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User's Guide ADI-6432 © RME

17.4 Table

No. No. Name

Set

Value

Resp. Databytes

00h

settings byte 1

hex coded value of byte (see below)

01h

settings byte 2

hex coded value of byte (see below)

02h

info byte 1

hex coded value of byte (see below)

03h

info byte 2

hex coded value of byte (see below)

04h

info byte 3

hex coded value of byte (see below)

05h

MADI audio 1..4

bit 0..3 = audio 1..4, bit 4..7 = 0

06h

MADI audio 5..8

bit 0..3 = audio 5..8, bit 4..7 = 0

07h

MADI audio 9..12

bit 0..3 = audio 9..12, bit 4..7 = 0

08h

MADI audio 13..16

bit 0..3 = audio 13..16, bit 4..7 = 0

09h

MADI audio 17..20

bit 0..3 = audio 17..20, bit 4..7 = 0

0Ah

MADI audio 21..24

bit 0..3 = audio 21..24, bit 4..7 = 0

0Bh

MADI audio 25..28

bit 0..3 = audio 25..28, bit 4..7 = 0

0Ch

MADI audio 29..32

bit 0..3 = audio 29..32, bit 4..7 = 0

0Dh

AES lock 1..4

bit 0..3 = lock 1..4, bit 4..7 = 0

0Eh

AES lock 5..8

bit 0..3 = lock 5..8, bit 4..7 = 0

0Fh

AES lock 9..12

bit 0..3 = lock 9..12, bit 4..7 = 0

10h

AES lock 13..16

bit 0..3 = lock 13..16, bit 4..7 = 0

11h

AES lock 17..20

bit 0..3 = lock 17..20, bit 4..7 = 0

12h

AES lock 21..24

bit 0..3 = lock 21..24, bit 4..7 = 0

13h

AES lock 25..28

bit 0..3 = lock 25..28, bit 4..7 = 0

14h

AES lock 29..32

bit 0..3 = lock 29..32, bit 4..7 = 0

15h

AES sync 1..4

bit 0..3 = sync 1..4, bit 4..7 = 0

16h

AES sync 5..8

bit 0..3 = sync 5..8, bit 4..7 = 0

17h

AES sync 9..12

bit 0..3 = sync 9..12, bit 4..7 = 0

18h

AES sync 13..16

bit 0..3 = sync 13..16, bit 4..7 = 0

19h

AES sync 17..20

bit 0..3 = sync 17..20, bit 4..7 = 0

1Ah

AES sync 21..24

bit 0..3 = sync 21..24, bit 4..7 = 0

1Bh

AES sync 25..28

bit 0..3 = sync 25..28, bit 4..7 = 0

1Ch

AES sync 29..32

bit 0..3 = sync 29..32, bit 4..7 = 0

1Dh

AES audio 1..4

bit 0..3 = audio 1..4, bit 4..7 = 0

1Eh

AES audio 5..8

bit 0..3 = audio 5..8, bit 4..7 = 0

1Fh

AES audio 9..12

bit 0..3 = audio 9..12, bit 4..7 = 0

20h

AES audio 13..16

bit 0..3 = audio 13..16, bit 4..7 = 0

21h

AES audio 17..20

bit 0..3 = audio 17..20, bit 4..7 = 0

22h

AES audio 21..24

bit 0..3 = audio 21..24, bit 4..7 = 0

23h

AES audio 25..28

bit 0..3 = audio 25..28, bit 4..7 = 0

24h

AES audio 29..32

bit 0..3 = audio 29..32, bit 4..7 = 0

25h

set device id

(request displays in header)

Содержание ADI-6432

Страница 1: ...o Digital Interface SyncAlign SyncCheck Intelligent Clock Control TM SteadyClock TM Hi Precision 24 Bit 192 kHz 64 Channel Bidirectional Format Converter MADI AES EBU Interface MIDI embedded in MADI RS232 embedded in MADI MIDI Remote Control ...

Страница 2: ...8 4 CLOCK 15 8 5 REMOTE 15 9 Inputs 9 1 MADI 16 9 2 AES EBU 16 10 Outputs 10 1 MADI 17 10 2 AES EBU 17 11 Word Clock 11 1 Word Clock Input and Output 18 11 2 Technical Description and Background 19 11 3 Cables and Termination 20 12 MIDI and RS232 12 1 Transmission of MIDI 21 12 2 Remote Controlling the ADI 6432 21 12 3 Remote Control Software 22 12 4 RS232 23 13 Application Examples 13 1 Digital A...

Страница 3: ...6 Firmware 32 14 7 Connector Pinouts 32 14 8 MADI User Bit Chart 33 15 Technical Background 15 1 Terminology 34 15 2 Lock SyncCheck and SyncAlign 35 15 3 AES EBU SPDIF 36 15 4 MADI Basics 37 15 5 SteadyClock 38 16 Block Diagram 39 17 MIDI Implementation Chart 17 1 Basic SysEx Format 40 17 2 Message Types 40 17 3 MADI Input State Redundancy Mode 40 17 4 Table 41 ...

Страница 4: ...4 User s Guide ADI 6432 RME ...

Страница 5: ...User s Guide ADI 6432 RME 5 User s Guide ADI 6432 General ...

Страница 6: ... a standard 19 box with 2 unit height The compact device has numerous extraordinary features like Intelligent Clock Control ICC SyncCheck SyncAlign SteadyClock MIDI over MADI RS232 over MADI and remote control via MADI and MIDI All of the ADI 6432 I Os support 192 kHz 24 bit The format conversion between MADI and AES EBU operates in both directions at the same time LEDs of different colours show t...

Страница 7: ...ve SyncCheck indicates via flashing LEDs if one of these inputs is locked but not synchronous to the chosen clock reference WORD INPUT displays the basic state of the word clock input signal ERROR Double Speed and Quad Speed Note that these LEDs are only active when word has been chosen as clock reference In the CLOCK SECTION the current clock reference and frequency multiplier is chosen MADI OUTP...

Страница 8: ...re transformer coupled high sensitivity type there fore accept all common digital sources even SPDIF WORD IN BNC A push switch allows to activate internal termination 75 Ohms WORD OUT BNC Standard word clock output MIDI I O 5 pin DIN MIDI input and output via 5 pin DIN jacks Used for transmission of MIDI data via MADI and for remote control of the ADI 6432 COM 9 pin D sub Serial interface for data...

Страница 9: ...n the CLOCK SECTION The but tons CLOCK let you step through the options external clock AES MADI word and internal clock 44 1 or 48 kHz The button STATE sets the range for the internal but also the external sample rate Selecting DS will result in 88 2 and 96 kHz selecting QS sets 176 4 and 192 kHz The MADI output signal can include 56 or 64 channels FORMAT The FRAME button switches the MADI output ...

Страница 10: ...ally for direct connection of devices having digital I Os with Tascam pinout For example the HDSP AES 32 the OctaMic or the ADI 4DD can be connected directly to the ADI 6432 Part Number Description BO25M25M1PRO Digital D sub Cable Pro AES EBU 25 pin D sub to 25 pin D sub 1m BO25M25M3PRO Digital D sub Cable Pro AES EBU 25 pin D sub to 25 pin D sub 3m BO25M25M6PRO Digital D sub Cable Pro AES EBU 25 ...

Страница 11: ...nd on our website http www rme audio com Distributor Synthax Audio AG Am Pfanderling 62 D 85778 Haimhausen Tel 49 08133 91810 Manufacturer IMM Elektronik GmbH Leipziger Strasse 32 D 09648 Mittweida Trademarks All trademarks and registered trademarks belong to their respective owners RME SyncAlign Hammerfall and SyncCheck are registered trademarks of RME Intelligent Audio Solutions ADI 6432 SteadyC...

Страница 12: ...rticular installation If this equipment does cause harmful interference to radio or television reception which can be de termined by turning the equipment off and on the user is encouraged to try to correct the inter ference by one or more of the following measures Reorient or relocate the receiving antenna Increase the seperation between the equipment and receiver Connect the equipment into an ou...

Страница 13: ...User s Guide ADI 6432 RME 13 User s Guide ADI 6432 Usage and Operation ...

Страница 14: ...rame format 8 2 MADI OUTPUT The buttons FRAME and FORMAT configure the MADI output signal as follows FRAME 48k or 96k frame 48k frame can be used with Single Double and Quad Speed 96k frame is limited to the range 64 kHz to 96 kHz Double Speed FORMAT 56 channel or 64 channel format 8 3 AES The INPUT STATE of the 32 inputs is displayed by a total of 67 LEDs Each input has its own SYNC LED If a vali...

Страница 15: ...ng error or constantly lit OK LED The button STATE is used to configure the ADI 6432 and with this all of its outputs to the fre quency ranges Single Speed Double Speed or Quad Speed No LED Single Speed All outputs carry a signal in the range of 32 kHz up to 48 kHz DS Double Speed AES outputs 1 16 carry a signal in the range of 64 kHz up to 96 kHz MADI stays at no higher than 48 kHz with the data ...

Страница 16: ...ound free Channel status and copy protection are being ignored The inputs can be used in any combination e g it is sufficient to connect an input signal only to input 3 In slave mode this input is automatically being used as clock source If more than one signal is present the one furthest left is being used as clock source i e the active input with the lowest number The ADI 6432 supports single wi...

Страница 17: ... The 32 AES EBU outputs are provided on the rear of the ADI 6432 via eight 25 pin D sub con nectors with Tascam pinout also used by Digidesign A digital breakout cable will provide 4 male and 4 female XLR connectors per D sub connector Every output is transformer balanced ground free and compatible to all devices with AES EBU ports The output s channel status coding has been implemented according ...

Страница 18: ...mV 0 3V input level are sufficient in principle An additional hysteresis reduces sensitivity to 1 0 V so that over and undershoots and high frequency disturbances don t cause a wrong trigger The ADI 6432 s word clock input is shipped as high impedance type not terminated A push switch allows to activate internal termination 75 Ohms The switch is found on the back beside the BNC jacks Use a small p...

Страница 19: ...k all other devices must be set to Slave mode But word clock is not only the great problem solver it also has some disadvantages The word clock is based on a fraction of the really needed clock For example SPDIF 44 1 kHz word clock a simple square wave signal has to be multiplied by 256 inside the device using a spe cial PLL to about 11 2 MHz This signal then replaces the one from the quartz cryst...

Страница 20: ... higher voltage word clock networks are in some cases more stable and reliable if cables are not terminated at all Ideally all outputs of word clock delivering devices are designed as low impedance types but all word clock inputs as high impedance types in order to not weaken the signal on the chain But there are also negative examples when the 75 Ohms are built into the device and cannot be switc...

Страница 21: ...rix router is set up A MIDI cable connecting MIDI output and MIDI input of the ADI 6432 will realize a direct pass through of MIDI from MADI input to MADI output 12 2 Remote Controlling the ADI 6432 The ADI 6432 can be completely remote controlled via MIDI The CPU shown above reacts on specific commands Furthermore upon request the CPU will report the complete device status This includes all contr...

Страница 22: ... MIDI sig nals of external devices travel via MIDI In and MADI Out back to the software together with the request responses of the CPU Software download http www rme audio com download midiremote zip Brief description of Windows Software ADI 6432 MIDI Remote The program includes an extensive english online help F1 After the start first choose the func tion ADI 6432 Front View in the menu Functions...

Страница 23: ...ia MADI the ADI 6432 also transmits serial data via user bits in this case on channels 1 to 9 Supported are the Baud rates 9600 19200 38400 and 115200 The configuration is done via MIDI either by sending the according SysEx string or more comfortably via the Windows software MIDI Re mote The specific setting is stored in the unit and doesn t change on reboot SysEx Strings 9600 Bd F0 00 20 0D 63 7F...

Страница 24: ...ox computer unveils a delay the so called offset between playback and recording If a signal is played back from the MADI PCI and recorded again via MADI by performing an AES loopback the record track will show a specific delay against the playback track The reason for this is that the HDSP MADI does signal its own offset to the application but not the ones of externally connected devices which it ...

Страница 25: ...User s Guide ADI 6432 RME 25 ...

Страница 26: ...ts units In this applica tion the ADI 6432 serves to insert digital devices into the MADI data stream or as adder of ad ditional signals to the not fully utilized MADI data stream Example A mixing desk sends 48 channels via MADI 16 more channels from two RME Oc taMic D 8 channel microphone preamp with AES outputs shall be recorded by a HDSP MADI into a computer This application requires one ADI 64...

Страница 27: ...converter Its AES outputs are connected to the AES inputs of the second ADI 6432 The second ADI 6432 is used as de scribed in the above example sending the MADI input signal directly to the MADI output At the same time the unit fills the unused MADI channels at its MADI output with the audio signals from the AES inputs The diagram shows cabling and signal flow of such an application ...

Страница 28: ...28 User s Guide ADI 6432 RME ...

Страница 29: ...User s Guide ADI 6432 RME 29 User s Guide ADI 6432 Technical Reference ...

Страница 30: ... input signal 1 ns Jitter suppression 30 dB 2 4 kHz Word Clock BNC not terminated 10 kOhm Switch for internal termination 75 Ohm Automatic Double Quad Speed detection and internal conversion to Single Speed SteadyClock guarantees super low jitter synchronization even in varispeed operation Transformer coupled galvanically isolated input Not affected by DC offsets within the network Signal Adaptati...

Страница 31: ... 96k frame RS 232 9 pin D Sub Invisible transmission via User bit of channels 1 to 9 14 4 Digital Clocks Internal AES EBU In MADI In Word clock In Low Jitter Design 1 ns in PLL mode all inputs Internal clock 800 ps Jitter Random Spread Spectrum Jitter suppression of external clocks 30 dB 2 4 kHz PLL ensures zero dropout even at more than 100 ns jitter Group delay typically 3 samples 14 5 General P...

Страница 32: ...gn Signal In 1 2 In 1 2 In 3 4 In 3 4 In 5 6 In 5 6 In 7 8 In 7 8 D Sub 24 12 10 23 21 9 7 20 Signal Out 1 2 Out 1 2 Out 3 4 Out 3 4 Out 5 6 Out 5 6 Out 7 8 Out 7 8 D Sub 18 6 4 17 15 3 1 14 GND is connected to pins 2 5 8 11 16 19 22 25 Pin 13 is not connected The Yamaha pinout is quite popular as well When building a D sub to D sub adapter or con nection cable please make sure that the connectors...

Страница 33: ...ES EBU The XLR connectors are wired according to AES3 1992 1 GND shield 2 Signal 3 Signal AES EBU and SPDIF are biphase modulated signals therefore polarity doesn t matter Pins 2 and 3 are neither hot nor cold they carry the same signal But as AES3 uses a balanced trans mission they are inverted in polarity RS 232 The 9 pin D Sub Connector is wired according to industry standard Signal In Rx Out T...

Страница 34: ...ta rate and hence twice the sample rate A stereo signal subsequently requires two AES EBU ports The Double Wire method is an industry standard today however it has a number of different names like Dual AES Double Wide Dual Line and Wide Wire The AES3 specification uses the uncommon term Single channel double sampling frequency mode When used with the ADAT format the term S MUX is commonly used Dou...

Страница 35: ...mple LOCK is not sufficient The above described problem can be solved elegantly by setting the ADI 6432 from internal clock to AES its internal clock will then be the clock delivered by the CD Player But in case a DAT recorder is connected as a second source there will again be a slight difference in the sample rate and therefore clicks and drop outs 2 In order to display those problems optically ...

Страница 36: ...principle because the audio information is stored in the same place in the data stream However there are blocks of additional information which are different for both standards In the table the meaning of the first byte 0 is shown for both formats The first bit already determines whether the following bits should be read as Professional or Consumer information Byte Mode Bit 0 1 2 3 4 5 6 7 0 Pro P...

Страница 37: ... coaxial cables with 75 Ohms BNC plugs they are not expensive and easy to get The optical interface is much more interesting due to its complete galvanic separation but for many users it is a mystery because very few have ever dealt with huge cabinets full of professional network technology Therefore here are some explanations regarding MADI optical The cables used are standard in computer network...

Страница 38: ...teadyClock has originally been de veloped to gain a stable and clean clock from the heavily jittery MADI data signal The embedded MADI clock suffers from about 80 ns jitter caused by the time resolution of 125 MHz within the format Common jitter values for other devices are 5 ns while a very good clock will have less than 2 ns The picture to the right shows the MADI input signal with 80 ns of jitt...

Страница 39: ...User s Guide ADI 6432 RME 39 16 Block Diagram ...

Страница 40: ... all value response data bytes Value Response After being triggered by receiving a request value command device sends a string of all value response data bytes Message type is set to 30h Set Value Sets any number of parameters nn oo can be repeated freely 17 3 MADI Input State Redundancy Mode The MADI input can be BNC or optical When the ADI 6432 enters Redundancy mode it uses the other input alth...

Страница 41: ...6 AES lock 13 16 x bit 0 3 lock 13 16 bit 4 7 0 11h 17 AES lock 17 20 x bit 0 3 lock 17 20 bit 4 7 0 12h 18 AES lock 21 24 x bit 0 3 lock 21 24 bit 4 7 0 13h 19 AES lock 25 28 x bit 0 3 lock 25 28 bit 4 7 0 14h 20 AES lock 29 32 x bit 0 3 lock 29 32 bit 4 7 0 15h 21 AES sync 1 4 x bit 0 3 sync 1 4 bit 4 7 0 16h 22 AES sync 5 8 x bit 0 3 sync 5 8 bit 4 7 0 17h 23 AES sync 9 12 x bit 0 3 sync 9 12 b...

Страница 42: ... 5 1 clock select 3 MADI 4 WCK 4 LSB 0 clock select 3 0 2 0 1 MSB 1 clock state 0 single speed 1 ds 2 qs LSB 0 LSB 0 clock state 02h 2 info byte 1 MSB 7 0 6 MADI input override 5 MADI lock 4 MADI sync 3 MADI input 96k frame 2 MADI input 64ch 1 AES input 192k LSB 0 AES input 96k 03h 3 info byte 2 MSB 7 0 6 WCK lock 5 WCK Input 192k 4 WCK Input 96k 3 0 2 0 1 0 LSB 0 0 04h 4 info byte 3 MSB 7 0 6 0 5...

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