Primary FBS InputCh 5 8 Direct Input 17 InputCh 1 4 NE Near end Mic FromFE From Far end NEVoice Near end Voice FEVoice Far end Voice TO FE To Far end NR Noise Reduction 1ch ZONE9 1ch OutputCh 5 1 ooo MN 4ch 1ch 1ch ZONE 1 MTX5 D MY4 AEC System Setup Manual 7 Example 1 One remote location and four microphones in the meeting room For locations that are listed as having Non adjustable parameter you should avoid using Dynamics type components Gate Comp Ducker and adjusting the parameters of an operating system after it has been set up Echo cancellation will no longer work effectively if you do so In this example the connections are as follows Microphone Microphone Microphone Microphone 4 3 2 1 MTX5 D UNIT ID 01 c 955 e
16. c 4RemoteLocation mtx file This example assumes that you re using the following equipment MTX5 Dx1 MY4 AEC x 1 XMV4140 Amplifier x 1 Microphones Boundary microphones x 4 Speakers the number needed CODEC or other devices needed for communicating with the remote location x 4 Communication networks with the remote location x 4 The number of speakers is not specified choose amplifiers that are suitable for your speaker setup You will also need to provide the appropriate number of cables For details on this example refer to page 15 and following MTX5 D MY4 AEC System Setup Manual 5 Introduction Example 4 Dividing between two meeting rooms and conferencing with separate locations Meeting room A Analog IN OUT Meeting room B oe This is an example in which participants are divided between two meeting rooms and are conferencing with separate loca tions Use the AEC 2MeetingRoom 2RemoteLocation mtx file This example assumes that you re using the following equipment MTX5 D x 1 MY4 AEC x 1 XMV4140 Amplifier x 1 Microphones Boundary microphones x 8 Speakers the number needed CODEC or other devices needed for communicating with the remote location x 2 Communication networks with the remote location x 2 The number of speakers is not specified choose amplifiers that are suitable for your speaker setup You will also need to provide the appropriate num
17. component from microphone signal The near end sound is thus clearly transmitted to the far end without echo The signal flow is as follows From Far end A From Far end B Far end Voice A Far end Voice B Far end Voice C From Far end C Far end Voice D From Far end D Near end Mic 4 To Far end 4 Near end Voice 4 Near end Mic 3 To Far end 3 Near end Voice 3 Near end Mic 2 To Far end 2 Near end Voice 2 Near end Mic 1 To Far end 1 Near end Voice 1 Reference signal FBS Feedback suppressor Noise reduction There are two NR Noise Reduction locations From Far end and To Far end Each has the following roles Reduces steady state noise from sources such as a projector or air conditioning unit in From Far end the remote location Reduces steady state noise from sources such as a projector or air conditioning unit in To Far end the local location C S G PA Development Division 2013 Yamaha Corporation 312PO A0 MTX5 D MY4 AEC System Setup Manual 24
18. ded CODEC or other devices needed for communicating with the remote location x 1 Communication network with the remote location x 1 The number of speakers is not specified choose amplifiers that are suitable for your speaker setup You will also need to provide the appropriate number of cables For details on this example refer to page 7 and following MTX5 D MY4 AEC System Setup Manual 3 Introduction Example 2 One remote location and eight microphones in the meeting room em Analog IN OUT This is an example of one remote location with between five and eight local microphones Use the AEC 8Mic IRemoteLocation mtx file This example assumes that you re using the following equipment MTX5 D x 1 MY4 AEC x 1 XMV4140 Amplifier x 1 Microphones Gooseneck microphones x 8 Speakers the number needed CODEC or other devices needed for communicating with the remote location x 1 Communication network with the remote location x 1 The number of speakers is not specified choose amplifiers that are suitable for your speaker setup You will also need to provide the appropriate number of cables For details on this example refer to page 11 and following MTX5 D MY4 AEC System Setup Manual 4 Introduction Example 3 Four remote locations and four microphones in the meeting room Meeting room This is an example of multiple remote locations with four or fewer local microphones Use the AEC 4Mi
19. e effectiveness of echo cancellation XMV attenuator value In this project file the XMV s attenuator value is set to 99 Use XMV screen to set the CH A attenuator value to an appropriate value MTX5 D MY4 AEC System Setup Manual 17 Example 3 Four remote locations and four mics in the meeting room B Examples of adjusting the settings Adjusting the volume of the audio signal from the remote location Operate the fader of input channels 9 through 12 While you watch the level meter adjust the input level so that the yellow indicator lights occasionally Adjusting the volume of a microphone of the local location In the MY4 AEC screen click the Near end Mic button to access the parameter editing screen and operate the GAIN knob While you watch the Mic In meter adjust the HA gain so that the yellow indicator lights occasionally Adjusting the volume of the speaker of the local location Adjust the input level as described in Adjusting the volume of the audio signal from the remote location and Adjusting the volume of a microphone of the local location above If you don t want the audio from the local microphone to be output from the speaker In the MATRIX screen turn off the sends of input channels 5 through 8 If you want to connect recording playback device To record connect your device to the MTX5 D s OUTPUT 7 connector To play back connect your device to the MTXS5 D s
20. es there will be no B Glossary Glossary Description Local Your own meeting room within the remote conferencing system Also called near end Remote The other party s meeting room within the remote conferencing system Also called far end From Far end The input signal from the remote location the other party Far end Voice The signal from the remote location reproduced via your local speakers Near end Mic The input signal from the microphone s of the remote location Near end Voice The signal from the local microphone s reproduced via the local speakers To Far end The signal of the local microphone s processed by echo cancellation and sent to the remote location CODEC A device for transmitting and receiving data via a digital communication network MTX5 D MY4 AEC System Setup Manual 2 Introduction Example 1 One remote location and four microphones in the meeting room Microphone 1 Analog OUT Meeting room i mR Microphone 2 _XMV41 40 CODEC Remote A Microphone 3 Analog IN MTXS D Analog IN OUT Microphone 4 NIC apn mi EE E This is an example of one remote location with four or fewer local microphones Use the AEC 4Mic I RemoteLocation mtx file This example assumes that you re using the following equipment MTX5 Dx1 MY4 AEC x 1 XMV4140 Amplifier x 1 Microphones Boundary microphones x 4 Speakers the number nee
21. he audio from the local microphone to be output from the speaker In the MATRIX screen turn off the sends of input channels 5 through 8 If you want to connect recording playback device To record connect your device to the MTX5 D s OUTPUT 7 connector To play back connect your device to the MTXS5 D s ST IN 2L connector When recording turn on the ON button of input channel STIN2L When playing back turn on the ON button of output channel OUT7 NOTE Feedback may occur if you have connected a type of recording playback device that outputs the input signal while recording is paused If feedback occurs click the ON button of input channel STIN2L to turn it off When playing back turn this button back on MTX5 D MY4 AEC System Setup Manual 10 Example 2 One remote location and eight microphones in the meeting room Microphone 1 Meeting room lt Ai im Microphone 2 XMV4140 Microphone 3 Microphone 4 Analog IN Microphone 5 Analog IN OUT Microphone 6 Microphone 7 Microphone 8 In this example the signal flow is as follows Adjustable Non adjustable Signal path with adjustable parameters parameter parameter Signal path with non adjustable parameters Mic In INPUT 1 8 ST IN 1L 9 Input Ch 10 InputCh 1 4 OutputCh 2 3 OutputCh 1 XMV
22. he meeting room In this example the signal flow is as follows Adjustable Non adjustable parameter parameter Patched directly Signal path with adjustable parameters Signal path with non adjustable parameters i Mic In INPUT 1 4 CODEC 1 ch INPUT 5 8 4 ch 1ch InputCh Matrix 10 ZONE 10 OutputCh 1 ch 9 12 6 InputCh 5 8 RN Direct 1ch 1ch Input 17 Matrix 9 OutputCh 5 OutputCh 1 1 ZONE 9 XMV A ch CODEC OUTPUT 1 4 4ch 1ch 1ch InputCh 1 4 NE Near end Mic FromFE From Far end NEVoice Near end Voice FEVoice Far end Voice TO FE To Far end NR Noise Reduction MTX5 D MY4 AEC System Setup Manual 15 Example 3 Four remote locations and four mics in the meeting room For locations that are listed as having Non adjustable parameter you should avoid using Dynamics type components Gate Comp Ducker and adjusting the parameters of an operating system after it has been set up Echo cancellation will no longer work effectively if you do so In this example the connections are as follows Microphone Microphone Microphone Microphone
23. icrophone and speaker is greater than two meters use the Distance knob to specify the dis tance Echo cancellation depth setting If there is a large amount of echo use the Effect list box to adjust the depth of echo cancellation Higher numeric values allow more echoes to be cancelled However this will degrade the audio quality correspondingly so consider the trade off as you adjust this FBS setting The MTXS5 D provides two types of FBS DYNAMIC and FIXED In this project file the DYNAMIC setting of the MTXS D unit is turned on As needed use the INPUT screen to set the FBS setting to FIXED For details on how to make this setting refer to the MTX Editor User s Manual NOTE FBS is also provided by the MY4 AEC however because the FBS of the MTX5 D allows more flexible settings you should use the FBS of the MTX5 D To make echo cancellation work effectively Do not use GATE COMP AGC or LIMITER and do not operate the faders or gain while the system is in use Doing so will decrease the effectiveness of echo cancellation XMV attenuator value In this project file the XMV s attenuator value is set to 99 Use XMV screen to set the CH A attenuator value to an appropriate value MTX5 D MY4 AEC System Setup Manual 13 Example 2 One remote location and eight microphones in the meeting room B Examples of adjusting the settings Adjusting the volume of the audio signal from the remote location
24. ote location and Adjusting the volume of a microphone of the local location above If you don t want the audio from the local microphone to be output from the speaker For meeting room A turn off the sends of input channels 2 and 4 in the MATRIX screen For meeting room B turn off the sends of input channels 6 and 8 in the MATRIX screen If you want to connect recording playback device For recording connect your device to the MTX5 D s OUTPUT 2 connector and 5 connector 2 is meeting room A and 5 is meeting room B For playback connect your device to the MTX5 D s ST IN 2L 2R connectors 2L is meeting room A and 2R is meeting room When you record turn on the ON button of input channels STIN2L STIN2R When playing back turn on the ON button of output channels OUT3 OUT7 NOTE Feedback may occur if you have connected a type of recording playback device that outputs the input signal while recording is paused If feedback occurs click the ON button of input channel STIN2L STIN2R to turn it off When playing back turn this button back on MTX5 D MY4 AEC System Setup Manual 23 Appendix E Signal processing in the MY4 AEC The MY4 AEC acoustic echo canceller AEC works by comparing the reference signal received from the far end with the signal from the microphone in order to determine which components of the signal are echo and then subtracts only the far end echo
25. puter Windows is a registered trademark of Microsoft Corporation in the United States and other countries The company names and product names in this manual are the trademarks or registered trademarks of their respective companies MTX5 D MY4 AEC System Setup Manual 1 Introduction The MTX5 D MY4 AEC system setup manual explains settings for when an MY4 AEC is installed in the MTX5 D s SLOT As examples we will provide simple explanations of the typical setups described below For detailed parameter settings refer to MTX Editor User s Manual When you install MTX Editor the four example files described here will be found in the following folders 32 bit operating system C Program Files Yamaha MTX Editor V ProjectFile 64 bit operating system C Program Files x86 Yamaha MTX Editor V ProjectFile will be the version of the installed MTX Editor Example File name Example 1 One remote location and four microphones in the AEC 4Mic 1RemoteLocation mtx meeting room Example 2 One remote location and eight microphones in AEC 8Mic 1RemoteLocation mtx the meeting room Example 3 Four remote locations and four microphones in AEC 4Mic 4RemoteLocation mtx the meeting room Example 4 Dividing between two meeting rooms and confer AEC 2MeetingRoom 2RemoteLocation mtx encing with separate locations is a management number In some cas
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