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MEQ-2000 

 

24/96 Multimode Equalizer 

M

ASTER 

D

ELAY

 

 

Length  

 

 

 

2 x 1240 ms 

Resolution 

   

0.01 millisecond 

Programmable in milliseconds, meters or feet 
(the actual environment temperature can be 

considered) 

Attenuation 

   

0 to -24 dBFs 

Phase Invert & Channel Sweep 

Dithering Levels 

 

 

16, 20, 24 bits 

 

1/3 O

CTAVE 

R

EAL

-T

IME 

S

PECTRUM 

A

NALYZER

 

 

31-Band conform to GEQ 
Peak-Hold Function with Reset 

Adjustable Averaging and Decay Time 
Adjustable Display Range: Maximal Level and Zoom 

Inverse Spectral Function as a reference for GEQ 

 
R

EFERENCE 

S

IGNAL 

G

ENERATOR

 

 

Waveforms 

   

Sine, Sine Sweep 

Noise   

 

 

 

White, Pink 

Manual Feedback Detection and Suppression 

Room Measurement and Correction 

 

C

OMPREHENSIVE 

S

AMPLE 

R

ATE 

C

ONVERSION

 

 

Input Sample Rates   

 

20 – 100 kHz 

Output Sample Rates   

 

32, 44.1, 48, 64, 88.2, 96 kHz, 

or equal to the Input Sample Rate 

 

D

ETAILED 

D

IGITAL 

I/O S

TATUS 

M

ONITORING

 

 

AES-3 (AES/EBU) conform 

IEC958 (S/PDIF) conform 

 

 

AUDIO INPUTS AND OUTPUTS 

 

Analog Inputs

   

 

 

XLR (pin 2 hot) electronic balanced, RF suppressed 

Impedance

   

 

 

> 10 k

Ω

 (balanced) 

Maximum Signal Level 

 

+24 dBu (Input Gain @ +12 dB) 

Input Gain Range

  

 

 

-12 dB to +12 dB 

 
Digital Inputs 

XLR: AES-3 or AES/EBU (up to 24 bits) transformer 

balanced 

Coaxial and Optical 

S/PDIF (up to 20 bits), IEC 958, EIAJ CP-340 coax with 
transformer 

Sample 

Rate 

   

20 to 100 kHz (any) 

 

54

Содержание MEQ-2000

Страница 1: ...MEQ 2000 24 96 Multimode Equalizer Copyright 2004 Inter M Corporation...

Страница 2: ...lay 24 Parameter Window 24 DELAY MODE Screen 25 SETUP MENU Compressor Limiter COM LIM 26 Parameter Window 26 COM LIM MODE Screen 28 SETUP MENU Limiter 29 Parameter Window 29 LIMITER MODE Screen 30 SET...

Страница 3: ...EQ 2000 24 96 Multimode Equalizer UTILITY MENU STRUCTURE 49 MEMORY MENU 50 Technical Specifications 53 Block Diagram 56 APPENDIX I SYSEX System Exclusive Message Definitions 57 Appendix II Jumpers 77...

Страница 4: ...MEQ 2000 24 96 Multimode Equalizer 4...

Страница 5: ...quality AD DA converters a constant internal sampling rate of 96kHz and precision ultra low noise digital filters the MEQ 2000 delivers warm analog sound with the benefits of a digital feature set A...

Страница 6: ...Follow all instructions 3 Keep all warnings 4 Do not operate this apparatus near water 5 Clean only with a damp cloth 6 Do not block any of the ventilation openings 7 Install only in accordance with t...

Страница 7: ...e apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moistur...

Страница 8: ...system delay of less than 1 ms Extended frequency bandwidth of up to 31 5 kHz Eight band fully parametric equalizer with six bell type filters low and high shelving Low cut and high cut filters with...

Страница 9: ...y above the keys on the LCD display 3 5 Display Mode Keys These keys are used to select the current display mode Options are Setup Utility and Memory The current selection is shown by the keys integra...

Страница 10: ...switch is used to switch the unit on and off When the unit is on the integrated Power Indicator LED is lit 10 LCD Contrast Adjustment This knob adjusts the contrast of the LCD display for better read...

Страница 11: ...DIF coaxial on RCA connector and S PDIF optical on TOSLINK connector 4 Digital Outputs Digital audio outputs AES EBU on XLR connector S PDIF coaxial on RCA connector and S PDIF optical on TOSLINK conn...

Страница 12: ...MEQ 2000 24 96 Multimode Equalizer OVERVIEW Signal Flow Diagram 12...

Страница 13: ...le of multiple operations The Configuration function see Page 38 found under the Utility menu allows various module configurations each of which is optimized for one of the above applications All the...

Страница 14: ...and the unit is receiving valid digital input the sampling frequency FSI and word length WLI are displayed here SRCI Indicates whether the input sampling rate converter is active OUTPUT Displays the...

Страница 15: ...imode Equalizer FS INTERNAL Indicates the internal sampling frequency This should always read 96kHz FSI MEASURED Displays the actual sampling frequency of the signal at the selected digital input Setu...

Страница 16: ...UT Enters the CUT Filter menu high cut low cut and six notch filters F4 DELAY Enters the DELAY menu offering two 1 3 second delay lines F5 LIM In RE 1 and RE 3 Configuration modes enters Peak Limiter...

Страница 17: ...1 ON Switches the selected function ON or OFF ON status is indicated by an inverted button In the example above GEQ is off F2 CH Is active only in dual channel mode If both channels are linked or in m...

Страница 18: ...Switches to main SETUP menu Parameter Window The PEQ parameters can be selected using the cursor keys and changed with the parameter wheel The cursor keys allow for fast selection of filter bands The...

Страница 19: ...R appears at the F5 key and must be pressed to confirm the change Default settings can be selected with the F1 DEF key Pressing the F6 EXIT key returns to the PEQ screen Global parameters available in...

Страница 20: ...rameter Window The Parameter Window displays the setup for the selected band Band number BAND center frequency FREQ GAIN and TYPE The cursor keys or the parameter wheel can be used to adjust the gain...

Страница 21: ...e GEQ module 8dB with 0 125dB steps or 16dB with 0 25 dB steps TYPE selects the type of GEQ filter bank PARALLEL or INTERP DISPLAY selects the type of GEQ display beams or faders WEIGHT selects the GE...

Страница 22: ...e or fine F5 MODE Switches to MODE menu for advanced options F6 EXIT Switches to main SETUP menu Parameter Window The Parameter Window displays the setup for the selected filter The cursor keys can be...

Страница 23: ...le In this screen parameters are selected with the and cursor keys and adjusted with the parameter wheel After every change ENTER appears at the F5 key and must be pressed to confirm the change Defaul...

Страница 24: ...n LENGTH is highlighted delay increment decrement is in 1 ms steps COARSE or 0 01 ms steps FINE When DIST is highlighted the distance increment is calculated to the adjusted environment temperature in...

Страница 25: ...in the MODE menu F5 DELAY MODE Screen Pressing the MODE key accesses the DELAY MODE screen which allows for global setups for the DELAY module In this screen parameters are selected with the cursor k...

Страница 26: ...ameter sets in the parameter window F5 MODE Switches to MODE menu for advanced options F6 EXIT Switches to main SETUP menu Parameter Window The cursor keys can be used to highlight the selected parame...

Страница 27: ...UICK for program material high in dynamics use LAZY for slow instrumental and symphonic music The COM LIM module utilizes a look ahead algorithm that allows a highly reliable limiting function To help...

Страница 28: ...s the limiter in both channels to avoid stereo image jumping CEILING links the threshold THR and output gain GAIN parameters so that the COM LIM output remains at the same level independent of the THR...

Страница 29: ...or adjusted THRE sets up the threshold of the limiter over a range of 0 to 48dBFs in 0 1dB increments HOLD selects the hold time over a range of 0 to 200 ms in 1 ms increments REL selects the release...

Страница 30: ...nel coupling status OFF selects dual channel mode with two independent channels CH1 2 couples the channels with CH1 slaved to CH2 CH2 1 couples the channels with CH2 slaved to CH1 ST COUPL couples the...

Страница 31: ...trum F3 RESET resets the spectral display F5 MODE Switches to MODE menu for advanced options F6 EXIT Switches to main SETUP menu Parameter Window The cursor keys can be used to highlight the selected...

Страница 32: ...ys only the spectral envelope DECAY adjusts the fall back time for the beams display over a range of 500 to 5000ms in 10 ms steps RMS IT selects the integration time for RMS level measurement over a r...

Страница 33: ...IT Switches to main SETUP menu Parameter Window The cursor keys can be used to highlight the selected parameter and the parameter wheel can be used to change its value The cursor keys provide for quic...

Страница 34: ...F selects dual channel mode with two independent channels CH1 2 couples the channels with CH1 slaved to CH2 CH2 1 couples the channels with CH2 slaved to CH1 CLIP selects the clipping behavior at the...

Страница 35: ...F1 ON Switches the GEN on or off F2 Toggles between CH1 and CH2 setup if CH LINK in MODE menu is Off F4 increases the adjustment resolution from 1 12 octave COARSE to 1Hz FINE F5 MODE Switches to MOD...

Страница 36: ...ors only the AMPL parameter is active For CONST signal type the AMPL parameter changes to VALUE which offers a range of ten hexadecimal constants 000000 FFFFFF 555555 AAAAAA 7FFFFF 800000 F0F0F0 0F0F0...

Страница 37: ...CH2 1 couples the channels with CH2 slaved to CH1 SWEEP TYPE selects the type of sweep ONE TIME switches the generator off after a single pass CONT provides continuous sweeping as long as the generato...

Страница 38: ...e configuration and input output selection F2 REMO opens the REMOTE CONTROL menu F3 ADCAL opens the ADC calibration menu F4 LOCK accesses the DEVICE LOCK menu where you can lock out any unintended or...

Страница 39: ...nforcement with a peak limiter implemented at the end of the signal chain Acoustical Measurement with a reference signal generator and real time spectral analyzer The six detailed module configuration...

Страница 40: ...ng ENTER to confirm a change the system will mute all outputs for a few seconds while reconfiguring The available parameters are CONFIG provides for selection of module configuration MA 1 MA 2 RE 1 RE...

Страница 41: ...highest possible processing quality The FSIN2 mode SYNC is recommended for synchronizing the MEQ 2000 to a studio master clock or digital mixing console DO WL selects from word lengths of 24 20 and 16...

Страница 42: ...MEQ 2000 24 96 Multimode Equalizer Typical Digital Interconnections 42...

Страница 43: ...ameters via a standard PC There are three active buttons in the REMOTE mode F1 DEF recalls a default setup F5 ENTER confirms the most recently entered changes F6 EXIT returns to the UTILITY menu The a...

Страница 44: ...or these variations a recalibration is recommended especially if your source has a wide dynamic range Pressing the ADCAL key in the UTILITY menu will bring up the screen above Press CAL to begin the A...

Страница 45: ...parameters will bring up a DEVICE LOCKED message over the actual menu screen To unlock the device enter the SECURITY LOCK menu select DEVICE UNLOCK with the parameter wheel and confirm with the F5 ENT...

Страница 46: ...he UTILITY menu accesses the Device ID screen which displays unique identifying information for your MEQ 2000 You will need these numbers before contacting technical support or to download software up...

Страница 47: ...the life span of the backlight RELAYS selects the device switch on and switch off sequence depending on the mode selected for the relays at the analog outputs They can be configured as HARD BYPASS de...

Страница 48: ...Q 2000 with the version available on the Internet The currently installed version may be viewed in the opening screen upon switching the unit on or by accessing the Device ID screen see page 45 To per...

Страница 49: ...MEQ 2000 24 96 Multimode Equalizer UTILITY MENU STRUCTURE 49...

Страница 50: ...There are five active keys in MEMORY mode F1 FACT USER toggles between FACTORY Fxx and USER Uxx preset banks F2 RECALL loads the highlighted preset overwriting the current parameters To keep the curre...

Страница 51: ...et store a new preset or delete a preset In the above illustration the last recalled preset was F01 FLAT INIT Using the F1 key the USER bank has been accessed and the empty U04 preset has been selecte...

Страница 52: ...alling them and storing them in another location Presets can be deleted by pressing the F4 DEL key in the MEMORY menu In the UTILITY menu you can create presets for the MEQ 2000 s configuration and ge...

Страница 53: ...ILTER BLOCK Low Cut Frequency Range 2 Hz to 2 kHz suitable for DC removal and de rumble High Cut Frequency Range 200 Hz to 25 kHz Slope 6 12 18 dB octave Characteristics Bessel Butterworth Notch Filte...

Страница 54: ...OR Waveforms Sine Sine Sweep Noise White Pink Manual Feedback Detection and Suppression Room Measurement and Correction COMPREHENSIVE SAMPLE RATE CONVERSION Input Sample Rates 20 100 kHz Output Sample...

Страница 55: ...Internal Signal Path 40 bits Inherent System Delay 1 ms 96 kHz Analog Input Frequency Range 10 Hz 31 5 kHz 0 0 5 dB Dynamic Range 113 dB A THD N 0 001 10 Hz 31 5 kHz Crosstalk 105 dB 1 kHz CMRR 40 dB...

Страница 56: ...MEQ 2000 24 96 Multimode Equalizer Block Diagram 56...

Страница 57: ...up Algorithmix ID Code 4 ii Model ID 00 All Models 5 hh Handle 0X00 No Handle 6 xx Command ID 0X00 Request Device Info Receive 0X01 Set Device Id Receive device dependent 0X02 Request Device Status Re...

Страница 58: ...Byte Data Description 0 1 2 3 F0h 00h 20h 49h Start of System Exclusive Message Manufacturer ID European Group Algorithmix ID Code 4 ii Model ID 01 MEQ 2000 5 uu Device ID Handle 00 All Devices No Han...

Страница 59: ...6 bb 31 MSB bb 31 LSB Level Band 31 16dB to 16dB in 0 01dB steps 0 0x2000 GEQ Range Byte Data Description 0 03h ID GEQ Range 1 rr Channel 0 8dB 1 16dB GEQ ON OFF Byte Data Description 0 04h ID GEQ ON...

Страница 60: ...eset 1 fi MSB fi LSB File ID 2 di Drive ID 0 User 1 Temp 2 Factory GEQ Save Preset Byte Data Description 0 0Dh ID GEQ Save Preset 1 fi MSB fi LSB File ID 2 di Drive ID 0 User 1 Temp GEQ Delete Preset...

Страница 61: ...ndwidth Q 0 667 to 20 0 in 0 01 steps If MSB 0x7F then Bandwidth in octaves in LSB 0 2 1 3 2 2 1 3 2 3 4 1 2 5 1 3 6 2 9 7 1 6 8 1 9 9 1 12 for Filter 2 to 7 0 3dB Oct 1 6dB Oct 2 9dB Oct for Filter 0...

Страница 62: ...User 1 Temp PEQ Delete Preset Byte Data Description 0 0Eh ID PEQ Delete Preset 1 fi MSB fi LSB File ID 2 di Drive ID 0 User 1 Temp PEQ Preset Name Byte Data Description 0 0Fh ID Preset Name for PEQ 1...

Страница 63: ...24 Oct 3 1 48 Oct for Filter 2 to 7 or Slope 0 off 1 6dB Oct 2 12dB Oct 3 18dB Oct for Filter 0 and 1 9 10 gg MSB gg LSB Gain 24dB to 8 dB only for Filters 2 7 in 0 01 dB steps 0 0x2000 ignore Gain f...

Страница 64: ...o 60dB in 0 01dB steps 0 0x2000 4 5 rr MSB rr LSB Ratio 1 0 1 to 99 9 1 INF 0x7F in 0 1 steps 6 7 rr MSB rr LSB Co Li 1 99 to 99 1 in 1 steps 8 9 gg MSB gg LSB Gain 0dB to 48dB in 0 01 dB steps 0 0x00...

Страница 65: ...a Description 0 06h ID COM LIM Attack Time Compensation 1 aa 0 off 1 on COM LIM Ceiling Byte Data Description 0 07h ID COM LIM Ceiling 1 ce 0 off 1 on COM LIM Load Preset Byte Data Description 0 0Ch I...

Страница 66: ...0 01h ID DELAY Length 1 cc Channel 0 Ch1 1 Ch2 2 3 4 ll MSB ll ll LSB Delay Length 0 to 119040 Samples 0 0x000000 DELAY On Off Byte Data Description 0 02h ID DELAY On Off 1 oo 0 off 1 on DELAY Channel...

Страница 67: ...or DELAY 1 cc Character 1 16 cc Character 16 DELAY Dirty Receive Byte Data Description 0 10h ID DELAY Dirty 1 fi Function Group ID 0x04 2 mi Menu ID MEQ 2000 Parameter Identifier for RTA Real Time Ana...

Страница 68: ...MITER Channel Byte Data Description 0 01h ID LIMITER Channel 1 cc Channel 0 Ch1 1 Ch2 2 3 tt MSB tt LSB Threshold 0dB to 48dB in 0 01dB steps 0 0x2000 4 5 6 hh MSB hh hh LSB Hold 0ms to 200ms in 0 01...

Страница 69: ...R Load Preset 1 fi MSB fi LSB File ID 2 di Drive ID 0 User 1 Temp 2 Factory LIMITER Save Preset Byte Data Description 0 0Dh ID LIMITER Save Preset 1 fi MSB fi LSB File ID 2 di Drive ID 0 User 1 Temp L...

Страница 70: ...EVELS On Off 1 oo 0 off 1 on LEVELS Channel Link Byte Data Description 0 03h ID LEVELS Channel Link 1 ll 0 off 1 on LEVELS Clip Byte Data Description 0 04h ID LEVELS Clip 1 cc 0 hard 1 soft1 2 soft2 L...

Страница 71: ...ata Description 0 05h ID GEN Sweep 1 tt Sweep Type 0 continuous 1 one time only in type 1 2 dd Sweep Direction 0 up 1 down 2 up down only in type 1 3 rr Frequency Range only in type 1 0 STAND 1 EXTEND...

Страница 72: ...SB fi LSB File ID 2 di Drive ID 0 User 1 Temp CONFIG Delete Preset Byte Data Description 0 0Eh ID CONFIG Delete Preset 1 fi MSB fi LSB File ID 2 di Drive ID 0 User 1 Temp CONFIG Preset Name Byte Data...

Страница 73: ...sured MSB LSB 14 F7 End of System Exclusive Message MEQ 2000 Parameter Identifier for System Remote Access Byte Data Description 0 01h ID Remote Access 1 As Access State 0x00 OFF 0x01 Remote Access 0x...

Страница 74: ...ext File Send Status 1 id Request ID Get File Info Receive Byte Data Description 0 03h ID Get File Info send File Info 1 id Request ID Close Receive Byte Data Description 0 04h ID Close 1 id Request I...

Страница 75: ...mber of bytes Status Send Byte Data Description 0 40h ID Status 1 id Request ID 2 ss 0 False 1 True File Info Send Byte Data Description 0 41h ID Filename 1 id Request ID 2 at Attribute 3 cc Character...

Страница 76: ...sysex message is employed as follows RTA Change Byte Data Description 0 0xA0 Polyphonic Aftertouch used for RTA Running Status supported 1 2 bb 0 30 RTA Band 0 to 30 100 105 Meter In Out Gain reducti...

Страница 77: ...6 Pin 1 signal ground J7 Pin 1 housing ground J8 Pin 1 housing ground signal ground over capacitors default CH1 output J17 Pin 1 signal ground J18 Pin 1 housing ground default CH2 output J26 Pin 1 sig...

Страница 78: ...global company that is truly international in scope with factories and offices in Korea and China and sales and marketing operations located in Japan Europe and the U S A With more than 850 employees...

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